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Methodology for Biomimetic Chemical Neuromodulation of Rat Retinas with the Neurotransmitter Glutamate In Vitro
Published on: December 19, 2017
[Vision restoration with implants in retinal degenerations]
Akos Kusnyerik1, Miklós Resch, Tamás Roska
1Semmelweis Egyetem, Általános Orvostudományi Kar, Szemészeti Klinika Budapest. kusnyerik@szem1.sote.hu
Orvosi Hetilap
|March 26, 2011
Summary
Retinal prostheses offer a promising new treatment for permanent photoreceptor impairment. These implants use electrical stimulation to restore vision in degenerative retinal diseases, with clinical trials nearing completion.
Area of Science:
- Ophthalmology
- Biomedical Engineering
- Neuroscience
Context:
- Degenerative retinal diseases cause permanent photoreceptor impairment, leading to vision loss.
- Current treatments are limited, creating a need for innovative solutions.
- Advancements in microelectronics enable the development of retinal prostheses.
Purpose:
- To provide a comprehensive overview of retinal prostheses for treating degenerative retinal diseases.
- To assess the characteristics and progress of various retinal implant technologies.
- To highlight Hungarian contributions to retinal prosthesis development.
Summary:
- Retinal prostheses, including subretinal and epiretinal implants, use electrical stimulation to replace degenerated retinal elements.
- Subretinal implants achieve finer visual resolution, while epiretinal implants require shorter surgical procedures.
- These implants have demonstrated the capability to generate vision-like experiences in patients.
Impact:
- Retinal prostheses represent the earliest promising clinical treatment for permanent photoreceptor loss.
- Successful clinical trials are expected to lead to the widespread clinical application of retinal implants soon.
- This technology offers hope for restoring vision in patients with previously untreatable retinal conditions.

