New research at UAB indicates intraocular lenses (IOL) that block blue light might prove detrimental for older persons in dim lighting conditions or at night.
IOLs are implanted into patients’ eyes following cataract surgery. New blue-light blocking lenses, which are thought by some to help prevent age-related macular degeneration, are gaining in popularity compared to clear IOLs.
“Aging eyes have a decreased sensitivity to light,” said Greg Jackson, Ph.D., UAB assistant professor of ophthalmology. “Yet older eyes absorb more violet or blue light than light of longer wavelengths. IOLs that block blue light may decrease an older person’s ability to see in low light conditions, which could increase their risk for falls or motor vehicle crashes.”
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