1. Peripapillary Vessel Density Measurement of Quadrant and Clock-Hour Sectors in Primary Angle Closure Glaucoma Using Optical Coherence Tomography Angiography

    Peripapillary Vessel Density Measurement of Quadrant and Clock-Hour Sectors in Primary Angle Closure Glaucoma Using Optical Coherence Tomography Angiography

    Background: The purpose of this study was to investigate peripapillary vessel density of primary angle closure glaucoma (PACG) eyes in quadrant and clock-hour sectors, and the diagnostic ability of peripapillary vessel density was also studied. Methods: This was a cross-sectional study on forty-one PACG patients(50 eyes)and twenty-seven healthy subjects(27 eyes). The optic disc was imaged using a 1050-nm-wavelength swept-source optical coherence tomography system (DRI OCT Triton, TOPCON). Peripapillary vessel density was quantified by imageJ software. Characteristics of peripapillary vessel density of quadrant and clock-hour sectors were analyzed, and diagnostic capability was evaluated by areas under the receiver ...

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