Yes, glaucoma causes eye pain, and the most common symptoms of glaucoma are eye pain and headache. Glaucoma is an eye disease that refers to eye disorder with rising fluid pressure in the eyes, which usually have few or no initial symptoms, but it finally causes harm to the optic nerve and then carries information from the eye to the brain. That's why you may suffer from eye pain because of glaucoma. Besides, there are different kinds of glaucoma, such as chronic glaucoma, acute glaucoma, congenital glaucoma and secondary glaucoma, etc. If your glaucoma left untreated, it will become worse and you may lose vision and even become blind. Therefore, prevention and treatment is of great importance. You can take more physical exercises to provide a long-term benefit of reducing the risk of glaucoma since a sedentary lifestyle will increase glaucoma risks. Or you may use eye drops with medication to control glaucoma, depending on the severity, you may receive glaucoma surgery and lasers to treat glaucoma. Besides, you can also reduce your risk of glaucoma by no smoking and drinking and maintaining a healthy life style.