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. 2011 Oct 8;52(11):7987–7995. doi: 10.1167/iovs.11-7918

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Figure 1. — Axial SD-OCT 5-line raster scan displayed with an aspect ratio of 3:2 (top) and 9:2 (bottom). The 3:2 image magnifies the vertical scale, to enhance viewing of the retinal layers. The image is decreased with image-analysis software (Photoshop; Adobe Systems, Inc., San Jose, CA) along the vertical dimension to one third its height to equalize the both horizontal and vertical dimensions. Bottom inset: placement of semilandmarks (small, numbered circles) by superimposing a 2500-μm grid on the temporal (points 1–10) and nasal (points 11–20) side of the NCO after adjusting the aspect ratio. Note that the image is centered, flat, and symmetrical and that the grid is positioned parallel to the RPE/BM layer at the NCO.