Treatment eye (right) Mean ± standard variation (95% confidence interval) Untreated eye(left) Mean ± standard variation (95% confidence interval) P value of the difference between the 2 eyes *Unpaired t-test P value of the difference between intraocular ocular pressure at different time points and the baseline *Paired t-test Treatment eye (right) Untreated eye (left) Baseline 8.07 ± 1.72 (6.91-9.23) 8.27 ± 1.56 (7.22-9.32) 0.778     3 hours 6.81  ±  2.24 (5.31-8.31) 8.98  ±  2.27 (7.45-10.51) 0.035 0.153 0.402 24 hours 7.23 ±  1.80 (6.02-8.44) 9.42 ±  2.75 (7.57-11.27) 0.041 0.273 0.092 3 days 6.91 ± 2.28 (5.38-8.44) 10.18 ± 2.83 (8.28-12.08) <0.01 0.117 0.005 7 days 8.31 ±  2.40 (6.70-9.92) 10.13 ±  2.31 (8.58-11.68) 0.085 0.966 0.002

Table 1: Mean intraocular pressure of the treatment eye (right) and untreated eye (left) at different time points.