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What are the causes of cataracts? What is a cataract? A cataract is a clouding of the eye’s natural lens, which lies behind the iris and pupil. The lens works much like the lens of a camera, focusing light onto the retina at the back of the eye so that we can see clearly. With…

The benefits of refractive surgery for certain groups of people, particularly those with physical disabilities, are obvious. Individuals who are unable to use their arms or hands to handle their glasses or contact lenses who struggle to put contact lenses on their eyes or to keep their glasses from sliding down their nose are well…