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(A) The Bruch reference structure: Bruch's membrane (blue), Bruch's membrane opening (BMO) point cloud (black dots), and BMO ellipse (black ellipse, which lies in the BMO plane). A 500-μm measure is included to illustrate scale. (B) Computing laminar depth (LC). The lamina cribrosa (red) and BMO ellipse (black) are shown. The BMO ellipse lies in the BMO plane. LDBMO is the distance from this plane. A 500-μm measure is included for scale.
