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Observational analysis demonstrates the influence of fluorescein on tear stability measures, indicating its utility in eye assessments.
A simple, noninvasive method of in vivo pre‐corneal tear film stability analysis is described. The method involves observing the first catoptric (first Purkinje) image. The effect of fluorescein on the results and the relation with standard tear breakup time (BUT) are presented.
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Patel et al. (1985) studied this question.
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