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Incidence of irritation/burning/stinging and foreign body sensation (A), tearing, itching (B), and dry eye sensation (C) at baseline during preserved latanoprost treatment and at 6 weeks and 12 weeks after switching to preservative-free tafluprost treatment.
Notes: The number of patients suffering from the ocular symptom is shown above each bar, and the total number of patients per visit is shown in the box.
