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    Mark S. Humayun, MD, PhD

    TitleUniversity Professor of Ophthalmology
    SchoolKeck School of Medicine of USC
    DepartmentOphthalmology
    AddressHC4 6534B 1450 San Pablo Street
    Off Campus
    Los Angeles California 90033-6103
    Phone+1 323 865 3092
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      Other Positions
      TitleCornelius J. Pings Chair in Biomedical Sciences

      TitleDirector, Institute For Biomedical Therapeutics

      TitleCo Director USC Roski Eye Institute

      TitleDirector of Sensory Science Initiatives


      Collapse Overview 
      Collapse Overview
      Mark S. Humayun, MD, PhD, received his Bachelors of Science degree from Georgetown University in 1984, his Masters Doctorate from Duke University in 1989, and his PhD from the University of North Carolina, Chapel Hill in 1994. He completed his ophthalmology residency at Duke Eye Center and fellowships in both vitreoretinal and retinovascular surgery at Johns Hopkins Hospital. He stayed on as faculty at Johns Hopkins where he rose to the rank of associate professor before moving to USC in 2001.

      Dr. Humayun has devoted much of his career to clinical and scientific research in ophthalmology and bioengineering, becoming both a biomedical engineer and professor of ophthalmology. Dr. Humayun led a talented and diverse team of interdisciplinary researchers with the ultimate goal of creating the world’s first artificial retina. He assembled a team of world experts with a wide range of proficiency, including biomedical engineering, computer science, medicine, chemistry, biology and business. In clinical trials since 2007 and approved by the FDA in 2013, the Argus II retinal implant, represents the culmination of a visual restoration strategy that offers an unprecedented degree of sight to those with complete retinal blindness. He was elected to the prestigious National Academy of Medicine (NAM) and National Academy of Engineering (NAE) for his pioneering work to restore sight.

      With over 200 publications and more than 100 patents and patent applications, Dr. Humayun has received several research awards which includes the 2005 Innovator of the Year award. He was also featured as one of the top 10 inventors in Time Magazine in 2013, voted as one of the Best Doctors in America for three years, and one of the top 1% of Doctors by U.S. News & World Report.

      In 2016, Dr. Humayun received the National Medal of Technology and Innovation from President Barack Obama for his innovative work and development of the Argus II.


      Collapse Biography 
      Collapse Education and Training
      Duke University Medical SchoolMD1989
      University of North CarolinaPhD1994
      Duke Eye CenterOphthalmology Residency1993
      Johns Hopkins Wilmer Eye InstituteVitreoretinal Surgery Fellowship1995
      Collapse Awards and Honors
      1997  - 1998Richard S. Ross Clinical Scientist Award
      1997  - 1998William and Mary Grieve Scholar's Award
      2002Jules Stein Living tribute Award
      2004Senior Honor Award of the Am. Soc. Retina Specialists
      2005  - 2006Strathmore's Who's Who Award
      2005  - 2007Best Doctors of America Award
      R&D magazine2005Innovator of the Year award
      2009Best Doctors in Southern California Award
      The Retina Society2009Award of Merit in Retina Research
      2010Popular Mechanics Breakthrough Award
      Castle Connolly Medical Ltd. 2011America's Top Doctors
      U.S. World & News Report2011Top 1% of Ophthalmologists
      Pasadena Magazine2013  - 2014Top Doctors in Ophthalmology
      UIC Illinois Eye and Ear Infirmary2013Morton F. Goldberg Endowed Lecturer Medallion
      Wills Eye Institute2014Richard Ellis Award
      2016National Medal of Technology and Innovation
      2017National Academy of Inventors Fellows Medallion
      2017USC Presidential Medallion

      Collapse ORNG Applications 
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      Collapse In The News

      Collapse Bibliographic 
      Collapse Publications
      Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Researchers can login to make corrections and additions, or contact us for help.
      List All   |   Timeline
      1. Lin TC, Seiler MJ, Zhu D, Falabella P, Hinton DR, Clegg DO, Humayun M, Thomas BB. Assessment of Safety and Functional Efficacy of Stem Cell-Based Therapeutic Approaches Using Retinal Degenerative Animal Models. Stem Cells Int. 2017; 2017:9428176. PMID: 28928775.
        View in: PubMed
      2. Storey PP, Ter-Zakarian A, Philander SA, Olmos de Koo L, George M, Humayun M, Rodger DC, Ameri H. VISUAL AND ANATOMICAL OUTCOMES AFTER DIABETIC TRACTION AND TRACTION-RHEGMATOGENOUS RETINAL DETACHMENT REPAIR. Retina. 2017 Aug 08. PMID: 28796149.
        View in: PubMed
      3. Franciozi CEDS, Vangsness CT, Tibone JE, Martinez JC, Rodger D, Chou TC, Tai YC, Brant R, Wu L, Abdalla RJ, Han B, Evseenko D, Humayun M. Parylene scaffold for cartilage lesion. Biomed Microdevices. 2017 Jun; 19(2):26. PMID: 28391436.
        View in: PubMed
      4. Moysidis SN, Koulisis N, Patel VR, Kashani AH, Rao NA, Humayun M, Rodger DC. THE SECOND BLIND SPOT: SMALL RETINAL VESSEL VASCULOPATHY AFTER VACCINATION AGAINST NEISSERIA MENINGITIDIS AND YELLOW FEVER. Retin Cases Brief Rep. 2017 Winter; 11 Suppl 1:S18-S23. PMID: 27599107.
        View in: PubMed
      5. Weiland JD, Walston ST, Humayun M. Electrical Stimulation of the Retina to Produce Artificial Vision. Annu Rev Vis Sci. 2016 Oct 14; 2:273-294. PMID: 28532361.
        View in: PubMed
      6. Humayun M, de Juan E, Dagnelie G. The Bionic Eye: A Quarter Century of Retinal Prosthesis Research and Development. Ophthalmology. 2016 Oct; 123(10S):S89-S97. PMID: 27664290.
        View in: PubMed
      7. Davuluri NS, Nimmagadda K, Petrossians A, Humayun M, Weiland JD. Strategies to improve stimulation efficiency for retinal prostheses. Conf Proc IEEE Eng Med Biol Soc. 2016 Aug; 2016:3133-3138. PMID: 28324979.
        View in: PubMed
      8. da Cruz L, Dorn JD, Humayun M, Dagnelie G, Handa J, Barale PO, Sahel JA, Stanga PE, Hafezi F, Safran AB, Salzmann J, Santos A, Birch D, Spencer R, Cideciyan AV, de Juan E, Duncan JL, Eliott D, Fawzi A, Olmos de Koo LC, Ho AC, Brown G, Haller J, Regillo C, Del Priore LV, Arditi A, Greenberg RJ. Five-Year Safety and Performance Results from the Argus II Retinal Prosthesis System Clinical Trial. Ophthalmology. 2016 Oct; 123(10):2248-54. PMID: 27453256; PMCID: PMC5035591 [Available on 10/01/17].
        View in: PubMed, PubMed Central
      9. Falabella P, Stefanini FR, Lue JC, Pfister M, Reyes-Mckinley J, Koss MJ, Teixeira A, Schor P, Humayun M. INTRAOCULAR PRESSURE CHANGES DURING VITRECTOMY USING CONSTELLATION VISION SYSTEM'S INTRAOCULAR PRESSURE CONTROL FEATURE. Retina. 2016 Jul; 36(7):1275-80. PMID: 26783990.
        View in: PubMed
      10. Koss MJ, Falabella P, Stefanini FR, Pfister M, Thomas BB, Kashani AH, Brant R, Zhu D, Clegg DO, Hinton DR, Humayun M. Subretinal implantation of a monolayer of human embryonic stem cell-derived retinal pigment epithelium: a feasibility and safety study in Yucatán minipigs. Graefes Arch Clin Exp Ophthalmol. 2016 Aug; 254(8):1553-65. PMID: 27335025.
