Measurement of lamina cribrosa (LC) curvature index in primary open-angle glaucoma eye.

<p>The horizontal and vertical optic disc scans of a 70-year-old patient with primary open-angle glaucoma (POAG). The image delineated with yellow guidelines is the same as that depicted on the left side. The horizontal and vertical mean anterior laminar insertion depth (ALID) was 304.6 μm and 274.1 μm, respectively. The horizontal and vertical mean LC depth was 404.9 μm and 366.4 μm, respectively. The horizontal LC curvature index was 100.3 μm and the vertical LC curvature index was 92.3 μm. The yellow-shaded area exhibits the degree of the posteriorly located anterior LC surface according to the mean level of the anterior laminar insertion (ALI).