Certain Retinal Vessel Traits May Signal Balance Impairment - Review of Optometry
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In aging adults, reduced balance is associated with fall-related injuries, nursing home admission and an increased risk of death. A new study in Investigative Ophthalmology & Visual Science found that certain measurable features of the retinal vasculature were linked to a higher likelihood of worsening balance, suggesting that retinal imaging may eventually help flag patients who could benefit from earlier intervention. The study drew on data from the Canadian Longitudinal Study on Aging, a large population-based cohort of older adults. Participants underwent retinal imaging and were followed over three years for changes in balance status. The researchers evaluated retinal vessel traits using digital fundus photographs and assessed whether those baseline characteristics predicted the later development of balance impairment, defined as the inability to stand on one leg unassisted for one minute. According to the authors, this study is the first to assess this relationship.
The researchers used a deep learning algorithm called the Quantitative Analysis of Retinal Vessel Topology and Size (QUARTZ) to measure retinal vessel morphology.
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