What is a cataract ?

What is a cataract?

A cataract is a clouding of the natural lens inside your eye. As the cataract starts to form it causes the lens to stiffen and this makes focusing on near objects more difficult. This leads to people needing reading glasses, a process called Presbyopia. Later the lens starts to become even cloudier and things become more blurred; at this stage the cloudy lens is called a cataract. Though cataracts usually form very slowly they can suddenly get a lot worse. Cataracts can often be corrected with glasses initially, but when even those can no longer improve your vision sufficiently you may require surgery.
Everyone will develop a cataract which will get cloudy enough to interfere with their vision if they live long enough.

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