Visual Prosthesis
Abstract
Electronic visual prostheses have demonstrated the ability to restore a rudimentary sense of vision to blind individuals. This review paper will highlight past and recent progress in this field as well as some technical challenges to further advancement. Retinal implants have now been tested in humans by four independent groups. Optic nerve and cortical implants have been also been evaluated in humans. The first implants have achieved remarkable results, including detection of motion and distinguishing objects from a set. To improve on these results, a number of research groups have performed simulations that predict up to 1000 individual pixels may be needed to restore significant functions such as face recognition and reading. In order to achieve a device that can stimulate the visual system in this many locations, issues of power consumption and electronic packaging must be resolved.
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Retinal prostheses require a high-density stimulator implanted on the retina, visual cortex, and optic nerve for precise mapping of image pixels collected from an external camera.
“For instance, retinal prostheses require a high-density stimulator implanted on the retina, visual cortex, and optic nerve for precise mapping of the image pixels collected from an external camera [65].”
From Active Neural Interface Circuits and Systems for Selective Control of Peripheral Nerves: A Review (2024) · cites this paper as [65]
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References 33 · Cited by 179
- Authors
- Weiland, J. D., & Humayun, M. S.
- Affiliations
- University of Southern California (US)
- Venue
- Proceedings of the IEEE
- Published
- 2008-07
- Volume
- 96
- Issue
- 7
- Pages
- 1076-1084
- ISSN
- 0018-9219 (ISSN-L)
- 1558-2256
- OpenAlex
- W4248262636
- Cited by
- 179
- References
- 33
- Citations by year
- 2026: 4 · 2025: 3 · 2024: 6 · 2023: 6 · 2022: 10 · 2021: 1 · 2020: 3 · 2019: 10 · 2018: 8 · 2017: 7 · 2016: 12 · 2015: 15 · 2014: 15 · 2013: 21 · 2012: 17
- FWCI
- 5.76
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Proceedings of the IEEE (publishedVersion)
- Proceedings of the IEEE
- Topics
- Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neural Engineering
- Life Sciences › Neuroscience › Cognitive Neuroscience › Tactile and Sensory Interactions
- Physical Sciences › Engineering › Electrical and Electronic Engineering › CCD and CMOS Imaging Sensors
- Keywords
- retinal prosthesis, cortical implants, vision restoration, blind people, motion detection, object recognition, face recognition (cognition), reading, pixel density, power consumption, electronic packaging
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