(ŭsh′ĕrz)
[Pronunciation]
[Charles Howard Usher, Brit. ophthalmologist, 1865–1942]
An autosomal recessive disorder marked by a combination of congenital sensorineural deafness and retinitis pigmentosa that results in a gradual loss of vision.
One variant of the syndrome also interferes with normal balance.

See: retinitis pigmentosa