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Updated: Apr 17, 2026

Ultrahigh Resolution Mouse Optical Coherence Tomography to Aid Intraocular Injection in Retinal Gene Therapy Research

Ultrahigh Resolution Mouse Optical Coherence Tomography to Aid Intraocular Injection in Retinal Gene Therapy Research

Published on: November 2, 2018

Optogenetics for retinal disorders.

Bradley S Henriksen¹, Robert E Marc¹, Paul S Bernstein¹

¹Department of Ophthalmology and Visual Sciences, Moran Eye Center, University of Utah School of Medicine, Salt Lake City, Utah, USA.

Journal of Ophthalmic & Vision Research

|February 11, 2015

Summary

This summary is machine-generated.

Optogenetics uses light-sensitive opsins to restore vision in diseases like retinitis pigmentosa (RP). Challenges remain in opsin sensitivity, viral delivery, and targeting cells affected by retinal remodeling.

Keywords:

Opsins Optogenetics Retinitis Pigmentosa

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Area of Science:

Neuroscience
Ophthalmology
Biotechnology

Background:

Optogenetics offers a promising approach to restore visual function in blinding diseases such as retinitis pigmentosa (RP).
This therapy relies on light-sensitive proteins called opsins to control neuronal activity.
Successful implementation requires precise targeting of opsin genes to specific retinal cells.

Purpose of the Study:

To review the current state and challenges of optogenetic therapy for vision restoration.
To highlight advancements in opsin engineering and viral delivery methods.
To discuss the impact of retinal remodeling on therapeutic targeting and outcomes.

Main Methods:

Utilizes genetic engineering to introduce light-sensitive opsins into retinal cells.
Employs viral vectors, primarily adeno-associated virus (AAV), for gene delivery.
Investigates different injection routes (intravitreal and subretinal) for targeting specific retinal layers.

Main Results:

Viral delivery methods have shown success in preclinical models for targeting inner and outer retinal cells.
Current opsins exhibit limited sensitivity to physiological light levels, posing a bioengineering challenge.
Neural and glial remodeling in advanced RP complicates cellular target selection and therapeutic efficacy.

Conclusions:

Optogenetic therapy holds significant potential for treating blindness, particularly RP.
Overcoming challenges in opsin sensitivity, viral delivery in primates, and precise cellular targeting is crucial.
Future advancements must address neural remodeling to ensure functional visual restoration.