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PURPOSE To examine internal consistency, refine the response scale, and obtain a linear scoring system for the visual function instrument, the Daily Living Tasks Dependent on Vision (DLTV). METHODS Data were available from 186 participants with a clinical diagnosis of AMD who completed the 22-item DLTV (DLTV-22) according to four-point ordinal response(More)
PURPOSE To report the secondary outcomes in the Carotenoids with Coantioxidants in Age-Related Maculopathy trial. DESIGN Randomized double-masked placebo-controlled clinical trial (registered as ISRCTN 94557601). PARTICIPANTS Participants included 433 adults 55 years of age or older with early age-related macular degeneration (AMD) in 1 eye and(More)
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