Influence of Vitamin B_(12) Eye Drops on Accommodation for Juvenile Myopia

Objective To investigate the effect of vitamin B12 eye drops on accommodation for juvenile myopia.Methods 48 patients with low myopia were given vitamin B12 eye drops.Accommodative facility and positive/negative relative accommodation were measured before and after administration for one month.Results The accommodative facility and positive relative accommodation were increased after administration for one month(P0.01),but the negative relative accommodation was not increased(P=0.26).Conclusion Vitamin B12 eye drops could improve the accommodative functions of juvenile myopia.