Open the website of their hospital appointment registration system, enter the user name and password, click on appointment registration, select the department (ophthalmology) you want to make an appointment with, then select the expert or professor (ophthalmologist) you want to make an appointment with, and then select the time when you will see a doctor (for example, next Monday). Finally, click OK to succeed. See a doctor next Monday, click on the appointment registration machine to confirm, and a small receipt will come out. You can take this receipt to see a doctor.