Figure 2 | Scientific Reports

Figure 2

From: Nocturnal blood pressure dip and parapapillary choroidal microvasculature dropout in normal-tension glaucoma

Figure 2

Representative cases of normal-tension glaucoma eyes with and without choroidal microvasculature dropout (CMvD). A 52-year-old woman with CMvD as indicated by red outline in the β-zone parapapillary atrophy shown by yellow outlines (A) and a 56-year-old woman without CMvD (B) had similar circumpapillary retinal nerve fibre layer loss (thickness, 79 μm vs. 76 μm) in the inferotemporal area and visual field defect (mean deviation, − 7.17 dB vs. − 6.23 dB, respectively) in the superior hemifield. Nevertheless, 24-h blood pressure (BP) patterns showed differences depending on the presence of CMvD. Nighttime diastolic BP (DBP) in the eye with CMvD showed a longer duration and greater magnitude of BP dip (black area; at least 10 mmHg below the mean daytime BP) than those in the eye without CMvD. However, nighttime systolic BP (SBP) showed similar patterns of BP dip in eyes with and without CMvD.

Back to article page