1. Optical Coherence Tomography Angiography Vessel Density Changes after Acute Intraocular Pressure Elevation

    Optical Coherence Tomography Angiography Vessel Density Changes after Acute Intraocular Pressure Elevation

    To investigate changes in retinal vessel density in optic nerve head (ONH) and macula after acute intraocular pressure (IOP) elevation, we conducted a prospective observational study. Eyes with IOP rise ≥5 mmHg after 2-hour dark room prone provocative test (DRPPT) were included. Vasculature of ONH and macula was examined by optical coherence tomography angiography (OCTA) at baseline and after DRPPT. Among the 65 eyes of 42 individuals, 40 eyes with qualified images were enrolled. Mean IOP rise was 9.6 ± 4.2 mmHg (5.0–23.3 mmHg) after DRPPT. Retinal vessel density did not differ after IOP rise for ...

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