        View in: PubMed
      11. Yue L, Weiland JD, Roska B, Humayun M. Retinal stimulation strategies to restore vision: Fundamentals and systems. Prog Retin Eye Res. 2016 07; 53:21-47. PMID: 27238218.
        View in: PubMed
      12. Thomas BB, Zhu D, Zhang L, Thomas PB, Hu Y, Nazari H, Stefanini F, Falabella P, Clegg DO, Hinton DR, Humayun M. Survival and Functionality of hESC-Derived Retinal Pigment Epithelium Cells Cultured as a Monolayer on Polymer Substrates Transplanted in RCS Rats. Invest Ophthalmol Vis Sci. 2016 May 01; 57(6):2877-87. PMID: 27233037.
        View in: PubMed
      13. Brant Fernandes RA, Koss MJ, Falabella P, Stefanini FR, Maia M, Diniz B, Ribeiro R, Hu Y, Hinton D, Clegg DO, Chader G, Humayun M. An Innovative Surgical Technique for Subretinal Transplantation of Human Embryonic Stem Cell-Derived Retinal Pigmented Epithelium in Yucatan Mini Pigs: Preliminary Results. Ophthalmic Surg Lasers Imaging Retina. 2016 Apr 01; 47(4):342-51. PMID: 27065374.
        View in: PubMed
      14. Abdallah WF, Louie SG, Zhang Y, Rodgers KE, Sivok E, S diZerega G, Humayun M. NorLeu3A(1-7) Accelerates Clear Corneal Full Thickness Wound Healing. Invest Ophthalmol Vis Sci. 2016 Apr 01; 57(4):2187-94. PMID: 27116546.
        View in: PubMed
      15. Murali K, Kang D, Nazari H, Scianmarello N, Cadenas E, Tai YC, Kashani A, Humayun M. Spatial Variations in Vitreous Oxygen Consumption. PLoS One. 2016; 11(3):e0149961. PMID: 26930281; PMCID: PMC4773158.
        View in: PubMed, PubMed Central
      16. Israelsen PE, Sadda SR, Dorn JD, Humayun M, Olmos de Koo LC. OPTOMAP WIDEFIELD IMAGING OF THE ARGUS II RETINAL PROSTHESIS IN PATIENTS WITH RETINITIS PIGMENTOSA. Retin Cases Brief Rep. 2016; 10(4):382-5. PMID: 26705237.
        View in: PubMed
      17. Weitz AC, Nanduri D, Behrend MR, Gonzalez-Calle A, Greenberg RJ, Humayun M, Chow RH, Weiland JD. Improving the spatial resolution of epiretinal implants by increasing stimulus pulse duration. Sci Transl Med. 2015 Dec 16; 7(318):318ra203. PMID: 26676610; PMCID: PMC4698804 [Available on 12/16/16].
        View in: PubMed, PubMed Central
      18. DeBoer CM, Lee JK, Wheelan BP, Cable C, Shi W, Tai YC, Humayun M. Biomimetic Accommodating Intraocular Lens Using a Valved Deformable Liquid Balloon. IEEE Trans Biomed Eng. 2016 Jun; 63(6):1129-35. PMID: 26441409.
        View in: PubMed
      19. Yue L, Falabella P, Christopher P, Wuyyuru V, Dorn J, Schor P, Greenberg RJ, Weiland JD, Humayun M. Ten-Year Follow-up of a Blind Patient Chronically Implanted with Epiretinal Prosthesis Argus I. Ophthalmology. 2015 Dec; 122(12):2545-52.e1. PMID: 26386850.
        View in: PubMed
      20. Yue L, Humayun M. Monte Carlo analysis of the enhanced transcranial penetration using distributed near-infrared emitter array. J Biomed Opt. 2015 Aug; 20(8):88001. PMID: 26252627.
        View in: PubMed
      21. Ho AC, Humayun M, Dorn JD, da Cruz L, Dagnelie G, Handa J, Barale PO, Sahel JA, Stanga PE, Hafezi F, Safran AB, Salzmann J, Santos A, Birch D, Spencer R, Cideciyan AV, de Juan E, Duncan JL, Eliott D, Fawzi A, Olmos de Koo LC, Brown GC, Haller JA, Regillo CD, Del Priore LV, Arditi A, Geruschat DR, Greenberg RJ. Long-Term Results from an Epiretinal Prosthesis to Restore Sight to the Blind. Ophthalmology. 2015 Aug; 122(8):1547-54. PMID: 26162233; PMCID: PMC4516690.
        View in: PubMed, PubMed Central
      22. Nazari H, Zhang L, Zhu D, Chader GJ, Falabella P, Stefanini F, Rowland T, Clegg DO, Kashani AH, Hinton DR, Humayun M. Stem cell based therapies for age-related macular degeneration: The promises and the challenges. Prog Retin Eye Res. 2015 Sep; 48:1-39. PMID: 26113213.
        View in: PubMed
      23. Murali K, Kashani AH, Humayun M. Whole vitreous humor dissection for vitreodynamic analysis. J Vis Exp. 2015 May 24; (99):e52759. PMID: 26065393; PMCID: PMC4532330.
        View in: PubMed, PubMed Central
      24. Brant Fernandes RA, Diniz B, Falabella P, Ribeiro R, Teixeira AG, Magalhães O, Moraes N, Maia A, Farah ME, Maia M, Humayun M. Fluidics comparison between dual pneumatic and spring return high-speed vitrectomy systems. Ophthalmic Surg Lasers Imaging Retina. 2015 Jan; 46(1):68-72. PMID: 25559512.
        View in: PubMed
      25. Humayun M, Santos A, Altamirano JC, Ribeiro R, Gonzalez R, de la Rosa A, Shih J, Pang C, Jiang F, Calvillo P, Huculak J, Zimmerman J, Caffey S. Implantable MicroPump for Drug Delivery in Patients with Diabetic Macular Edema. Transl Vis Sci Technol. 2014 Oct; 3(6):5. PMID: 25653883.
        View in: PubMed
      26. Kashani AH, Lopez Jaime GR, Saati S, Martin G, Varma R, Humayun M. Noninvasive assessment of retinal vascular oxygen content among normal and diabetic human subjects: a study using hyperspectral computed tomographic imaging spectroscopy. Retina. 2014 Sep; 34(9):1854-60. PMID: 24732694; PMCID: PMC4145024.
        View in: PubMed, PubMed Central
      27. Pfister M, Lue JC, Stefanini FR, Falabella P, Dustin L, Koss MJ, Humayun M. Comparison of reaction response time between hand and foot controlled devices in simulated microsurgical testing. Biomed Res Int. 2014; 2014:769296. PMID: 25136619; PMCID: PMC4109600.
        View in: PubMed, PubMed Central
      28. Gutiérrez-Hernández JC, Caffey S, Abdallah W, Calvillo P, González R, Shih J, Brennan J, Zimmerman J, Martínez-Camarillo JC, Rodriguez AR, Varma R, Santos A, Sánchez G, Humayun M. One-Year Feasibility Study of Replenish MicroPump for Intravitreal Drug Delivery: A Pilot Study. Transl Vis Sci Technol. 2014 May; 3(4):8. PMID: 25774328.
        View in: PubMed
      29. Stefanini FR, Maia M, Falabella P, Pfister M, Niemeyer M, Kashani AH, Humayun M, Koss MJ. Profile of ocriplasmin and its potential in the treatment of vitreomacular adhesion. Clin Ophthalmol. 2014; 8:847-56. PMID: 24851038; PMCID: PMC4018320.
