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The effects of Vitamin A on tear break-up time of young adults
Abstract
19.12 seconds before the administration of vitamin A. After 20 days of a seven-day administration of vitamin A, the range becomes 16-31 seconds and a mean TBUT of 21.79 seconds. This showed an increase of 2.67 seconds in the mean TBUT. Measuring the correlation between the observations using the Spear man rank- order correlation coefficient at 0.05 level of significance, there was a significant improvement in TBUT after the administration of vitamin A.
