Impact of Cataract Surgery on Motor Vehicle Crash Involvement by Older Adults

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Abstract
Cataract is the leading cause of vision impairment in older adults in the United States.1 Population-based studies indicate that approximately 50% of white adults aged 65 to 74 years have cataract,2,3 with a higher prevalence of about 60% reported for African Americans.3 Cataract causes deficits in acuity and contrast sensitivity and increased disability glare.4 Older drivers with cataract are more likely to have a history of recent crash involvement compared with older drivers who are cataract-free,5 which is mediated by severe contrast sensitivity impairment secondary to increased lens opacity.6