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Updated: May 14, 2026

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

Published on: August 2, 2013

Implantable multilayer microstrip antenna for retinal prosthesis: antenna testing.

Hans Permana1, Qiang Fang, Wayne S T Rowe

  • 1School of Electrical and Computer Engineering, RMIT University, Melbourne, VIC, 3000, Australia. hans.permana@rmit.edu.au

Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference
|February 1, 2013
PubMed
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This study presents an implantable antenna for retinal prosthesis systems, crucial for treating Retinitis Pigmentosa (RP) and Age-related Macular Degeneration (AMD). The antenna showed promising results in simulations and real-world measurements.

Area of Science:

  • Biomedical Engineering
  • Implantable Devices
  • Antenna Design

Background:

  • Retinal prosthesis offers a strategic solution for Retinitis Pigmentosa (RP) and Age-related Macular Degeneration (AMD).
  • A reliable wireless link is essential for the continuous operation of retinal prosthesis systems.

Purpose of the Study:

  • To propose and validate an implantable multilayer microstrip antenna for retinal prosthesis systems.
  • To assess the antenna's performance in simulated biological environments and free space.

Main Methods:

  • Antenna design and simulation using High Frequency Structure Simulator (HFSS).
  • Modeling of surrounding materials including air and Vitreous Humor fluid.
  • Fabrication and experimental measurement of the antenna in free space.

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Implantation of Optoelectronic Devices in the Rodent Spinal Cord
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Last Updated: May 14, 2026

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

Published on: August 2, 2013

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

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Main Results:

  • Simulations predicted antenna performance in air and Vitreous Humor.
  • Measured return loss and radiation pattern closely matched simulation results.
  • A discrepancy was observed between simulated and measured antenna gain values.

Conclusions:

  • The proposed implantable antenna is suitable for retinal prosthesis applications.
  • The antenna demonstrates comparable return loss and radiation patterns to simulations.
  • Further optimization may be needed to address gain discrepancies.