原发性开角型青光眼是由于病理性高眼压引起的视乳头损害和视野缺损,而且眼压升高时房角开放的一种青光眼类型,其病因和发病机制尚未明了。近年来,人们对青光眼发病的研究集中到视盘病变与一些危险因子的关系上,特别是对一氧化氮(NO)和内皮素(ET)研究的深入,对青光眼发病认识有 Primary open-angle glaucoma is due to pathological ocular hypertension caused by optic disc damage and visual field defects, and elevated intraocular pressure when the open angle of a glaucoma type, the etiology and pathogenesis is not yet clear. In recent years, the research on the incidence of glaucoma has focused on the relationship between optic disc disease and some risk factors, especially on the research of nitric oxide (NO) and endothelin (ET), and the understanding of the pathogenesis of glaucoma