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Bietti crystalline dystrophy

ORPHA:41751· ICD-10 H35.5

Definition

A rare progressive autosomal recessive tapetoretinal degeneration disease, occurring in the third decade of life, characterized by small sparkling crystalline deposits in the posterior retina and corneal limbus in addition to sclerosis of the choroidal vessels and manifesting as nightblindness, decreased vision, paracentral scotoma, and, in the end stages of the disease, legal blindness.

Prevalence
Unknown
Inheritance
Autosomal recessive
Age of onset
Adolescent, Adult