        View in: PubMed, PubMed Central
      30. Lu B, Tai YC, Humayun M. Microdevice-based cell therapy for age-related macular degeneration. Dev Ophthalmol. 2014; 53:155-66. PMID: 24732769.
        View in: PubMed
      31. Weiland JD, Humayun M. Retinal prosthesis. IEEE Trans Biomed Eng. 2014 May; 61(5):1412-24. PMID: 24710817; PMCID: PMC4356127.
        View in: PubMed, PubMed Central
      32. Weitz AC, Behrend MR, Ahuja AK, Christopher P, Wei J, Wuyyuru V, Patel U, Greenberg RJ, Humayun M, Chow RH, Weiland JD. Interphase gap as a means to reduce electrical stimulation thresholds for epiretinal prostheses. J Neural Eng. 2014 Feb; 11(1):016007. PMID: 24654269; PMCID: PMC3970787.
        View in: PubMed, PubMed Central
      33. Monge M, Raj M, Nazari MH, Chang HC, Zhao Y, Weiland JD, Humayun M, Tai YC, Emami A. A fully intraocular high-density self-calibrating epiretinal prosthesis. IEEE Trans Biomed Circuits Syst. 2013 Dec; 7(6):747-60. PMID: 24473540.
        View in: PubMed
      34. Chen K, Rowley AP, Weiland JD, Humayun M. Elastic properties of human posterior eye. J Biomed Mater Res A. 2014 Jun; 102(6):2001-7. PMID: 23852923.
        View in: PubMed
      35. Diniz B, Thomas P, Thomas B, Ribeiro R, Hu Y, Brant R, Ahuja A, Zhu D, Liu L, Koss M, Maia M, Chader G, Hinton DR, Humayun M. Subretinal implantation of retinal pigment epithelial cells derived from human embryonic stem cells: improved survival when implanted as a monolayer. Invest Ophthalmol Vis Sci. 2013 Jul 26; 54(7):5087-96. PMID: 23833067; PMCID: PMC3726243.
        View in: PubMed, PubMed Central
      36. Ribeiro RM, Oregon A, Diniz B, Fernandes RB, Koss MJ, Charafeddin W, Hu Y, Thomas P, Thomas BB, Maia M, Chader GJ, Hinton DR, Humayun M. In vivo detection of hESC-RPE cells via confocal near-infrared fundus reflectance. Ophthalmic Surg Lasers Imaging Retina. 2013 Jul-Aug; 44(4):380-4. PMID: 23883533.
        View in: PubMed
      37. Chen K, Lo YK, Yang Z, Weiland JD, Humayun M, Liu W. A system verification platform for high-density epiretinal prostheses. IEEE Trans Biomed Circuits Syst. 2013 Jun; 7(3):326-37. PMID: 23853332.
        View in: PubMed
      38. Ribeiro RM, Teixeira AG, Diniz B, Fernandes RB, Zhong Y, Kerns R, Humayun M. Performance analysis of ultrahigh-speed vitreous cutter system. Retina. 2013 May; 33(5):928-32. PMID: 23416511.
        View in: PubMed
      39. Diniz B, Fernandes RB, Ribeiro RM, Lue JC, Teixeira AG, Magalhães O, Maia M, Humayun M. Analysis of a 23-gauge ultra high-speed cutter with duty cycle control. Retina. 2013 May; 33(5):933-8. PMID: 23416512; PMCID: PMC3634879.
        View in: PubMed, PubMed Central
      40. da Cruz L, Coley BF, Dorn J, Merlini F, Filley E, Christopher P, Chen FK, Wuyyuru V, Sahel J, Stanga P, Humayun M, Greenberg RJ, Dagnelie G. The Argus II epiretinal prosthesis system allows letter and word reading and long-term function in patients with profound vision loss. Br J Ophthalmol. 2013 May; 97(5):632-6. PMID: 23426738; PMCID: PMC3632967.
        View in: PubMed, PubMed Central
      41. Rohan JG, Citron YR, Durrell AC, Cheruzel LE, Gray HB, Grubbs RH, Humayun M, Engisch KL, Pikov V, Chow RH. Light-triggered modulation of cellular electrical activity by ruthenium diimine nanoswitches. ACS Chem Neurosci. 2013 Apr 17; 4(4):585-93. PMID: 23419103; PMCID: PMC3629747.
        View in: PubMed, PubMed Central
      42. Alkin Z, Kashani AH, López-Jaime GR, Ruiz García H, Humayun M, Sadda SR. Quantitative analysis of retinal structures using spectral domain optical coherence tomography in normal rabbits. Curr Eye Res. 2013 Feb; 38(2):299-304. PMID: 23373715.
        View in: PubMed
      43. Weitz AC, Behrend MR, Lee NS, Klein RL, Chiodo VA, Hauswirth WW, Humayun M, Weiland JD, Chow RH. Imaging the response of the retina to electrical stimulation with genetically encoded calcium indicators. J Neurophysiol. 2013 Apr; 109(7):1979-88. PMID: 23343890; PMCID: PMC3628009.
        View in: PubMed, PubMed Central
      44. Chen R, Paeng DG, Lam KH, Zhou Q, Shung KK, Matsuoka N, Humayun M. In vivo Sonothrombolysis of Ear Marginal Vein of Rabbits Monitored with High-frequency Ultrasound Needle Transducer. J Med Biol Eng. 2013; 33(1):103-110. PMID: 25356073.
        View in: PubMed
      45. Jaime GR, Kashani AH, Saati S, Martin G, Chader G, Humayun M. Acute variations in retinal vascular oxygen content in a rabbit model of retinal venous occlusion. PLoS One. 2012; 7(11):e50179. PMID: 23185567; PMCID: PMC3502464.
        View in: PubMed, PubMed Central
      46. Abdallah WF, Olmos de Koo LC, Abdulkader MM, Barnett C, Chader GJ, Humayun M. High-resolution OCT: an innovative tool for posterior segment imaging. Ophthalmic Surg Lasers Imaging. 2012 Nov-Dec; 43(6 Suppl):S123-34. PMID: 23357319.
        View in: PubMed
      47. Diniz B, Ribeiro RM, Fernandes RB, Lue JC, Teixeira AG, Maia M, Humayun M. Fluidics in a dual pneumatic ultra high-speed vitreous cutter system. Ophthalmologica. 2013; 229(1):15-20. PMID: 23108417; PMCID: PMC3651881.
        View in: PubMed, PubMed Central
      48. Abdallah WF, Patel H, Grant EG, Diniz B, Chader GJ, Humayun M. Evaluation of ultrasound-assisted thrombolysis using custom liposomes in a model of retinal vein occlusion. Invest Ophthalmol Vis Sci. 2012 Oct 05; 53(11):6920-7. PMID: 22969076; PMCID: PMC3466072.
        View in: PubMed, PubMed Central
      49. Hu Y, Liu L, Lu B, Zhu D, Ribeiro R, Diniz B, Thomas PB, Ahuja AK, Hinton DR, Tai YC, Hikita ST, Johnson LV, Clegg DO, Thomas BB, Humayun M. A novel approach for subretinal implantation of ultrathin substrates containing stem cell-derived retinal pigment epithelium monolayer. Ophthalmic Res. 2012; 48(4):186-91. PMID: 22868580.
        View in: PubMed
      50. Lu B, Zhu D, Hinton D, Humayun M, Tai YC. Mesh-supported submicron parylene-C membranes for culturing retinal pigment epithelial cells. Biomed Microdevices. 2012 Aug; 14(4):659-67. PMID: 22391881.
        View in: PubMed
      51. Xie J, Wang GJ, Yow L, Humayun M, Weiland JD, Cela CJ, Jadvar H, Lazzi G, Dhrami-Gavazi E, Tsang SH. Preservation of retinotopic map in retinal degeneration. Exp Eye Res. 2012 May; 98:88-96. PMID: 22685713; PMCID: PMC4310463.
