Figure 1From: Instability of 24-hour intraocular pressure fluctuation in healthy young subjects: a prospective, cross-sectional study Representative 24-hour circadian profile for the 6th volunteer in the sitting position. Systolic and diastolic blood pressure (A) and intraocular pressure (B) were obtained once a week for 5 consecutive weeks. BP = blood pressure, IOP = intraocular pressure.Back to article page