The changes of visual acuity, visual field, intraocular pressure, P-VEP before and after treatment were observed.Moreover, the clinical therapeutic effect was observed by means of case-control study.

• 2．通过对原发性开角型青光眼患者P-VEP等项目的观察，探索和研究其发病机理，并进一步探讨这些检查在本病中的应用价值。