A Novel Method to Detect Local Ganglion Cell Loss in Early Glaucoma Using Spectral-Domain Optical Coherence Tomography
Purpose: To test the glaucoma-discriminating ability of a new method for detecting local ganglion cell loss using spectral-domain optical coherence tomography (SD-OCT). Methods: This study included 58 eyes from glaucomatous patients and 48 healthy eyes from volunteers. The combined thickness of the ganglion cell layer and inner plexus layer (GCIPL) was measured on a macular cube scan (200 × 200) in Cirrus HD-OCT. GCIPL thicknesses on 360 spokes extending from the inner to the outer radius of a macular elliptical annulus were calculated. The lowest value (minimum GCIPL) was compared to the average GCIPL thickness within the elliptical annulus in the ...
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