Table 1 Clinical data
GroupNo of subjects (n)Mean age (years)Concentration(mg/ml)Applications per dayPreservativeConcentration (mg/ml) of benzalkonium chloride
Control1076 (6)
Timolol1075 (7)5.0TwiceBAC0.1
Latanoprost1074 (10)0.05OnceBAC0.2