        View in: PubMed, PubMed Central
      52. Arana LA, Pinto AT, Chader GJ, Barbosa JD, Morales S, Moreira AT, Maia M, Humayun M. Fluorescein angiography, optical coherence tomography, and histopathologic findings in a VEGF(165) animal model of retinal angiogenesis. Graefes Arch Clin Exp Ophthalmol. 2012 Oct; 250(10):1421-8. PMID: 22427240.
        View in: PubMed
      53. Fernandes RA, Diniz B, Ribeiro R, Humayun M. Artificial vision through neuronal stimulation. Neurosci Lett. 2012 Jun 25; 519(2):122-8. PMID: 22342306.
        View in: PubMed
      54. Nanduri D, Fine I, Horsager A, Boynton GM, Humayun M, Greenberg RJ, Weiland JD. Frequency and amplitude modulation have different effects on the percepts elicited by retinal stimulation. Invest Ophthalmol Vis Sci. 2012 Jan 20; 53(1):205-14. PMID: 22110084; PMCID: PMC3292357.
        View in: PubMed, PubMed Central
      55. Weiland JD, Faraji B, Greenberg RJ, Humayun M, Shellock FG. Assessment of MRI issues for the Argus II retinal prosthesis. Magn Reson Imaging. 2012 Apr; 30(3):382-9. PMID: 22260934.
        View in: PubMed
      56. Humayun M, Dorn JD, da Cruz L, Dagnelie G, Sahel JA, Stanga PE, Cideciyan AV, Duncan JL, Eliott D, Filley E, Ho AC, Santos A, Safran AB, Arditi A, Del Priore LV, Greenberg RJ. Interim results from the international trial of Second Sight's visual prosthesis. Ophthalmology. 2012 Apr; 119(4):779-88. PMID: 22244176; PMCID: PMC3319859.
        View in: PubMed, PubMed Central
      57. Weiland JD, Cho AK, Humayun M. Retinal prostheses: current clinical results and future needs. Ophthalmology. 2011 Nov; 118(11):2227-37. PMID: 22047893.
        View in: PubMed
      58. Ray A, Chan LL, Gonzalez A, Humayun M, Weiland JD. Impedance as a method to sense proximity at the electrode-retina interface. IEEE Trans Neural Syst Rehabil Eng. 2011 Dec; 19(6):696-9. PMID: 21984523.
        View in: PubMed
      59. Kashani AH, Kirkman E, Martin G, Humayun M. Hyperspectral computed tomographic imaging spectroscopy of vascular oxygen gradients in the rabbit retina in vivo. PLoS One. 2011; 6(9):e24482. PMID: 21931729; PMCID: PMC3172231.
        View in: PubMed, PubMed Central
      60. Eng JG, Agrawal RN, Tozer KR, Ross-Cisneros FN, Dagnelie G, Greenberg RJ, Chader GJ, Weiland JD, Rao NA, Sadun AA, Humayun M. Morphometric analysis of optic nerves and retina from an end-stage retinitis pigmentosa patient with an implanted active epiretinal array. Invest Ophthalmol Vis Sci. 2011 Jun 28; 52(7):4610-6. PMID: 21296811; PMCID: PMC3175977.
        View in: PubMed, PubMed Central
      61. Behrend MR, Ahuja AK, Humayun M, Chow RH, Weiland JD. Resolution of the epiretinal prosthesis is not limited by electrode size. IEEE Trans Neural Syst Rehabil Eng. 2011 Aug; 19(4):436-42. PMID: 21511569; PMCID: PMC3356684.
        View in: PubMed, PubMed Central
      62. Chan LL, Lee EJ, Humayun M, Weiland JD. Both electrical stimulation thresholds and SMI-32-immunoreactive retinal ganglion cell density correlate with age in S334ter line 3 rat retina. J Neurophysiol. 2011 Jun; 105(6):2687-97. PMID: 21411561.
        View in: PubMed
      63. Abdallah W, Ameri H, Barron E, Chader GJ, Greenbaum E, Hinton DR, Humayun M. Vitreal oxygenation in retinal ischemia reperfusion. Invest Ophthalmol Vis Sci. 2011 Feb; 52(2):1035-42. PMID: 21051734; PMCID: PMC3053094.
        View in: PubMed, PubMed Central
      64. Matsuoka N, Teixeira A, Lue JC, Fang S, Kerns R, Bhadri P, Humayun M. Performance analysis of millennium vitreous enhancer™ system. Ophthalmic Surg Lasers Imaging. 2011 Mar-Apr; 42(2):162-7. PMID: 21210579.
        View in: PubMed
      65. Xie J, Wang GJ, Yow L, J Cela C, Humayun M, Weiland JD, Lazzi G, Jadvar H. Modeling and percept of transcorneal electrical stimulation in humans. IEEE Trans Biomed Eng. 2011 Jul; 58(7):1932-9. PMID: 20952323.
        View in: PubMed
      66. Lima LH, Deboer C, McCormick M, Kerns R, Bhadri P, Humayun M. A new dual port cutter system for vitrectomy surgery. Retina. 2010 Oct; 30(9):1515-9. PMID: 20924265.
        View in: PubMed
      67. Teixeira A, Chong L, Matsuoka N, Rowley A, Lue JC, McCormick M, Kerns R, Humayun M. Novel method to quantify traction in a vitrectomy procedure. Br J Ophthalmol. 2010 Sep; 94(9):1226-9. PMID: 20538657.
        View in: PubMed
      68. Saati S, Lo R, Li PY, Meng E, Varma R, Humayun M. Mini drug pump for ophthalmic use. Curr Eye Res. 2010 Mar; 35(3):192-201. PMID: 20373877; PMCID: PMC2888264.
        View in: PubMed, PubMed Central
      69. Teixeira A, Chong L, Matsuoka N, Arana L, Lue JC, McCormick M, Kerns R, Bhadri P, Humayun M. An experimental protocol of the model to quantify traction applied to the retina by vitreous cutters. Invest Ophthalmol Vis Sci. 2010 Aug; 51(8):4181-6. PMID: 20181834.
        View in: PubMed
      70. Teixeira A, Chong LP, Matsuoka N, Arana L, Kerns R, Bhadri P, Humayun M. Vitreoretinal traction created by conventional cutters during vitrectomy. Ophthalmology. 2010 Jul; 117(7):1387-92.e2. PMID: 20176400.
        View in: PubMed
      71. Matsuoka N, Paeng DG, Chen R, Ameri H, Abdallah W, Zhou Q, Fawzi A, Shung KK, Humayun M. Ultrasonic Doppler measurements of blood flow velocity of rabbit retinal vessels using a 45-MHz needle transducer. Graefes Arch Clin Exp Ophthalmol. 2010 May; 248(5):675-80. PMID: 20162299; PMCID: PMC2847001.
        View in: PubMed, PubMed Central
      72. Saati S, Lo R, Li PY, Meng E, Varma R, Humayun M. Mini drug pump for ophthalmic use. Trans Am Ophthalmol Soc. 2009 Dec; 107:60-70. PMID: 20126483; PMCID: PMC2814560.
        View in: PubMed, PubMed Central
      73. Abdallah W, Fawzi A, Patel H, Dagliyan G, Matsuoka N, Grant E, Humayun M. Blood velocity measurement in the posterior segment of the rabbit eye using combined spectral Doppler and power Doppler ultrasound. Graefes Arch Clin Exp Ophthalmol. 2010 Jan; 248(1):93-101. PMID: 19802630; PMCID: PMC2895147.
