Glaucoma refers to a group of eye diseases characterized by increased eye pressure, leading to optic nerve atrophy and vision loss. The symptoms of glaucoma are mainly caused by increased eye pressure, resulting in eye pain. In cases of acute angle-closure glaucoma, symptoms include eye pain along with nausea, vomiting, photophobia, and tearing, which can easily be mistaken for neurological diseases. Chronic glaucoma symptoms, such as headache, nausea, and vomiting, are less pronounced, and eye discomfort is also more concealed during attacks, making early detection difficult. Therefore, it is important for glaucoma patients to undergo early examination and diagnosis, and to receive appropriate treatment in order to protect the optic nerve and prevent severe vision loss.