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===Meaning===
[[Cataracts]] is a condition in which they [[transparent]] surface of the [[eye]] becomes cloudy.
==Key Stage 4==
===Meaning===
[[Cataracts]] is a condition in which they [[transparent]] surface of the [[eye]] becomes cloudy.
===About Cataracts===
: [[Cataracts]] can be caused by exposure to [[Ultra-violet]] [[light]].