Usher syndrome is the most common condition that affects both hearing and vision. Usher syndrome is a disease that leads to hearing loss and vision loss. Usher syndrome is a rare genetic disease that affects both hearing and vision It causes deafness or hearing loss and an eye disease called retinitis. Usher syndrome is characterized by hearing loss and a gradual visual impairment The hearing loss is caused by a defective inner ear whereas the. Usher syndrome is a disorder that is passed down through families inherited A syndrome is a group of symptoms that happen together..
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