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Color vision
- The Aging Eye (National Eye Institute) - PDF... related macular degeneration, cataract, diabetic retinopathy, glaucoma, low vision
- Your Guide to a Healthy Heart (National Heart, Lung, and Blood Institute) - PDFHow to Prevent Heart Disease/Start Here ... How to Prevent Heart Disease ... National Heart, Lung, and Blood Institute ... PDF ... From the National Institutes of Health ... heart ...