It is known that there are 13 MYOC mutations for POAG in China: P13L (13), Q337Stop (13), S341P (14), P370L (10,15–17), C245Y (18,19), T353I (19,20), R91X(20), G252R (15,21), E300K (20,19), S313F (19), N450Y (23), Y471C (20,19), and T455K (22). The gene discussed is MYOC; the disease is open-angle glaucoma.