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  2. Retinitis pigmentosa

Retinitis pigmentosa

Definition:

Retinitis pigmentosa (RP) is a group of inherited progressive retinal diseases characterized by progressive peripheral vision loss and night vision difficulties. RP can be divided into syndromic (40 %) and non-syndromic (60 %) forms. The most frequent forms of syndromic RP are Usher syndrome and Bardet-Biedl syndrome. Mutations in more than 50 genes are known to cause non-syndromic RP. Non-syndromic RP can be inherited in an autosomal dominant, autosomal recessive, or X-linked manner.

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Biomedical Dictionary

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