视盘形态学改变是青光眼早期征象 ,可出现在视野缺损之前。青光眼视盘改变主要表现有视网膜神经纤维层受损、盘沿面积的缩小和杯形的改变等。海德堡视网膜断层扫描仪检查可及时、无创伤地获得视盘三维图像 ,并可定量分析和随访青光眼视盘改变。现介绍其原理及在青光眼诊断和随访中的应用 Disc morphological changes are early signs of glaucoma, can appear in the visual field before the defect. Glaucomatous optic disc changes are mainly manifested by damage to the retinal nerve fiber layer, disk area reduction and cup-shaped changes. Heidelberg retina tomography can be timely, noninvasive access to three-dimensional images of the optic disc, and quantitative analysis and follow-up glaucoma optic disc changes. Now introduce the principle and the application in the diagnosis and follow-up of glaucoma