        View in: PubMed, PubMed Central
      74. Huang CC, Chen R, Tsui PH, Zhou Q, Humayun M, Shung KK. Measurements of attenuation coefficient for evaluating the hardness of a cataract lens by a high-frequency ultrasonic needle transducer. Phys Med Biol. 2009 Oct 07; 54(19):5981-94. PMID: 19759408; PMCID: PMC2843554.
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      75. Tunc M, Yildirim U, Yuksel H, Cheng X, Humayun M, Ratner B. Conjunctival impression cytology by using a thermosensitive adhesive: polymerized N-isopropyl acrylamide. Cornea. 2009 Aug; 28(7):770-3. PMID: 19574910.
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      76. Saati S, Agrawal RN, Louie S, Chader GJ, Humayun M. Effect of multiple injections of small divided doses vs single injection of intravitreal bevacizumab on retinal neovascular model in rabbits. Graefes Arch Clin Exp Ophthalmol. 2010 Apr; 248(4):457-66. PMID: 19644699; PMCID: PMC2885282.
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      77. Greenwald SH, Horsager A, Humayun M, Greenberg RJ, McMahon MJ, Fine I. Brightness as a function of current amplitude in human retinal electrical stimulation. Invest Ophthalmol Vis Sci. 2009 Nov; 50(11):5017-25. PMID: 19608533; PMCID: PMC2798064.
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      78. Ameri H, Ratanapakorn T, Ufer S, Eckhardt H, Humayun M, Weiland JD. Toward a wide-field retinal prosthesis. J Neural Eng. 2009 Jun; 6(3):035002. PMID: 19458405; PMCID: PMC2861858.
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      79. Lo R, Li PY, Saati S, Agrawal RN, Humayun M, Meng E. A passive MEMS drug delivery pump for treatment of ocular diseases. Biomed Microdevices. 2009 Oct; 11(5):959-70. PMID: 19396548.
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      80. Caspi A, Dorn JD, McClure KH, Humayun M, Greenberg RJ, McMahon MJ. Feasibility study of a retinal prosthesis: spatial vision with a 16-electrode implant. Arch Ophthalmol. 2009 Apr; 127(4):398-401. PMID: 19365014.
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      81. Greenbaum E, Humayun M, Sanders CA, Close D, O'Neill HM, Evans BR. Metabolic prosthesis for oxygenation of ischemic tissue. IEEE Trans Biomed Eng. 2009 Feb; 56(2):528-31. PMID: 19304479.
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      82. Paeng DG, Chang JH, Chen R, Humayun M, Shung KK. Feasibility of rotational scan ultrasound imaging by an angled high frequency transducer for the posterior segment of the eye. IEEE Trans Ultrason Ferroelectr Freq Control. 2009 Mar; 56(3):676-80. PMID: 19411226; PMCID: PMC2729172.
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      83. Behrend MR, Ahuja AK, Humayun M, Weiland JD, Chow RH. Selective labeling of retinal ganglion cells with calcium indicators by retrograde loading in vitro. J Neurosci Methods. 2009 May 15; 179(2):166-72. PMID: 19428523; PMCID: PMC3345189.
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      84. Parikh NJ, McIntosh BP, Tanguay AR, Humayun M, Weiland JD. Biomimetic image processing for retinal prostheses: peripheral saliency cues. Conf Proc IEEE Eng Med Biol Soc. 2009; 2009:4569-72. PMID: 19963840.
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      85. Humayun M, Dorn JD, Ahuja AK, Caspi A, Filley E, Dagnelie G, Salzmann J, Santos A, Duncan J, daCruz L, Mohand-Said S, Eliott D, McMahon MJ, Greenberg RJ. Preliminary 6 month results from the Argus II epiretinal prosthesis feasibility study. Conf Proc IEEE Eng Med Biol Soc. 2009; 2009:4566-8. PMID: 19963839; PMCID: PMC3337704.
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      86. Weiland JD, Humayun M, Eckhardt H, Ufer S, Laude L, Basinger B, Tai YC. A comparison of retinal prosthesis electrode array substrate materials. Conf Proc IEEE Eng Med Biol Soc. 2009; 2009:4140-3. PMID: 19963811.
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      87. Chader GJ, Weiland J, Humayun M. Artificial vision: needs, functioning, and testing of a retinal electronic prosthesis. Prog Brain Res. 2009; 175:317-32. PMID: 19660665.
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      88. Magalhaes O, Chong L, DeBoer C, Bhadri P, Kerns R, Barnes A, Fang S, Schor P, Humayun M. Guillotine performance: duty cycle analysis of vitrectomy systems. Retin Cases Brief Rep. 2009; 3(1):64-7. PMID: 25390843.
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      89. Horsager A, Greenwald SH, Weiland JD, Humayun M, Greenberg RJ, McMahon MJ, Boynton GM, Fine I. Predicting visual sensitivity in retinal prosthesis patients. Invest Ophthalmol Vis Sci. 2009 Apr; 50(4):1483-91. PMID: 19098313; PMCID: PMC2729061.
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      90. Ray A, Colodetti L, Weiland JD, Hinton DR, Humayun M, Lee EJ. Immunocytochemical analysis of retinal neurons under electrical stimulation. Brain Res. 2009 Feb 19; 1255:89-97. PMID: 19103179; PMCID: PMC2736682.
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      91. Tunc M, Humayun M, Cheng X, Ratner BD. A reversible thermosensitive adhesive for retinal implants: in vivo experience with plasma-deposited poly(N-isopropyl acrylamide). Retina. 2008 Oct; 28(9):1338-43. PMID: 19430393.
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      92. DeBoer C, Fang S, Lima LH, McCormick M, Bhadri P, Kerns R, Humayun M. Port geometry and its influence on vitrectomy. Retina. 2008 Oct; 28(8):1061-7. PMID: 18779711.
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      93. Ameri H, Ratanapakorn T, Rao NA, Chader GJ, Humayun M. Natural course of experimental retinal vein occlusion in rabbit; arterial occlusion following venous photothrombosis. Graefes Arch Clin Exp Ophthalmol. 2008 Oct; 246(10):1429-39. PMID: 18642023.
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      94. de Balthasar C, Patel S, Roy A, Freda R, Greenwald S, Horsager A, Mahadevappa M, Yanai D, McMahon MJ, Humayun M, Greenberg RJ, Weiland JD, Fine I. Factors affecting perceptual thresholds in epiretinal prostheses. Invest Ophthalmol Vis Sci. 2008 Jun; 49(6):2303-14. PMID: 18515576; PMCID: PMC2517253.
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      95. Ahuja AK, Behrend MR, Kuroda M, Humayun M, Weiland JD. An in vitro model of a retinal prosthesis. IEEE Trans Biomed Eng. 2008 Jun; 55(6):1744-53. PMID: 18714839; PMCID: PMC3345190.
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      96. Lo R, Li PY, Saati S, Agrawal R, Humayun M, Meng E. A refillable microfabricated drug delivery device for treatment of ocular diseases. Lab Chip. 2008 Jul; 8(7):1027-30. PMID: 18584074.
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      97. Lim TH, Humayun M, Yoon YH, Kwon YH, Kim JG. The efficacy of retrobulbar block anesthesia only in pars plana vitrectomy and transconjunctival sutureless vitrectomy. Ophthalmic Surg Lasers Imaging. 2008 May-Jun; 39(3):191-5. PMID: 18556938.
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      98. Ahuja AK, Behrend MR, Whalen JJ, Humayun M, Weiland JD. The dependence of spectral impedance on disc microelectrode radius. IEEE Trans Biomed Eng. 2008 Apr; 55(4):1457-60. PMID: 18390340; PMCID: PMC3345187.
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      99. Han S, Sarunic MV, Wu J, Humayun M, Yang C. Handheld forward-imaging needle endoscope for ophthalmic optical coherence tomography inspection. J Biomed Opt. 2008 Mar-Apr; 13(2):020505. PMID: 18465947.
