Abstract: Objective To investigate the cause of blindness and low vision of students in Guangzhou Blind School.Methods The 254 students in Guangzhou Blind School were examined with international standard visual acuity chart,including naked visual acuity and corrected visual acuity.The student's inner,outer eyes were also examined in order to find the cause of blindness and low vision.Results In the 254 students,222 suffered from blindness(87.4%),and 32 suffered from low vision(12.6%).The leading cause of blindness was retinopathy of prematurity(ROP)(32.88%).The leading cause of low vision was congenital,heritage oculopathy,especially the congenital cataract(31.25%).Conclusion ROP is the leading cause of blindness of students in Guangzhou Blind School.

Key words: blindness, low vision, retinopathy of prematurity, congenital cataract