A study published in Retina followed 57 cognitively healthy older adults over 5 years to investigate changes in retinal layer thickness. They found a gradual decrease in the ganglion cell-inner plexiform layer and outer nuclear layer thickness over time. No association was found between demographic factors and retinal thickness changes. The study highlights the importance of considering the effects of aging when exploring the relationship between cognitive disorders and retinal layer thickness changes. Eye care providers should be aware of normal thinning expectations in retinal tissues and carefully evaluate any abnormal thinning in relation to neurological conditions.
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Aging plays role in retinal layer thinning in cognitively healthy older adults
