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Related Experiment Video

Updated: May 9, 2026

Techniques for Processing Eyes Implanted with a Retinal Prosthesis for Localized Histopathological Analysis: Part 2 Epiretinal Implants with Retinal Tacks
10:00

Techniques for Processing Eyes Implanted with a Retinal Prosthesis for Localized Histopathological Analysis: Part 2 Epiretinal Implants with Retinal Tacks

Published on: February 14, 2015

A system verification platform for high-density epiretinal prostheses.

Kuanfu Chen1, Yi-Kai Lo, Zhi Yang

  • 1Bioengineering Department and the California NanoSystems Institute, University of California at Los Angeles, Los Angeles, CA 90095, USA. kfchen.tw@gmail.com

IEEE Transactions on Biomedical Circuits and Systems
|July 16, 2013
PubMed
Summary
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A new platform verifies retinal prostheses, enhancing visual stimulation for improved sight restoration. This system aids in developing next-generation devices for people with vision loss due to retinal degeneration.

Area of Science:

  • Biomedical Engineering
  • Neuroscience
  • Ophthalmology

Background:

  • Retinal prostheses restore light perception in individuals with vision loss from retinal degeneration.
  • Next-generation retinal prostheses require more stimulation channels, presenting system design and verification challenges.

Purpose of the Study:

  • To present a dedicated system verification platform for the development of advanced retinal prostheses.
  • To enable end-to-end system validation and functional block characterization for high-channel-count retinal implants.

Main Methods:

  • The platform integrates primary processing, dual-band power and data telemetry, and a high-density stimulator array.
  • It employs visual inspection, software analysis, and custom software for feature testing and real-time debugging.

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Related Experiment Videos

Last Updated: May 9, 2026

Techniques for Processing Eyes Implanted with a Retinal Prosthesis for Localized Histopathological Analysis: Part 2 Epiretinal Implants with Retinal Tacks
10:00

Techniques for Processing Eyes Implanted with a Retinal Prosthesis for Localized Histopathological Analysis: Part 2 Epiretinal Implants with Retinal Tacks

Published on: February 14, 2015

Techniques for Processing Eyes Implanted With a Retinal Prosthesis for Localized Histopathological Analysis
12:01

Techniques for Processing Eyes Implanted With a Retinal Prosthesis for Localized Histopathological Analysis

Published on: August 2, 2013

Assessing Early Stage Open-Angle Glaucoma in Patients by Isolated-Check Visual Evoked Potential
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Assessing Early Stage Open-Angle Glaucoma in Patients by Isolated-Check Visual Evoked Potential

Published on: May 25, 2020

  • Two output verification methods are included for comprehensive testing.

    • Main Results:

    • The platform facilitates end-to-end system validation and individual functional block characterization.
    • Wireless telemetry characterization and visual display demonstration were successfully performed.
    • A 256-channel retinal prosthetic integrated circuit (IC) was used as a case study.

    Conclusions:

    • The developed platform effectively supports the verification and development of next-generation retinal prostheses.
    • It enables efficient debugging and testing of new features before IC realization.
    • This system advancement is crucial for improving visual stimulation quality for retinal implant recipients.