1. Irreversible blindness eye disease, severe glaucoma can lead to complete blindness, and blindness caused by glaucoma is difficult to recover with current treatment technology. Therefore, glaucoma is called "irreversible blindness". This means that blindness caused by glaucoma may last a lifetime. 2. Glaucoma also has a genetic tendency. People with high myopia, high hyperopia, severe cataract, hypertension and hyperglycemia have a higher probability of glaucoma than normal people. Moreover, Dr. Aier in Gansu said that glaucoma has certain family genes. If the elder has glaucoma, the probability of the next generation suffering from glaucoma is higher than that of normal people. Early detection and treatment of glaucoma, and in the process of treatment, we should follow the doctor's advice on time and insist on medication. With early detection and better diagnosis and treatment, most glaucoma patients can maintain good eyesight.