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.
Papers
More filters
Journal ArticleDOI
Morphometric analysis of the macula in eyes with disciform age-related macular degeneration.
Sahng Y. Kim,Srinivas R. Sadda,J. Pearlman,Mark S. Humayun,E. de Juan,B. M. Melia,William R. Green +6 more
TL;DR: It is suggested that replacement of outer nuclear function, by either retinal transplantation or implantation of the intraocular retinal prosthesis, might be a feasible therapeutic option for patients with patients with disciform age-related macular degeneration.
Journal ArticleDOI
Visually Guided Performance of Simple Tasks Using Simulated Prosthetic Vision
Jasmine S. Hayes,Vivian T. Yin,Duke V. Piyathaisere,James D. Weiland,Mark S. Humayun,Gislin Dagnelie +5 more
TL;DR: To simulate the vision levels that recipients of retinal prostheses with 4 x 4, 6 x 10, and 16 x 16 electrode arrays may experience, and to test the functionality of this vision, a set of tasks including four-choice orientation discrimination of a Sloan letter E was designed.
Patent
Optically powered and optically data-transmitting wireless intraocular pressure sensor device
Wolfgang Fink,Eui-Hyeok Yang,Yoshi Hishinuma,Choonsup Lee,Thomas George,Yu-Chong Tai,Ellis Meng,Mark S. Humayun +7 more
TL;DR: In this article, an optically powered and optically data-transmitting wireless intraocular pressure sensor device was proposed for detecting excessive intra-ocular pressure above a predetermined threshold pressure, comprising a pressure switch that is sized and configured to be placed in an eye.
Journal ArticleDOI
Feasibility Study of a Retinal Prosthesis : Spatial Vision With a 16-Electrode Implant
Avi Caspi,Jessy D. Dorn,Kelly H. Mcclure,Mark S. Humayun,Robert J. Greenberg,Matthew J. McMahon +5 more
TL;DR: Synchronized stimulation of different retinal locations with an epiretinal prosthesis implanted long-term can produce spatial vision with an acuity level determined by the distance between the electrodes.
Journal ArticleDOI
Improving the spatial resolution of epiretinal implants by increasing stimulus pulse duration.
Andrew C. Weitz,Devyani Nanduri,Matthew R. Behrend,Alejandra Gonzalez-Calle,Robert J. Greenberg,Mark S. Humayun,Robert H. Chow,James D. Weiland +7 more
TL;DR: It is found that pulse durations two orders of magnitude longer than those typically used in existing implants stimulated inner retinal neurons while avoiding activation of ganglion cell axons, thus confining retinal responses to the site of the electrode.