Glossary Browser

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Cataract Glossary Term

Cataracts are formed when the lens inside the eye gradually changes and becomes less transparent (clear), making vision mistier. More information at Cataract page.
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Cerebrovascular disease Glossary Term

Cerebrovascular diseases are conditions caused by problems that affect the blood supply to the brain. One of the most common types is stroke, which can cause loss of vision in one eye or on one side of the field of vision
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Charles Bonnet syndrome Glossary Term

A condition where people who have lost their sight experience hallucinations.
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Chorioretinitis (choroid retinitis) Glossary Term

A form of uveitis where the inflamation affects the back of the eye.
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Choroidal degeneration Glossary Term

Mentioned on CVI, but no reliable definition found.
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Coat's Disease Glossary Term

A progressive condition of the retinal capillaries which occurs in children and young adults, usually males.
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Coloboma Glossary Term

A gap in part of the structure of the eye, caused when a baby's eyes do not develop properly in pregnancy.
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Colour blindness Glossary Term

Effects can vary: there are extremely rare cases where people are unable to see any colour at all, but most can see as clearly as other people but are unable to fully see red, green or blue.
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Congenital cataracts Glossary Term

Cataracts which are present at birth (rather than as part of the ageing process).
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Corneal dystrophies Glossary Term

A group of eye conditions affecting the cornea.
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Corneal transplantation Glossary Term

A treatment rather than condition??
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