LETTER TO THE EDITOR.

Comments on the article by Reissner et al on hearing impairment in Usher syndrome type II published in the the 'Annals of Otology, Rhinology & Laryngology' in 2002. Diagnosis of Usher syndrome type II; Comment on Reissner et al's selection of their Usher type II patients on the feature of lack of progression in hearing impairment.