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4Sight provides excellent support for those who want to maintain eye health and also for those seeking macular support as they age. The eye is the most susceptible organ to oxidative damage caused by light, toxins (smoke), atmospheric oxygen and abrasion. As ultraviolet and blue light pass through the retina to the photoreceptors (rods and cones) and the pigmented epithelial (PE) cells, reactive oxygen species (free radicals) are generated. The conversion of this light energy into a nerve impulse by the photoreceptors generates free radicals; therefore if there are insufficient antioxidants available to neutralize them, the eye undergoes excessive oxidative damage.
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