VisionAidVisionAid In the United States, eye health is an increasingly important concern, especially for individuals over 60 years of age. The eye is particularly vulnerable to oxidative damage, which can be caused by exposure to light, toxins (such as smoke), atmospheric oxygen, and physical abrasion. When ultraviolet and blue light pass through the retina to the photoreceptors (rods and cones) and the pigmented epithelial (PE) cells, they generate reactive