Development and Evaluation of Functional Visual Field and Navigation Endpoints in Moderate to Profound Inherited Retinal Disease (DEFINE-IRD)

Inclusion Criteria: * Diagnosis of bilateral retinitis pigmentosa (RP) or other retinal dystrophies impacting peripheral vision as confirmed from previous eye examination records * Best-corrected visual acuity between 20/200 to HM in at least one eye. * Reasonably fluent in English or Spanish 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