Improved Reproducibility in Measuring the Laminar Thickness on Enhanced Depth Imaging SD-OCT Images Using Maximum Intensity Projection
PURPOSE. To investigate whether the thin-slab maximum intensity projection (MIP) image improves the reproducibility of spectral domain optical coherence tomography (SD-OCT) based lamina cribrosa thickness (LCT) measurement. METHODS. Optic discs of 63 open angle glaucoma patients or glaucoma suspects were scanned with enhanced depth imaging SD-OCT. The B-scan images were constructed 3-dimensionally using MIP. The whole MIP volume was then cut into thin slabs of 2 scan-line distance width (approximately 64 μm) at 3 locations: mid-horizontal, and superior and inferior mid-peripheral regions of the optic nerve head. The LCT was measured in the thin-slab MIP images (LCT-MIP) and the 3 ...
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