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Related Concept Videos

The Retina01:32

The Retina

The retina is a layer of nervous tissue at the back of the eye that transduces light into neural signals. This process, called phototransduction, is carried out by rod and cone photoreceptor cells in the back of the retina.

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Ultrahigh Resolution Mouse Optical Coherence Tomography to Aid Intraocular Injection in Retinal Gene Therapy Research
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Optoretinography - Mechanisms and applications.

Vimal Prabhu Pandiyan1, Pawan Kumar1, Teng Liu1

  • 1Department of Ophthalmology, University of Washington School of Medicine, Seattle, WA, United States.

Handbook of Clinical Neurology
|May 30, 2026
PubMed
Summary
This summary is machine-generated.

Optoretinography (ORG) is an optical imaging technique that captures light-evoked retinal neural activity. This noninvasive method aids in early detection of photoreceptor dysfunction and disease progression in inherited retinal diseases.

Keywords:
Adaptive opticsFunctional imagingOptical coherence tomographyOptoretinographyPhotoreceptorsScanning laser ophthalmoscopy

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Area of Science:

  • Ophthalmology
  • Neuroscience
  • Biomedical Imaging

Background:

  • Optoretinography (ORG) images light-evoked neural activity in the retina.
  • Advances in imaging technology like adaptive optics and high-speed recordings enhance ORG capabilities.

Purpose of the Study:

  • To detail the methods and findings of optoretinography.
  • To highlight ORG's utility in classifying cone types and detecting retinal diseases.

Main Methods:

  • Utilizing scanning laser ophthalmoscope (SLO) or optical coherence tomography (OCT) to monitor retinal responses to visual stimuli.
  • Employing adaptive optics, high-speed recordings, and phase-resolved detection for detailed spatiotemporal analysis.

Main Results:

  • Demonstrated ORG's ability to record stimulus-evoked retinal events across various resolutions.
  • Showcased ORG's efficiency in classifying human cone types and their spectral composition.
  • Revealed early photoreceptor dysfunction in patients with inherited retinal diseases, even in clinically healthy areas.

Conclusions:

  • Optoretinography (ORG) provides a noninvasive, sensitive, and objective assay for retinal health.
  • ORG facilitates precise cone type classification and spectral analysis.
  • ORG shows significant promise for early disease detection, monitoring progression, and evaluating therapies for retinal conditions.