1. Steps to Measurement Floor of an Optical Microangiography Device in Glaucoma

    Steps to Measurement Floor of an Optical Microangiography Device in Glaucoma

    Purpose To compare dynamic ranges and steps to measurement floors of peripapillary and macular metrics from a complex signal-based optical microangiography (OMAG C ) optical coherence tomography angiography (OCTA) device for glaucoma with those of OCT measurements. Design Cross-sectional study. Methods Imaging of 252 eyes from 173 glaucoma subjects and 123 eyes from 92 non-glaucoma subjects from a glaucoma clinic was quantified using custom and commercial software. Metrics from OCT (retinal nerve fiber layer [RNFL], ganglion cell-inner plexiform layer [GCIPL]) and OCTA (custom: peripapillary vessel area density [pVAD], macular vessel area density [mVAD], macular vessel skeleton density [mVSD]; commercial: peripapillary perfusion ...

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