Objective To observe the occurrence and progress of retinopathy of prematurity(ROP) in premature and low birth weight infants and search the reasonable ROP screening standard and therapeutic methods.Methods ROP screening was carried out under indirect ophthalmoscope in 68 premature infants and were treated.Their clinical characteristics were summarized and analyzed.Results ROP was found in 12 infants(17.6%).The ROP incidence was higher in premature infants(birth weight lower than 2 000g,gestational age less...