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Cataracts are cloudy or milky patches that develop in the lens of the eye and cause impaired vision.
As the patches grow in size or number, the lens becomes increasingly opaque, which affects the ability of light to pass through it and reach the retina. These opacities usually take years to develop and the symptoms of cataract generally present in older age.
When cataracts first start to manifest, symptoms are not noticeable but with increasing age some of the symptoms may start to affect one or both of the eyes. Some examples of these symptoms include: