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Figure 1 Intraocular pressure (IOP) measured by the ocular blood flow (OBF) tonograph correlated highly with that measured by Goldmann applanation tonometry (GAT; r = 0.901, p<0.001). The mean (SD) IOP was 14.9 (3.1) mm Hg using the OBF tonograph, and 14.4 (2.2) mm Hg using GAT.
