M
Mark S. Humayun
Researcher at University of Southern California
Publications - 653
Citations - 29453
Mark S. Humayun is an academic researcher from University of Southern California. The author has contributed to research in topics: Retina & Retinal. The author has an hindex of 84, co-authored 636 publications receiving 26997 citations. Previous affiliations of Mark S. Humayun include Lawrence Livermore National Laboratory & Duke University.
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Patent
Method of fabricating an integrated intraocular retinal prosthesis device
Yu-Chong Tai,Damien C. Rodger,Wen Li,Mark S. Humayun,James D. Weiland,Hossein Ameri,Armand R. Tanguay +6 more
TL;DR: In this paper, the authors describe a prosthesis device that includes a cable region that connects an electrode array region with a power and data management region, which includes various power and control elements.
Journal ArticleDOI
Light-triggered modulation of cellular electrical activity by ruthenium diimine nanoswitches.
Joyce G. Rohan,Joyce G. Rohan,Y. Rose Citron,Alec C. Durrell,Lionel Cheruzel,Harry B. Gray,Robert H. Grubbs,Mark S. Humayun,Kathrin L. Engisch,Victor Pikov,Robert H. Chow +10 more
TL;DR: It is shown that incorporation of RubpyC17 into the plasma membrane of neuroendocrine cells enables light-induced secretion as monitored by amperometry, and the findings point more generally to broader application of other transition metal complexes to mediate light- induced biological changes.
Proceedings ArticleDOI
Interphase gap decreases electrical stimulation threshold of retinal ganglion cells
TL;DR: The results indicate that the threshold for electrical activation of RGCs can be reduced by increasing the length of the IPG, and this effect was studied by simulating RGC behavior with a Hodgkin-Huxley-type model.
Journal ArticleDOI
Retina-electrode interface properties and vision restoration by two generations of retinal prostheses in one patient-one in each eye.
TL;DR: Evaluation of visual functions restored and feedbacks from the subject suggest that the Argus II device enables improved spatial visual ability than Argus I but adaptation to prosthetic vision did not lead to a measurable performance improvement in the standard visual function tests.
Journal ArticleDOI
A new dual port cutter system for vitrectomy surgery.
TL;DR: Some DP tips performed better than the single port tip for bulk vitrectomy, but none shaved the vitreous base more effectively and the DP cutter system has the potential to increase the flow rates depending on the size and position of the extra port.