Usher Syndrome
http://healthlibrary.brighamandwomens.org/Search/85,P00474
http://en.wikipedia.org/wiki/Usher_Syndrome
Vestibular Schwannoma
http://healthlibrary.brighamandwomens.org/Search/85,P00438
http://en.wikipedia.org/wiki/Vestibular_schwannoma
Vision Disorders, Retinitis Pigmentosa
http://healthlibrary.brighamandwomens.org/Search/85,P00511
http://en.wikipedia.org/Retinitis_pigmentosa
