Objective To make an inquiry into the features of the changes in color pattern electroretinogram (CP ERG) and color visual evoked potential (CP VEP) in early primary open angle glaucoma (POAG).

• 目的 探讨早期原发性开角型青光眼彩色图形视网膜电图 (CP- E RG)、彩色图形视觉诱发电位 (CP- VEP)的改变特征。