青光眼是一种以眼压升高、视乳头血流灌注不良合并视功能障碍的眼病,是常见的致盲疾病。该病的病程发展缓慢,在非急性发作时常无明显的临床症状,多数病人有反复小发作病史,其特点是在傍晚或午后出现程度不同的眼部不适,发作性视蒙(视力模糊)和虹视(看灯周围有彩圈),经过睡眠或充分休息后,眼压恢复正常,症状消失。少数病人无任何症状,偶尔遮盖 Glaucoma is a type of ocular disease characterized by elevated intraocular pressure (IOP) and optic disc hypoperfusion, as a common blinding disease. The course of the disease develops slowly and often has no obvious clinical symptoms during non-acute episodes. Most patients have recurrent episodes of small seizures characterized by varying degrees of ocular discomfort, episodic visual acuity (blurred vision) and Rainbow (see lights around the color circle), after sleep or full rest, intraocular pressure returned to normal, the symptoms disappear. A small number of patients without any symptoms, occasionally cover