Washington: People who have had cataract surgery to improve their sight live longer than those who choose not to undergo the procedure, according to a new study.The research is drawn from data gathered in the Blue Mountains Eye Study, a population-based cohort study of vision and common eye diseases in an older Australian population.A total of 354 persons aged 49 years and older and diagnosed with cataract-related vision impairment - some of whom had undergone surgery and others who had not - were assessed between 1992 and 2007.
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