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      100. Ameri H, Kim JG, Ratanapakorn T, Chader GJ, Humayun M. Intravitreal and subretinal injection of tissue plasminogen activator (tPA) in the treatment of experimentally created retinal vein occlusion in rabbits. Retina. 2008 Feb; 28(2):350-5. PMID: 18301042.
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      101. Magalhaes O, Chong L, DeBoer C, Bhadri P, Kerns R, Barnes A, Fang S, Humayun M. Vitreous dynamics: vitreous flow analysis in 20-, 23-, and 25-gauge cutters. Retina. 2008 Feb; 28(2):236-41. PMID: 18301028.
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      102. Ameri H, Chader GJ, Kim JG, Sadda SR, Rao NA, Humayun M. The effects of intravitreous bevacizumab on retinal neovascular membrane and normal capillaries in rabbits. Invest Ophthalmol Vis Sci. 2007 Dec; 48(12):5708-15. PMID: 18055823.
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      103. Fang SY, DeBoer CM, Humayun M. Performance analysis of new-generation vitreous cutters. Graefes Arch Clin Exp Ophthalmol. 2008 Jan; 246(1):61-7. PMID: 17876598.
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      104. Tunc M, Cheng X, Ratner BD, Meng E, Humayun M. Reversible thermosensitive glue for retinal implants. Retina. 2007 Sep; 27(7):938-42. PMID: 17891020.
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      105. Huang CC, Zhou Q, Ameri H, Wu DW, Sun L, Wang SH, Humayun M, Shung KK. Determining the acoustic properties of the lens using a high-frequency ultrasonic needle transducer. Ultrasound Med Biol. 2007 Dec; 33(12):1971-7. PMID: 17673358.
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      106. Huang CC, Ameri H, Deboer C, Rowley AP, Xu X, Sun L, Wang SH, Humayun M, Shung KK. Evaluation of lens hardness in cataract surgery using high-frequency ultrasonic parameters in vitro. Ultrasound Med Biol. 2007 Oct; 33(10):1609-16. PMID: 17618041.
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      107. Bhadri PR, Rowley AP, Khurana RN, Deboer CM, Kerns RM, Chong LP, Humayun M. Evaluation of a stereoscopic camera-based three-dimensional viewing workstation for ophthalmic surgery. Am J Ophthalmol. 2007 May; 143(5):891-2. PMID: 17452184.
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      108. Yanai D, Weiland JD, Mahadevappa M, Greenberg RJ, Fine I, Humayun M. Visual performance using a retinal prosthesis in three subjects with retinitis pigmentosa. Am J Ophthalmol. 2007 May; 143(5):820-827. PMID: 17362868.
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      109. Zhou Q, Xu X, Gottlieb EJ, Sun L, Cannata JM, Ameri H, Humayun M, Han P, Shung KK. PMN-PT single crystal, high-frequency ultrasonic needle transducers for pulsed-wave Doppler application. IEEE Trans Ultrason Ferroelectr Freq Control. 2007 Mar; 54(3):668-75. PMID: 17375836.
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      110. Dagnelie G, Keane P, Narla V, Yang L, Weiland J, Humayun M. Real and virtual mobility performance in simulated prosthetic vision. J Neural Eng. 2007 Mar; 4(1):S92-101. PMID: 17325421.
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      111. Shah S, Hines A, Zhou D, Greenberg RJ, Humayun M, Weiland JD. Electrical properties of retinal-electrode interface. J Neural Eng. 2007 Mar; 4(1):S24-9. PMID: 17325413.
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      112. Javaheri M, Fujii GY, Rossi JV, Panzan CQ, Yanai D, Lakhanpal RR, Maia M, Khurana RN, Guven D, De Juan E, Humayun M. Effect of oxygenated intraocular irrigation solutions on the electroretinogram after vitrectomy. Retina. 2007 Jan; 27(1):87-94. PMID: 17218921.
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      113. Khurana RN, Chang YH, Barnes AC, Fujii GY, De Juan E, Humayun M. A novel method to oxygenate intraocular irrigation fluids with an in-line oxygenator. Retina. 2007 Jan; 27(1):83-6. PMID: 17218920.
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      114. Johnson WR, Wilson DW, Fink W, Humayun M, Bearman G. Snapshot hyperspectral imaging in ophthalmology. J Biomed Opt. 2007 Jan-Feb; 12(1):014036. PMID: 17343511.
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      115. Shyu JS, Maia M, Weiland JD, Ohearn T, Chen SJ, Margalit E, Suzuki S, Humayun M. Electrical stimulation in isolated rabbit retina. IEEE Trans Neural Syst Rehabil Eng. 2006 Sep; 14(3):290-8. PMID: 17009488.
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      116. Weiland JD, Humayun M. Intraocular retinal prosthesis. Big steps to sight restoration. IEEE Eng Med Biol Mag. 2006 Sep-Oct; 25(5):60-6. PMID: 17020200.
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      117. Ratanapakorn T, Ameri H, Humayun M, Weiland JD. Enucleated eye model for intraocular retinal prosthesis implantation. Ophthalmic Surg Lasers Imaging. 2006 Jul-Aug; 37(4):341-3. PMID: 16898401.
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      118. O'Hearn TM, Sadda SR, Weiland JD, Maia M, Margalit E, Humayun M. Electrical stimulation in normal and retinal degeneration (rd1) isolated mouse retina. Vision Res. 2006 Oct; 46(19):3198-204. PMID: 16723150.
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      119. Xiao X, Wang J, Liu C, Carlisle JA, Mech B, Greenberg R, Guven D, Freda R, Humayun M, Weiland J, Auciello O. In vitro and in vivo evaluation of ultrananocrystalline diamond for coating of implantable retinal microchips. J Biomed Mater Res B Appl Biomater. 2006 May; 77(2):273-81. PMID: 16245292.
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      120. Dagnelie G, Barnett D, Humayun M, Thompson RW. Paragraph text reading using a pixelized prosthetic vision simulator: parameter dependence and task learning in free-viewing conditions. Invest Ophthalmol Vis Sci. 2006 Mar; 47(3):1241-50. PMID: 16505065.
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      121. Javaheri M, Hahn DS, Lakhanpal RR, Weiland JD, Humayun M. Retinal prostheses for the blind. Ann Acad Med Singapore. 2006 Mar; 35(3):137-44. PMID: 16625261.
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      122. Lim JI, Walonker AF, Levin L, Mahmoud M, Sadda S, Flaxel CJ, Humayun M, deJuan E, Labree L. One-year results of a pilot study using oral 13-cis retinoic acid as a treatment for subfoveal predominantly occult choroidal neovascularization in patients with age-related macular degeneration. Retina. 2006 Mar; 26(3):314-21. PMID: 16508432.
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      123. Wang G, Liu W, Sivaprakasam M, Zhou M, Weiland JD, Humayun M. A dual band wireless power and data telemetry for retinal prosthesis. Conf Proc IEEE Eng Med Biol Soc. 2006; 1:4392-5. PMID: 17946243.
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      124. Chen SJ, Mahadevappa M, Roizenblatt R, Weiland J, Humayun M. Neural responses elicited by electrical stimulation of the retina. Trans Am Ophthalmol Soc. 2006; 104:252-9. PMID: 17471346; PMCID: PMC1809925.
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      125. Zhou M, Liu W, Wang G, Sivaprakasam M, Yuce MR, Weiland JD, Humayun M. A transcutaneous data telemetry system tolerant to power telemetry interference. Conf Proc IEEE Eng Med Biol Soc. 2006; 1:5884-7. PMID: 17946345.
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      126. Roizenblatt R, Weiland JD, Carcieri S, Qiu G, Behrend M, Humayun M, Chow RH. Nanobiolistic delivery of indicators to the living mouse retina. J Neurosci Methods. 2006 May 15; 153(1):154-61. PMID: 16290199.
