A Prospective, Observational Study in Adults With Retinitis Pigmentosa (RP)

Inclusion Criteria: * Subject is able to provide written informed consent and is willing and able to comply with the protocol. * Subject is ≥ 18 years of age at the time of informed consent. * Subject has a clinical diagnosis of nonsyndromic retinitis pigmentosa. * Subject is willing to consent to genetic testing, if not already done. * Subject has BCVA in the worse eye between hand motion and 35 Early Treatment of Diabetic Retinopathy Study (ETDRS) letter score (approximately ≤ 20/200 Snellen equivalent), inclusive at Screening. * For subjects who are able to reliably perform kinetic perimetry in the opinion of the Investigator and the assessment provides accurate information, the central visual field diameter (ie, excluding temporal islands) of any visual field diameter is \< 20 degrees in the worse eye as measured with the III-4e stimulus using Octopus 900 perimetry at Screening. * On OCT, inner retinal layers are observed and are retained in the worse eye. Exclusion Criteria: * Subject has an eye disease or visual disorder other than retinitis pigmentosa that impairs visual function. * Subject has any other eye condition, which in the opinion of the Investigator, would preclude an accurate evaluation at any time during the study. * On OCT, subject has cystoid macular edema in the worse eye in the opinion of the Investigator or is currently receiving treatment for cystoid macular edema in the worse eye. * Subject has unstable intraocular lens. * Subject has a clinically…