Table 7

Cost-minimization analysis of bimatoprost 0.03%, latanoprost 0.005%, and travoprost 0.004%; average retail price


Drops per Bottle
Days per Bottle
Annual Usage (bottles per year)
Bottle Cost* ($ per bottle)
Annual Cost
Monthly Cost
Cost per Day (bilateral therapy)
Cost per Drop

Bimatoprost 0.03%
113
56
6.5
$69.99
$455
$37.92
$1.24
$0.62
Latanoprost 0.005%
84
42
8.7
$61.69
$537
$44.75
$1.46
$0.73
Travoprost 0.004%
83
41
8.9
$66.37
$591
$49.25
$1.60
$0.80

* Average retail price, 2005

Frenkel et al. BMC Ophthalmology 2007 7:16   doi:10.1186/1471-2415-7-16