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      127. Weiland JD, Humayun M. A biomimetic retinal stimulating array. IEEE Eng Med Biol Mag. 2005 Sep-Oct; 24(5):14-21. PMID: 16248113.
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      128. Weiland JD, Humayun M. Old idea, new technology. IEEE Eng Med Biol Mag. 2005 Sep-Oct; 24(5):12-3. PMID: 16248112.
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      129. Khurana RN, Fujii GY, Walsh AC, Humayun M, de Juan E, Sadda SR. Rapid recurrence of geographic atrophy after full macular translocation for nonexudative age-related macular degeneration. Ophthalmology. 2005 Sep; 112(9):1586-91. PMID: 16051364.
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      130. Güven D, Weiland JD, Maghribi M, Davidson JC, Mahadevappa M, Roizenblatt R, Qiu G, Krulevitz P, Wang X, Labree L, Humayun M. Implantation of an inactive epiretinal poly(dimethyl siloxane) electrode array in dogs. Exp Eye Res. 2006 Jan; 82(1):81-90. PMID: 16125701.
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      131. Mahadevappa M, Weiland JD, Yanai D, Fine I, Greenberg RJ, Humayun M. Perceptual thresholds and electrode impedance in three retinal prosthesis subjects. IEEE Trans Neural Syst Rehabil Eng. 2005 Jun; 13(2):201-6. PMID: 16003900.
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      132. Lakhanpal RR, Humayun M, de Juan E, Lim JI, Chong LP, Chang TS, Javaheri M, Fujii GY, Barnes AC, Alexandrou TJ. Outcomes of 140 consecutive cases of 25-gauge transconjunctival surgery for posterior segment disease. Ophthalmology. 2005 May; 112(5):817-24. PMID: 15878061.
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      133. Lakhanpal RR, Javaheri M, Ruiz-Garcia H, De Juan E, Humayun M. Transvitreal limited arteriovenous-crossing manipulation without vitrectomy for complicated branch retinal vein occlusion using 25-gauge instrumentation. Retina. 2005 Apr-May; 25(3):272-80. PMID: 15805902.
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      134. Yu DY, Cringle SJ, Su E, Yu PK, Humayun M, Dorin G. Laser-induced changes in intraretinal oxygen distribution in pigmented rabbits. Invest Ophthalmol Vis Sci. 2005 Mar; 46(3):988-99. PMID: 15728557.
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      135. Güven D, Weiland JD, Fujii G, Mech BV, Mahadevappa M, Greenberg R, Roizenblatt R, Qiu G, Labree L, Wang X, Hinton D, Humayun M. Long-term stimulation by active epiretinal implants in normal and RCD1 dogs. J Neural Eng. 2005 Mar; 2(1):S65-73. PMID: 15876657.
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      136. Wang G, Liu W, Sivaprakasam M, Zhou M, Weiland J, Humayun M. A wireless phase shift keying transmitter with q-independent phase transition time. Conf Proc IEEE Eng Med Biol Soc. 2005; 5:5238-41. PMID: 17281430.
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      137. Sivaprakasam M, Liu W, Wang G, Weiland J, Humayun M. A programmable discharge circuitry with current limiting capability for a retinal prosthesis. Conf Proc IEEE Eng Med Biol Soc. 2005; 5:5234-7. PMID: 17281429.
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      138. Weiland J, Fink W, Humayun M, Liu W, Rodger D, Tai YC, Tarbell M. Progress towards a high-resolution retinal prosthesis. Conf Proc IEEE Eng Med Biol Soc. 2005; 7:7373-5. PMID: 17281984.
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      139. Weiland JD, Liu W, Humayun M. Retinal prosthesis. Annu Rev Biomed Eng. 2005; 7:361-401. PMID: 16004575.
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      140. Panzan CQ, Güven D, Weiland JD, Lakhanpal RR, Javaheri M, de Juan E, Humayun M. Retinal thickness in normal and RCD1 dogs using optical coherence tomography. Ophthalmic Surg Lasers Imaging. 2004 Nov-Dec; 35(6):485-93. PMID: 15580972.
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      141. Tameesh MK, Lakhanpal RR, Fujii GY, Javaheri M, Shelley TH, D'Anna S, Barnes AC, Margalit E, Farah M, De Juan E, Humayun M. Retinal vein cannulation with prolonged infusion of tissue plasminogen activator (t-PA) for the treatment of experimental retinal vein occlusion in dogs. Am J Ophthalmol. 2004 Nov; 138(5):829-39. PMID: 15531319.
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      142. Ng EW, Fujii GY, Au Eong KG, Reynolds SM, Melia BM, Kouzis AC, Humayun M, de Juan E, Pieramici DJ. Macular translocation in patients with recurrent subfoveal choroidal neovascularization after laser photocoagulation for nonsubfoveal choroidal neovascularization. Ophthalmology. 2004 Oct; 111(10):1889-93. PMID: 15465552.
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      143. Johnson L, Perkins FK, O'Hearn T, Skeath P, Merritt C, Frieble J, Sadda S, Humayun M, Scribner D. Electrical stimulation of isolated retina with microwire glass electrodes. J Neurosci Methods. 2004 Aug 30; 137(2):265-73. PMID: 15262070.
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      144. Gosalia K, Weiland J, Humayun M, Lazzi G. Thermal elevation in the human eye and head due to the operation of a retinal prosthesis. IEEE Trans Biomed Eng. 2004 Aug; 51(8):1469-77. PMID: 15311834.
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      145. Suzuki S, Humayun M, Weiland JD, Chen SJ, Margalit E, Piyathaisere DV, de Juan E. Comparison of electrical stimulation thresholds in normal and retinal degenerated mouse retina. Jpn J Ophthalmol. 2004 Jul-Aug; 48(4):345-9. PMID: 15295659.
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      146. Güven D, Panzan CQ, Humayun M, De Juan E. Use of rotational sutures for limited retinal translocation: a new technique for superior limited macular translocation. Am J Ophthalmol. 2004 May; 137(5):901-7. PMID: 15126156.
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      147. Duh EJ, Yang HS, Haller JA, De Juan E, Humayun M, Gehlbach P, Melia M, Pieramici D, Harlan JB, Campochiaro PA, Zack DJ. Vitreous levels of pigment epithelium-derived factor and vascular endothelial growth factor: implications for ocular angiogenesis. Am J Ophthalmol. 2004 Apr; 137(4):668-74. PMID: 15059706.
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      148. Rossi JV, Verma D, Fujii GY, Lakhanpal RR, Wu SL, Humayun M, De Juan E. Virtual vitreoretinal surgical simulator as a training tool. Retina. 2004 Apr; 24(2):231-6. PMID: 15097883.
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      149. Maia M, Margalit E, Lakhanpal R, Tso MO, Grebe R, Torres G, Au Eong KG, Farah ME, Fujii GY, Weiland J, de Juan E, D'Anna SA, Humayun M. Effects of intravitreal indocyanine green injection in rabbits. Retina. 2004 Feb; 24(1):69-79. PMID: 15076947.
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      150. Maia M, Haller JA, Pieramici DJ, Margalit E, de Juan E, Farah ME, Lakhanpal RR, Au Eong KG, Guven D, Humayun M. Retinal pigment epithelial abnormalities after internal limiting membrane peeling guided by indocyanine green staining. Retina. 2004 Feb; 24(1):157-60. PMID: 15076960.
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      151. Maia M, Kellner L, de Juan E, Smith R, Farah ME, Margalit E, Lakhanpal RR, Grebe L, Au Eong KG, Humayun M. Effects of indocyanine green injection on the retinal surface and into the subretinal space in rabbits. Retina. 2004 Feb; 24(1):80-91. PMID: 15076948.
