Home > Inherited Retinal Disease > Inherited retinal diseases: Usher syndrome Inherited Retinal Disease Inherited retinal diseases: Usher syndrome Ophthalmology 360 IRDs: Usher syndromeIn addition to retinitis pigmentosa, what is the other major symptom associated with Usher syndrome?Usher syndrome accounts for approximately what per percent of all hereditary deaf-blindness cases?There are 3 types of Usher syndrome with types 1 and 2 accounting for up to 95% of cases in the United States. In relation to vision, what is the main difference between type 1 and type 2?Which vitamin are researchers studying to determine its impact on the progression of retinal degeneration in individuals with retinitis pigmentosa and Usher syndrome type 2?IRDs: Usher syndromeIn addition to retinitis pigmentosa, what is the other major symptom associated with Usher syndrome?Usher syndrome accounts for approximately what per percent of all hereditary deaf-blindness cases?There are 3 types of Usher syndrome with types 1 and 2 accounting for up to 95% of cases in the United States. In relation to vision, what is the main difference between type 1 and type 2?Which vitamin are researchers studying to determine its impact on the progression of retinal degeneration in individuals with retinitis pigmentosa and Usher syndrome type 2? Share Related Content Retina Care 360 Quiz: Mental health risks linked to age-related eye disease Dry Eye Quiz: Understanding meibomian gland dysfunction and its management Dry Eye Quiz: Emerging Therapies in DED Cornea and External Disease Quiz: Refractive Surgery in Patients With Diabetes Neurotrophic Keratitis Quiz: Topical Insulin for Persistent Corneal Epithelial Defects Retinopathy of Prematurity Quiz: ROP Pharmacologic Strategies Share