Objective To investigate the change of ocular he modynamics in patients with chronic glaucoma who received GBE after trabeculect o my with color doppler imaging (CDI).

• 目的应用彩色多谱勒成像(CDI)技术,观测慢性青光眼术后眼压已正常者使用银杏叶片后血流动力学的变化。