Contact lens is a cosmetic, corrective, or therapeutic lens usually placed on the cornea of the eye. Basically Contact lenses are substitute of glasses, but these are lightweight and virtually invisible. But now, many commercial lenses are tinctured faint blue to make them more visible when immersed in cleaning and storage solutions. Some cosmetic lenses are mainly colored to alter the appearance of eye and some lenses have a thin surface treatment with UV coating which helps to reduce UV damage to eye's natural lens. Read More>>
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