Cataracts are when the lens, a small transparent disc inside your eye, develops cloudy patches. Over time these patches usually become bigger causing blurry, misty vision and eventually blindness. When we're young, our lenses are usually like clear glass, allowing us to see through them.

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Mr Haq is an expert in cataract surgery, and has carried out more than 1000 procedures.

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Watch the video below where Mr Haq explains what Cataracts are and what Cataract Surgery entails in less than 3 minutes.