Determining the Contribution of Retinotopic Discrimination to Localization Performance With a Suprachoroidal Retinal Prosthesis | Zendy

Matthew A. Petoe | Zendy; Chris McCarthy | Zendy; Mohit N. Shivdasani | Zendy; Nicholas C. Sinclair | Zendy; Adele F. Scott | Zendy; Lauren N. Ayton | Zendy; Nick Barnes | Zendy; Robyn H. Guymer | Zendy; Penelope J. Allen | Zendy; Peter J. Blamey | Zendy

Open Access

Determining the Contribution of Retinotopic Discrimination to Localization Performance With a Suprachoroidal Retinal Prosthesis

Author(s) -

Matthew A. Petoe,

Chris McCarthy,

Mohit N. Shivdasani,

Nicholas C. Sinclair,

Adele F. Scott,

Lauren N. Ayton,

Nick Barnes,

Robyn H. Guymer,

Penelope J. Allen,

Peter J. Blamey

Publication year - 2017

Publication title -

investigative ophthalmology and visual science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.935

H-Index - 218

eISSN - 1552-5783

pISSN - 0146-0404

DOI - 10.1167/iovs.16-21041

Subject(s) - visual acuity , retinal , ophthalmology , visual prosthesis , prosthesis , medicine , computer vision , computer science , artificial intelligence

With a retinal prosthesis connected to a head-mounted camera, subjects can perform low vision tasks using a combination of electrode discrimination and head-directed localization. The objective of the present study was to investigate the contribution of retinotopic electrode discrimination (perception corresponding to the arrangement of the implanted electrodes with respect to their position beneath the retina) to visual performance for three recipients of a 24-channel suprachoroidal retinal implant. Proficiency in retinotopic discrimination may allow good performance with smaller head movements, and identification of this ability would be useful for targeted rehabilitation.

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