Fig. 1
From: Ocular abnormalities in a large patient cohort with retinitis pigmentosa in Western China
Distribution of chief complaints in the study cohort of patients with RP. The pie diagrams showed the sampled patients’ complaint were distributed as follows: nyctalopia (58.2%), blurred vision (27.1%), poor vision since childhood (≤15 years old, 11.2%), physical examination (1.1%), metamorphopsia (0.7%), photophoby (0.5%), black floating spots (0.5%) and other unusual symptoms (0.7%, including pain, photopsia, a narrow vision field and double vision)