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Clinical probes to qualitative and quantitative evaluating the tear film from baseline to the end of study in the participants randomly assigned to a daily intake of 30 g. of the fresh TN Chufa de Valencia. (A) Data from the FTBUT in both eyes. (B) Schirmer test determination in both eyes. F-BUT test: Fluorescein break up time test; RE: right eye LE: left eye. ★ p < 0.05 statistically significant.
