Lamina Cribrosa Depth Variation Measured by Spectral-Domain Optical Coherence Tomography Within and Between Four Glaucomatous Optic Disc Phenotypes
Purpose : To study lamina cribrosa (LC) depth variation measured by spectral-domain optical coherence tomography (SD-OCT) in four glaucomatous optic disc phenotypes. Methods : In this cross-sectional study, 59 normal eyes and 180 open-angle glaucoma (OAG) eyes were grouped into 56 focally injured discs (FI), 30 generalized enlargement of the optic cup discs (GE), 69 myopic glaucomatous discs (MY), and 25 senile sclerotic discs (SS). They were imaged by enhanced depth imaging SD-OCT, obtaining multiple horizontal and vertical optic disc B-scans. Mean and maximum LC depths were measured relative to Bruch's membrane opening (BMO) and the anterior sclera (AS) reference planes ...
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