There was a statistically significant increase in intraocular pressure from baseline to T3 ( pneumoperitoneum and steep Trendelenberg ) in the Sevoflurane Group [ 6.0 ( 5.0 ) mmHg ; P < 0.001 ] but not in the Propofol Group [ 2.1 ( 5.1 ) mmHg ; P = 0.136 ] .