Synonyms: Graefe-Sjögren syndrome, Graefe-Usher syndrome and von Graefe's syndrome
The syndrome is a genetic defect causing retinitis pigmentosa and congenital deafness. There may also be vestibular dysfunction. Deafness is usually congenital but loss of visual acuity and visual fields, progressing to complete blindness, occurs in the teens and 20s in both Usher's syndrome type 1 (USH1) and Usher's syndrome type 2 (USH2).
This is a companion discussion topic for the original article at https://patient.info/doctor/usher-syndrome.htm