OCT and HRT parameters of POAG and NTG groups.

<p>OCT = Optical Coherence Tomography; HRT = Heidelberg Retina Tomograph; RNFL = retinal nerve fiber layer; POAG = primary open-angle glaucoma; NTG = normal-tension glaucoma; CDR = cup/disc ratio.</p><p>Data are presented as mean (standard deviation).</p><p>Comparisons between two groups were performed by Student’s <i>t</i> test.</p><p>OCT and HRT parameters of POAG and NTG groups.