School of Information Science and Engineering;
Central South University;
Changsha 410083;
China;
Center for Ophthalmic Imaging Research;
Central South University;
Changsha 410083;
China;
'Mobile Health' Ministry of Education-China Mobile Joint Laboratory;
Central South University Changsha 410083;
China;
anterior lamina cribrosa surface segmentation; active contour; energy constraint; measurement;