From: Prevalence of self-reported early glaucoma eye drop bottle exhaustion and associated risk factors: a patient survey
Frequency
N (%)
Rarely (1-2x/yr)
29 (12.3)
Sometimes (3-4x/yr)
19 (8.1)
Often (5-7x/yr)
1 (0.4)
Usually (8-11x/yr)
4 (1.7)
Always
7 (3.0)
Total
60 (25.4)