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Impact of early and late age-related macular degeneration on vision-specific functioning
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  • Published on:
    Insufficient refractive correction in patients with self-reported age-related macular degeneration

    I commend the authors on an excellent study looking into the stratification of impact of macular degeneration on vision-specific function in patients with early stage AMD vs. late stage AMD. I would like to report similar findings in a United States based population with data gathered from the National Health and and Nutrition Examination Survey 2007-2008 (NHANES) which is a population based cross-sectional survey that represents the non-institutionalized population of the United States.

    As the author's of this study looked at the impact of early and late ARM on vision specific functioning, I assessed a similar question using the NHANES database, specifically looking at whether patients with early and late AMD reported insufficient correction with their currently prescribed glasses or contact lenses, another measure of vision-specific functioning. After survey weighting, the sample represented a US Population of 108,719,628 people with 3.2% of participants (N=3,992) self-reporting a diagnosis of age-related macular degeneration. This represented a weighted sample of 3,479, 028 people. Of these participants reporting a diagnosis of AMD, they had a higher odds of reporting trouble seeing even with correction with glasses or contacts (OR 2.98, Confidence Interval 1.87-4.6). This relationship was held valid when controlling for age, gender, diabetes, race, self reported glaucoma, self reported cataract surgery, retinal exam evidence of retinopathy, and smoking of...

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    Conflict of Interest:
    None declared.