青光眼是以视神经凹陷性萎缩和视野缺损为共同特征的疾病,其特征就是眼内压间断或持续性升高的水平超过眼球所能耐受的程度,给眼球各部分组织和视功能带来损害,导致视神经萎缩、视野缩小、视力减退,直至失明。 Glaucoma is a disease characterized by atrophy of the optic nerve and visual field defect and is characterized by intermittent or persistent increase in intraocular pressure exceeding the tolerance of the eyeball and damage to the organization and visual function of various parts of the eyeball , Resulting in optic atrophy, narrowing of vision, vision loss, until blindness.