Children ≤14 years old from ophthalmic clinic without treatment were enrolled to a prospective, randomized controlled study. Patients were assigned to two groups: participants in group A went to the artificial intelligent clinic and get the initial diagnosis, while in Group B, the participants went to the normal clinic. Investigators provide the final definite diagnosis from experts for two groups. Investigators compared the accuracy of the diagnosis, time consuming and the satisfaction level between two groups, aiming at comparison of artificial intelligent clinic and normal clinic for diagnosing congenital cataract.