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Usher syndrome
Usher syndrome Usher syndrome is a group of inherited autosomal recessive disorders marked by hearing loss present from birth and retinitis pigmentosa.
Usher syndrome is a group of inherited autosomal recessive disorders marked by hearing loss present from birth and retinitis pigmentosa. The condition is genetically and clinically varied, with types I, II, and III differing in severity, timing of vision changes, and amount of balance-system dysfunction.