Figure 2. Retinal Sensitivity in the Clinical Trial of Retinal Gene Therapy for X-Linked Retinitis Pigmentosa Using BIIB112 (XIRIUS) Study Part 1 Therapeutic Dose Cohorts 3 to 6.

A, Change from baseline in mean central retinal sensitivity for 6 early (month 1) responders. The shading in panel A indicates the difference between the dosed and untreated eye. Error bars represent the SE. B, Mean number of 16 central loci with increased retinal sensitivity from baseline.