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(a) Forest plot analysis comparing omega-3 effects on dry eye symptoms to placebo: Omega-3 showed efficacy in diminishing dry eye symptoms. CI, confidence interval. (b) A sensitivity examination was conducted using the method of one-study removal. This examination revealed that the efficacy of omega-3 on reducing dry eye symptoms remained statistically significant consistently across the analysis [2,5,6,9,21,22,24,25,26,27,28,29,30,31,32,33,34,35].
