原发性闭角型青光眼发病机理的瞳孔阻滞学说,已为人们所公认。因此,在疾病的早期,若能施行周边虹膜切除术,则可中断疾病的病理进程,从而达到预防和治疗闭角型青光眼的目的。特别是慢性闭角型青光眼,其病情进展较为隐蔽,早期常常是虹膜与小梁网功能性相贴。若治疗及时可使房角重新开放。因之,对慢性闭角型青光眼的早期诊 Primary angle-closure glaucoma pathogenesis of pupillary block theory, has been recognized. Therefore, early in the disease, if the implementation of peripheral iridectomy, you can interrupt the pathological process of disease, so as to achieve the purpose of prevention and treatment of angle-closure glaucoma. In particular, chronic angle-closure glaucoma, the disease progression is more subtle, early is often the iris and trabecular meshwork. If the treatment can be promptly reopened corner. Therefore, the early diagnosis of chronic angle-closure glaucoma