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Updated: Mar 9, 2026

Using Retinal Imaging to Study Dementia

Using Retinal Imaging to Study Dementia

Published on: November 6, 2017

Imaging retina to study dementia and stroke.

Carol Yim-Lui Cheung¹, M Kamran Ikram², Christopher Chen³

¹Department of Ophthalmology and Visual Sciences, The Chinese University of Hong Kong, Hong Kong.

Progress in Retinal and Eye Research

|January 7, 2017

Summary

Retinal imaging offers a new, accessible window into brain health, potentially detecting early signs of dementia and stroke missed by traditional neuroimaging. This approach may enhance our understanding and diagnosis of age-related neurological diseases.

Keywords:

Alzheimer's disease Cerebrovascular disease Dementia Retinal ganglion cell Retinal imaging Retinal microvasculature Stroke

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Last Updated: Mar 9, 2026

Using Retinal Imaging to Study Dementia

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Published on: November 6, 2017

Transpupillary Two-Photon In Vivo Imaging of the Mouse Retina

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Published on: February 13, 2021

In Vivo Dynamics of Retinal Microglial Activation During Neurodegeneration: Confocal Ophthalmoscopic Imaging and Cell Morphometry in Mouse Glaucoma

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Published on: May 11, 2015

Area of Science:

Neuroscience and Ophthalmology
Medical Imaging and Diagnostics

Background:

Aging populations face rising rates of neurodegenerative (dementia) and cerebrovascular (stroke) diseases.
Current neuroimaging lacks resolution for subclinical brain changes, necessitating complementary diagnostic tools.
The retina's structural and physiological similarities to the brain make it an accessible "window" for studying brain pathology.

Purpose of the Study:

To review the application of retinal imaging in dementia and stroke research.
To explore the potential of retinal imaging as a complementary diagnostic tool for neurological diseases.
To discuss novel retinal imaging techniques and their clinical implications.

Main Methods:

Literature review of studies applying retinal imaging to dementia and stroke.
Analysis of current and emerging retinal imaging techniques (e.g., ocular fundus photography, optical coherence tomography).
Discussion of anatomical, embryological, and physiological links between the retina and brain.

Main Results:

Retinal microvasculature and ganglion cell axons are visualized non-invasively.
Retinal imaging shows promise in revealing subclinical brain changes associated with dementia and stroke.
Advances in retinal imaging offer new insights beyond conventional neuroimaging.

Conclusions:

Retinal imaging presents a viable, non-invasive method for studying brain diseases like dementia and stroke.
Further research into advanced retinal imaging techniques could establish it as a valuable diagnostic aid.
This approach may significantly improve early detection and understanding of age-related neurological conditions.