The Survey of Amblyopia among Children Aged 3～6 Years Old in Kindergartens of Yinchuan

Objective To explore the epidemic status of amblyopia in children and the cause classification of amblyopia in Yinchuan.Methods using randomized clustering sampling,27 kindergarten in Yinchuan were selected from 126 and Lea visual acuity chart was used for children to make a general investigation of the visual acuity.The children whose visual were under 0.8 took the examination of protomerite,fundus oculi,the position of eye and optometry after cycloplegia by Atropine.Results Among 5108 children,there were 229 amblyopia children who accounted for 4.48%.No significant difference were found in amblyopia prevalence among different age groups.Of the total amblyopia,mild amblyopia(178 eyes)had 53.13%,midrange amblyopia(142 eyes) had 42.39% and severe amblyopia(15 eyes) had 4.48%.there was significant difference in the amblyopia propotion of different level.Aetropia amblyopia(135 eyes) accounted for 58.95%,anisometropic amblyopia(60children) accounted for 26.20%,strabismic amblyopia(25 children) accunted for 10.92%,form deprivation amblyopia(9 children) accunted for 3.93%.There was no difference in the amblyopia etiology of different age group.104 children were detected among 229 children with amblyopia for the first time,that accunted for 45.41%.46 cases had received regulate treatment among 125 children diagnosed with amblyopia and accunted for 36.8%.Conclusion Preschool period is the best treatment time for children with amblyopia.Vision screening and health education on eye health should be carried out in the kindergarten for early detection and early treatment of children with amblyopia.