In this study, the investigators provide participants≤14 years old the artificial intelligent clinic or normal clinic in the purpose of seeking out a better way to make a definite diagnosis with high efficiency and accuracy, and report a prospective, randomized controlled study aiming at comparison of artificial intelligent clinic and normal clinic for diagnosing congenital cataract.

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.

Inclusion Criteria:

• Paediatric patients from collaborating eye clinics Written informed consents provided

Exclusion Criteria:

• Definitive diagnosis of cataract or other ocular abnormalities Previous eye surgery Can not cooperate with the slip lamp examination Unwilling to participate in this trail

Slit-lamp photography and patient recruitment will be performed in each participating clinic by trained clinical staffs. The clinical staffs, investigators involved in data management and analysis, and experts providing the gold standard diagnosis by consensus in each clinic will be blinded to the group assignment. The study participants, the coordinator, senior consultants, and study personnel responsible for randomisation will not be masked.