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OCI as sum of frequency and intensity of 6 items (mean ± SEM) on Day 0 (A), Day 35 (B), and Day 84 (C).
Notes: At Day 84, item “pain” was significantly more reduced by 0.2% HA than by 0.18% HA (P<0.0370). All other differences between treatments were not significant.
Abbreviations: HA, hyaluronic acid; OCI, ocular comfort index; SEM, standard error of mean.
