Table 2.

Reduction of mean IOP at the different time points. IOP measurements were taken at 1, 4, 7, and 10 pm in a sitting position, at midnight in a supine position and at 7 am again in a sitting position with Goldmann applanation tonometry. Means and standard deviation

Time	Preoperative (mmHg)	Postoperative (mmHg)	Mean change (mmHg)	Mean change (%)	P-value
1 pm	14.6 ± 3.6	13.4 ± 3.1	− 1.2 ± 3.3	− 8.2	< 0.001
4 pm	14.1 ± 3.4	13.7 ± 3.2	− 1.0 ± 3.2	− 7.1	< 0.001
7 pm	14.9 ± 3.2	13.8 ± 3.3	− 1.1 ± 3.2	− 7.4	< 0.001
10 pm	15.3 ± 3.8	14.1 ± 3.0	− 1.1 ± 3.1	− 7.2	< 0.001
0 am	16.2 ± 4.1	14.4 ± 3.5	− 1.8 ± 3.6	− 11.1	< 0.001
7 am	14.8 ± 3.2	13.6 ± 3.1	− 1.2 ± 3.1	− 8.1	< 0.001