Glaucoma closed-angle glaucoma and open-angle glaucoma, closed-angle glaucoma attack, the eye symptoms are heavier, but open-angle glaucoma due to the insidious onset, often no conscious symptoms, so vision damage is more serious, like glaucoma acute closed-angle glaucoma, if there is an acute major attack, eye distension pain, nasal root acidity, accompanied by nausea, vomiting, timely access to the hospital, it is easy to make a clear diagnosis, in If the diagnosis is clear and the surgery is performed at the same time, the optic nerve can be protected by controlling the eye pressure. In the case of open-angle glaucoma, there are often no conscious symptoms, and when you go to the ophthalmology department, the optic nerve is already pale and atrophied, and at this time, treatment is basically irreversible damage to the vision, although the IOP is under control. So in terms of severity, open-angle glaucoma is more serious.