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cat diffusion; better explanation
[[File:Cataract in human eye.png|thumb|A cataract in a human [[eye]]]]
A '''cataract''' is when the [[lens (anatomy)|lens]] of the [[eye]] gets cloudy. Cataracts can cause short-sightedness ([[myopia]]), which means you cannot see things in the distance but can see things up close.
If not fixed by a [[Medical doctor|doctor]], some types of cataracts will cause [[blindness]] (which means you cannot see anything at all).
{{Biology-stub}}
[[Category:Diseases and disorders of the eye]]
A '''cataract''' is when the [[lens (anatomy)|lens]] of the [[eye]] gets cloudy. Cataracts can cause short-sightedness ([[myopia]]), which means you cannot see things in the distance but can see things up close.
If not fixed by a [[Medical doctor|doctor]], some types of cataracts will cause [[blindness]] (which means you cannot see anything at all).
{{Biology-stub}}
[[Category:Diseases and disorders of the eye]]