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Related Experiment Videos

Visual prostheses.

E M Maynard1

  • 1Center for Neural Interfaces, Department of Bioengineering, University of Utah, Salt Lake City, Utah 84112, USA. edwin.maynard@m.cc.utah.edu

Annual Review of Biomedical Engineering
|July 12, 2001
PubMed
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Artificial vision systems offer hope for the profoundly blind. Integrating bioengineering, neuroscience, and medicine advances artificial vision, with optimism for future success.

Area of Science:

  • Biomedical Engineering
  • Neuroscience
  • Ophthalmology

Background:

  • Recent advances in bioengineering and neuroprosthetics have spurred progress in artificial vision.
  • Celebrity and government interest have also contributed to the field's renaissance.

Purpose of the Study:

  • To present the physiologic principles of artificial vision.
  • To discuss contemporary approaches to restoring vision in the blind.
  • To identify challenges and future questions for vision prostheses.

Main Methods:

  • Review of underlying physiologic principles.
  • Discussion of three current artificial vision strategies.
  • Analysis of integration challenges across disciplines.

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Main Results:

  • Significant progress in individual artificial vision components.
  • The primary challenge lies in integrating components with the nervous system.
  • Success requires interdisciplinary collaboration.

Conclusions:

  • Artificial vision systems are complex, involving neuroscience, medicine, and engineering.
  • Optimism for the eventual success of artificial vision is warranted.
  • Further research is needed at the interface of these fields.