EYS and retinitis pigmentosa 1: According to the published data of EYS gene in Chinese cohorts, the age of onset of Chinese RP patients caused by EYS gene ranged from 8 to 45 years old, including 17.1% of the age of onset under 15 years old, 43.9% of the age of the onset ranged from 16 to 30, and the patients over 30 years old accounted for 39%.