Full-field electroretinography, visual acuity and visual fields in Usher syndrome: a multicentre European study.
Katarina StinglAnne KurtenbachGesa HahnChristoph KernstockStephanie HippDitta ZoborSusanne KohlCrystel BonnetSaddek Mohand-SaïdIsabelle AudoAna FakinMarko HawlinaFrancesco TestaFrancesca SimonelliChristine PetitJose-Alain SahelEberhart ZrennerPublished in: Documenta ophthalmologica. Advances in ophthalmology (2019)
There are differences in the phenotypes of RP in USH subtypes, most visible in the progression of visual fields between USH1 and USH2. The perimetric reduction occurs earlier in USH1 than in USH2. In both subtypes, visual acuity decreases significantly with age and the ERG is not detectable already at early ages.
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