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      152. Parikh NJ, Weiland JD, Humayun M, Shah SS, Mohile GS. DSP based image processing for retinal prosthesis. Conf Proc IEEE Eng Med Biol Soc. 2004; 2:1475-8. PMID: 17271974.
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      153. Shah S, Chu A, Zhou D, Greenberg R, Guven D, Humayun M, Weiland JD. Intraocular impedance as a function of the position in the eye, electrode material and electrode size. Conf Proc IEEE Eng Med Biol Soc. 2004; 6:4169-71. PMID: 17271221.
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      154. Kazemi M, Basham E, Sivaprakasam M, Wang G, Rodger D, Weiland J, Tai YC, Liu W, Humayun M. A test microchip for evaluation of hermetic packaging technology for biomedical prosthetic implants. Conf Proc IEEE Eng Med Biol Soc. 2004; 6:4093-5. PMID: 17271200.
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      155. Fujii GY, De Juan E, Humayun M, Sunness JS, Chang TS, Rossi JV. Characteristics of visual loss by scanning laser ophthalmoscope microperimetry in eyes with subfoveal choroidal neovascularization secondary to age-related macular degeneration. Am J Ophthalmol. 2003 Dec; 136(6):1067-78. PMID: 14644217.
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      156. Weiland JD, Humayun M. Past, present, and future of artificial vision. Artif Organs. 2003 Nov; 27(11):961-2. PMID: 14616514.
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      157. Humayun M, Weiland JD, Fujii GY, Greenberg R, Williamson R, Little J, Mech B, Cimmarusti V, Van Boemel G, Dagnelie G, de Juan E. Visual perception in a blind subject with a chronic microelectronic retinal prosthesis. Vision Res. 2003 Nov; 43(24):2573-81. PMID: 13129543.
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      158. Hayes JS, Yin VT, Piyathaisere D, Weiland JD, Humayun M, Dagnelie G. Visually guided performance of simple tasks using simulated prosthetic vision. Artif Organs. 2003 Nov; 27(11):1016-28. PMID: 14616520.
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      159. Thompson RW, Barnett GD, Humayun M, Dagnelie G. Facial recognition using simulated prosthetic pixelized vision. Invest Ophthalmol Vis Sci. 2003 Nov; 44(11):5035-42. PMID: 14578432.
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      160. See RF, Humayun M, Rao NA. Bilateral neuroretinopathy with multiple retinal arterial aneurysms. Arch Ophthalmol. 2003 Aug; 121(8):1206-7. PMID: 12912706.
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      161. Lakhanpal RR, Yanai D, Weiland JD, Fujii GY, Caffey S, Greenberg RJ, de Juan E, Humayun M. Advances in the development of visual prostheses. Curr Opin Ophthalmol. 2003 Jun; 14(3):122-7. PMID: 12777929.
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      162. Kent DL, Fujii GY, Pieramici DJ, Reynolds SM, Melia M, Rossi JV, Humayun M, Caffey S, De Juan E. Angiographic characteristics in patients undergoing macular translocation for subfoveal choroidal neovascularization secondary to age-related macular degeneration. Retina. 2003 Apr; 23(2):152-8. PMID: 12707592.
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      163. Margalit E, Weiland JD, Clatterbuck RE, Fujii GY, Maia M, Tameesh M, Torres G, D'Anna SA, Desai S, Piyathaisere DV, Olivi A, de Juan E, Humayun M. Visual and electrical evoked response recorded from subdural electrodes implanted above the visual cortex in normal dogs under two methods of anesthesia. J Neurosci Methods. 2003 Mar 15; 123(2):129-37. PMID: 12606062.
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      164. Piyathaisere DV, Margalit E, Chen SJ, Shyu JS, D'Anna SA, Weiland JD, Grebe RR, Grebe L, Fujii G, Kim SY, Greenberg RJ, De Juan E, Humayun M. Heat effects on the retina. Ophthalmic Surg Lasers Imaging. 2003 Mar-Apr; 34(2):114-20. PMID: 12665226.
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      165. Fujii GY, de Juan E, Humayun M, Chang TS. Limited macular translocation for the management of subfoveal choroidal neovascularization after photodynamic therapy. Am J Ophthalmol. 2003 Jan; 135(1):109-12. PMID: 12504715.
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      166. Fujii GY, de Juan E, Humayun M. Improvements after sheathotomy for branch retinal vein occlusion documented by optical coherence tomography and scanning laser ophthalmoscope. Ophthalmic Surg Lasers Imaging. 2003 Jan-Feb; 34(1):49-52. PMID: 12570005.
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      167. Yanai D, Lakhanpal RR, Weiland JD, Mahadevappa M, Van Boemel G, Fujii GY, Greenberg R, Caffey S, de Juan E, Humayun M. The value of preoperative tests in the selection of blind patients for a permanent microelectronic implant. Trans Am Ophthalmol Soc. 2003; 101:223-8; discussion 228-30. PMID: 14971581; PMCID: PMC1358992.
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      168. Weiland JD, Anderson DJ, Humayun M. In vitro electrical properties for iridium oxide versus titanium nitride stimulating electrodes. IEEE Trans Biomed Eng. 2002 Dec; 49(12 Pt 2):1574-9. PMID: 12549739.
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      169. Fujii GY, Au Eong KG, Humayun M, de Juan E. Limited macular translocation: current concepts. Ophthalmol Clin North Am. 2002 Dec; 15(4):425-36. PMID: 12515074.
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      170. Fujii GY, De Juan E, Humayun M, Chang TS, Pieramici DJ, Barnes A, Kent D. Initial experience using the transconjunctival sutureless vitrectomy system for vitreoretinal surgery. Ophthalmology. 2002 Oct; 109(10):1814-20. PMID: 12359600.
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      171. Fujii GY, De Juan E, Humayun M, Pieramici DJ, Chang TS, Awh C, Ng E, Barnes A, Wu SL, Sommerville DN. A new 25-gauge instrument system for transconjunctival sutureless vitrectomy surgery. Ophthalmology. 2002 Oct; 109(10):1807-12; discussion 1813. PMID: 12359598.
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      172. Fujii GY, de Juan E, Sunness J, Humayun M, Pieramici DJ, Chang TS. Patient selection for macular translocation surgery using the scanning laser ophthalmoscope. Ophthalmology. 2002 Sep; 109(9):1737-44. PMID: 12208725.
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      173. Radner W, Sadda SR, Humayun M, Suzuki S, de Juan E. Increased spontaneous retinal ganglion cell activity in rd mice after neural retinal transplantation. Invest Ophthalmol Vis Sci. 2002 Sep; 43(9):3053-8. PMID: 12202529.
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      174. Margalit E, Maia M, Weiland JD, Greenberg RJ, Fujii GY, Torres G, Piyathaisere DV, O'Hearn TM, Liu W, Lazzi G, Dagnelie G, Scribner DA, de Juan E, Humayun M. Retinal prosthesis for the blind. Surv Ophthalmol. 2002 Jul-Aug; 47(4):335-56. PMID: 12161210.
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      175. Fujii GY, de Juan E, Pieramici DJ, Humayun M, Phillips S, Reynolds SM, Melia M, Schachat AP. Inferior limited macular translocation for subfoveal choroidal neovascularization secondary to age-related macular degeneration: 1-year visual outcome and recurrence report. Am J Ophthalmol. 2002 Jul; 134(1):69-74. PMID: 12095810.
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      176. An GJ, Asayama N, Humayun M, Weiland J, Cao J, Kim SY, Grebe R, de Juan E, Sadda S. Ganglion cell responses to retinal light stimulation in the absence of photoreceptor outer segments from retinal degenerate rodents. Curr Eye Res. 2002 Jan; 24(1):26-32. PMID: 12187491.
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