Glaucoma is increasingly known by the increase and popularity in the community. There are about 100 million people with glaucoma in the world and the disease is the second leading cause of blindness with nearly 7 million people.
In Vietnam, there is mainly closed-angle Glaucoma, however, in recent years, open-angle Glucoma has been increasing, especially Glaucoma due to prolonged use of Corticosteroid. Glaucoma is a pathological condition of the optic nerve, characterized by the death of retinal ganglion cells.
Glaucoma lesions are irreversible so early diagnosis and prompt treatment is important. In 1995, the World Health Organization (WHO) defined primary open-angle glaucoma to be a disease of chronic progressive progressive optic nerve characterized by visual damage, papillae and often associated with a High intraocular pressure.