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Table 3 Glaucoma patients’ response to the eight-item Morisky instrument, glaucoma clinic of Menelik II Referral Hospital

From: Level of adherence to ocular hypotensive agents and its determinant factors among glaucoma patients in Menelik II Referral Hospital, Ethiopia

Morisky Medication Adherence Scale (MMAS-8) Frequency (%)
Yes No
Do you sometimes forget to take your eye drop(s)? 209 (58.2) 150 (41.8)
People sometimes miss taking their eye drop(s) for reasons other than forgetting. Thinking over the past 2 weeks, were there any days when you did not apply your eye drop(s)? 116 (32.3) 243 (67.7)
Have you ever cut back or stopped taking your eye drop(s) without telling your doctor because you felt worse when you took it? 19 (5.3) 340 (94.7)
When you travel or leave home, do you sometimes forget to bring along your eye drop(s)? 48 (13.4) 311 (86.6)
Did you take all your eye drop(s) yesterday? 323 (90.0) 36 (10.0)
When you feel like your eye pressure is under control, do you sometimes stop taking your eye drop(s)? 31 (8.6) 328 (91.4)
Applying eye drop(s) every day is a real inconvenience for some people. Do you ever feel hassled about sticking to your treatment plan? 84 (23.4) 275 (76.6)
How often do you have difficulty remembering to apply all your eye drop(s)?  
 Never/rarely 140 (39.0)
 Once in a while 137 (38.2)
 Sometimes 56 (15.6)
 Usually 24 (6.7)
 Always 2 (0.6)
Cut off Frequency (%)
  < 2 153 (42.6)
  ≥ 2 206 (57.4)