AIM: To investigate the effects of different degree correction of refractive error and without glasses on the myopia progress in young myopia patients.

METHODS: Totally 90 young myopia patients 180 eyes were divided into 3 groups: group A without glasses(30 children); group B monocular correction <1.0(30 children); group C binoculus correction=1.0(30 children). All patients were subjected to cycloplegic refratometry by compound tropicamide and reinspected the next day. One year later, all patients were subjected to cycloplegic refratometry again to observe the change of myopia number. The diopter took monocular correction to 1.0 as standard.

RESULTS: All patients' myopia increased year by year, the increase of diopter in group C was significantly lower than that of group A and B, and group B was significantly lower than group A.

CONCLUSION: Different degrees correction and uncorrection of refractive error will affect the refraction evolution process, under-correction or uncorrection will increase the myopic development.