IRCT20100414003714N3 IRCT 2018-07-10 Guilan University of Medical Sciences Effect of atropine eye drop for inhibition of myopic progression Study of the effect of atropine eye drops with concentration of 0.1%&0.01% and placebo in natural course of myopia progression in Children with 6 to 18 year olds 2018-06-20 anticipated 31 Complete https://irct.ir/trial/31944 interventional Randomization: Randomized, Blinding: Double blinded, Placebo: Used, Assignment: Parallel, Purpose: Treatment, Randomization description: Random Allocation will be done according block randomization of 16 blocks of 6. Initially this randomization is depended on gradual presentation and put into secured pocket and keep in research center, Blinding description: ِDoctor and patients are not aware of dose and kind of eye drops. Only research center staff knows the subject. 3 Inhibition of myopic progression with using atropine eye drop. Intervention 1: Intervention group 1: Receive 0.1% atropine eye drops. Intervention 2: Intervention group2: Receive 0.01% atropine eye drops. Intervention 3: Control group: receive artificial tear eye drop. No - There is not a plan to make this available Justification or reason for not sharing IPD is There is no further information