Qualitative exploration of the visual function impairments and impacts on vision-dependent activities of daily living in Retinitis Pigmentosa and Leber Congenital Amaurosis: content validation of the ViSIO-PRO and ViSIO-ObsRO measures.

Abstract excerpt

BACKGROUND: Retinitis Pigmentosa (RP) and Leber Congenital Amaurosis (LCA) are rare inherited retinal degenerative disorders. The associated visual impairments have significant impacts on patients' vision-dependent activities of daily living (ADL), mobility, and distal health-related quality of life (HRQoL). To adequately capture patient and caregiver perspectives in clinical trials, patient and observer-reported...

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