Prosthetic eyes may not be natural, but they still require regular care to remain comfortable and attractive. If you or a family member has a prosthetic eye or may need one in the future, you'll w ...View Article
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Every normal human eye contains a crystalline lens that helps the eye to focus images, much like the lens inside a camera that brings images into focus on the film. When we are born, this lens is made up of clear proteins.
Over time with the normal aging process, and with environmental factors such as UV light, poor nutrition, or smoking, the lens becomes cloudy. This clouding of the normal crystalline lens is irreversible, and is called a cataract. As the cataract becomes more densely clouded, the lens progressively scatters more light and results in poor vision.
Cataracts can only be diagnosed through a visit to an eye doctor, where they will use a specialized instrument called a slit lamp to evaluate the eye. A slit lamp is a microscope used to examine both the inner and the outer tissues of the eye.