Bietti crystalline dystrophy
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Bietti crystalline dystrophy(be-et'e)
[G. B. Bietti, 20th-cent. Italian ophthalmologist]
A rare, autosomal-recessive eye disease that causes gradually worsening night blindness and peripheral vision loss. It results from the deposition of crystals in the cornea and retina, with gradual atrophy of the choroid and retina. This condition is more common in Asians than in other ethnic groups.Synonym: corneoretinal dystrophy