Our expert says:
A Cataract is an opaque-ness of the lens, in other words the lens become "cloudy". Getting stronger spectacles won't really make any difference in your vision - they have to remove the lens and replace it with another one to make it clear again.
These days a cataract operation is a local anaesthetic, day hospital procedure as they remove the old lens with laser and insert the new lens through a very small hole in the eye. After 15 minutes you sit up and you can see! My dad just had it (and he is quite scared of operations) - he says it was wonderful. Your eyes are a bit scratchy afterwards and you have to use eyedrops and keep it closed for the 1st 24 hours ( so he did his, one at a time)
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