Observational Study to Assess Endpoint Operational Feasibility & Measurement Properties in Patients with Retinal Degeneration

Inclusion Criteria: * Diagnosis of bilateral retinitis pigmentosa, choroideremia, Stargardt macular dystrophy, geographic atrophy from age-related macular degeneration, X-linked retinoschisis or other retinal dystrophies confirmed from previous eye examination records * Best-corrected visual acuity between 20/70 and HM in at least one eye as tested with clinic-based visual acuity method * Reasonably fluent in English Exclusion Criteria: * Cognitive impairment, memory loss or dementia sufficient in severity to preclude informed consent or in the opinion of the investigator would prevent satisfactory completion of some or all of the testing. * Any circumstance that in the opinion of the investigator, would interfere with participation in, or compliance with the study protocol * Current pregnancy as reported by patient