Table 2. IOP, BP, OPP and axial length before and after trabeculectomy.

	Before	After	P value
IOP (mmHg)	17.6±6.3	6.5±2.9	<0.001
BP (mmHg)
Systolic	127.7±19.0	124.8±20.2	0.22
Diastolic	77.7±13.2	74.6±13.8	0.049
OPP (mmHg)	45.3±10.0	54.4±10.4	<0.001
Axial length (mm)	24.5±1.7	23.9±3.3	0.036

IOP; intraocular pressure, BP; blood pressure

OPP; ocular perfusion pressure