Figure 2. Fundus photographs of a 29-year-old male with mutations in RPGRIP1 who was initially misdiagnosed with idiopathic infantile nystagmus. He had sustained left head turn posture with left beating jerk nystagmus. Anderson-Kestenbaum surgery was performed at the age of 6 years. At the age of 29 years, his best visual acuity was 20/200 bilaterally. A, B: Fundus photography shows mild optic atrophy with retinal vessel attenuations. C, D: Spectral domain optical coherence tomography shows thinning of the inner segment and outer segment line.