Simulating prosthetic vision with distortions for retinal prosthesis design

M. Subramaniam, Parvathi Chundi, Abhilash Muthuraj, Eyal Margalit, Sylvie Sim

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Scopus citations

Abstract

Retinal prostheses are used to restore vision to individuals with vision impairments caused by the damaged photoreceptors in their retina. Despite the early successes, designing prostheses that can restore functional vision in general, continues to be a challenging problem due to the large number of design parameters that need to be customized for individual users. Gathering data using real patients in a timely and safe manner is also difficult. To address these problems, a virtual environment for realistically and safely simulating prosthetic vision is described. Besides supporting phosphenized rendering of images at different resolutions to normal users, and eye movement tracking, the environment also supports spatial distortions that are commonly perceived by prostheses users. A procedure to automatically generate such spatial distortions is developed. User corrections if any, are logged and compared with the original distortion values to evaluate distortion perception. Experimental results obtained in using this environment to perform various visual acuity tasks are described.

Original languageEnglish (US)
Title of host publicationSHB'12 - Proceedings of the 2012 ACM International Workshop on Smart Health and Wellbeing, Co-located with CIKM 2012
Pages57-64
Number of pages8
DOIs
StatePublished - 2012
Event2012 ACM International Workshop on Smart Health and Wellbeing, SHB 2012 - Co-located with CIKM 2012 - Maui, HI, United States
Duration: Oct 29 2012Oct 29 2012

Publication series

NameInternational Conference on Information and Knowledge Management, Proceedings

Conference

Conference2012 ACM International Workshop on Smart Health and Wellbeing, SHB 2012 - Co-located with CIKM 2012
CountryUnited States
CityMaui, HI
Period10/29/1210/29/12

Keywords

  • Data analysis
  • Simulation and modeling
  • Visual science

ASJC Scopus subject areas

  • Decision Sciences(all)
  • Business, Management and Accounting(all)

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