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Using Retinal Imaging to Study Dementia
Published on: November 6, 2017
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Using Retinal Imaging to Study Dementia
Victor T T Chan1, Tiffany H K Tso1, Fangyao Tang1
1Department of Ophthalmology and Visual Sciences, The Chinese University of Hong Kong.
Journal of Visualized Experiments : Jove
|November 21, 2017
Summary
The retina, an extension of the central nervous system, provides a unique window into dementia. Retinal imaging can reveal vascular and neuronal changes linked to dementia, aiding in diagnosis and risk assessment.
Area of Science:
- Neuroscience
- Ophthalmology
- Gerontology
Background:
- The retina shares similarities with the brain, serving as a potential diagnostic window for central nervous system (CNS) disorders.
- Dementia pathogenesis involves complex pathophysiological processes that may manifest in the retina.
- Non-invasive retinal imaging techniques offer a novel approach to study brain health.
Purpose of the Study:
- To describe a protocol for quantifying and analyzing retinal vasculature and neuronal structure.
- To investigate the association between retinal changes and dementia.
- To provide examples of retinal alterations in dementia patients.
Main Methods:
- Utilizing advanced retinal imaging techniques like fundus photography and optical coherence tomography (OCT).
- Employing semi-automated, computer-assisted analysis for quantifying retinal vascular and neuronal parameters.
- Documenting and analyzing specific retinal changes observed in individuals with dementia.
Main Results:
- Established a method for quantitative analysis of retinal neurovasculature.
- Demonstrated potential correlations between retinal metrics and dementia status.
- Illustrated characteristic retinal findings associated with dementia.
Conclusions:
- Retinal imaging provides a feasible and non-invasive method for assessing dementia-related changes.
- Quantitative analysis of the retina holds promise for dementia diagnosis and risk stratification.
- Further research is warranted to overcome current technical limitations and refine imaging protocols.
