Intraocular Pressure in Patients Undergoing Coronary Artery Bypass Graft Surgery With Cardiopulmonary Bypass

Intraocular pressures were measured and recorded at 8 predefined time points using a tonometer; before anesthesia induction (T1), 10 min after induction (T2), immediately before the beginning of CPB (T3), 3 minute after the beginning of CPB (T4), 3 minute after cross-clamping (T5), 3min after cross-clamp removal (T6), immediately before the weaning of CPB (T7), and end of the surgery (immediately after skin closure) (T8).