53. I use eye drops in the following types of packaging
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Question Count Score
Never Rarely Now and then Daily 3+ times per day
Standard bottle 479 2.44
Individual preservative-free vials 479 3.56
Specially designed preservative-free bottle 479 1.91
Average 2.64
Standard bottle
Answer Count Percent
20% 40% 60% 80% 100%
Never 229 47.81%
Rarely 35 7.31%
Now and then 59 12.32%
Daily 88 18.37%
3+ times per day 68 14.2%
Total 479 100 %
Individual preservative-free vials
Answer Count Percent
20% 40% 60% 80% 100%
Never 90 18.79%
Rarely 21 4.38%
Now and then 85 17.75%
Daily 99 20.67%
3+ times per day 184 38.41%
Total 479 100 %
Specially designed preservative-free bottle
Answer Count Percent
20% 40% 60% 80% 100%
Never 328 68.48%
Rarely 16 3.34%
Now and then 39 8.14%
Daily 42 8.77%
3+ times per day 54 11.27%
Total 479 100 %