In a study involving 1.7 million elderly Americans, individuals residing in counties with an average temperature exceeding 60 °F faced a significantly increased risk of severe vision problems compared to those in cooler areas. According to a recent study published in the journal Ophthalmic Epidem
A recent study suggests that older Americans residing in warmer regions have a higher risk of serious vision impairment compared to those in cooler areas. The cause behind this temperature-vision impairment correlation remains unknown, though potential reasons include UV light exposure, air pollution, and infections.
“This link between vision impairment and average county temperature is very worrying if future research determines that the association is causal,” says first author Professor Esme Fuller-Thomson, “With climate change, we are expecting a rise in global temperatures. It will be important to monitor if the prevalence of vision impairment among older adults increases in the future.” Dr.
The association between higher county temperature and serious vision impairment was stronger for individuals aged 65 to 79 compared to those 80 or older, males compared to females, and White Americans compared to Black Americans.The observed link between average temperature and severe vision impairment may be strong, but the mechanism behind this relationship remains a mystery.
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