Table 1.

Demographic profile of subjects

	Controls	Polyquad	BAK
Patients (number)	30	40	40
Age (Years)	60.42 ± 7.16	61.25 ± 13.32	60.88 ± 8.48
Gender (Male/ Female)	18/ 12	25/ 15	24/ 16
Treatment Duration (months)	-	12.83 ± 7.63	15.65 ± 9.62
IOP (mmHg) Baseline	13.3 ± 2.6	20.1 ± 4.2	19.2 ± 3.5
12 months	14 ± 2.4	12.8 ± 3.3	13.2 ± 2.1