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CATARACT
A congenital cataract is a clouding of the lens of the eye that is present at birth. The lens of the eye is normally clear. It focuses light that comes into the eye onto the retina.
Causes
Unlike most cataracts, which occur with aging, congenital cataracts are present at birth.
Congenital cataracts are rare. In most people, no cause can be found.
Congenital cataracts often occur as part of the following birth defects:
Chondrodysplasia syndrome
Congenital rubella
Conradi-Hünermann syndrome
Down syndrome (trisomy 21)
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