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Sidney Julio Faria-e-Sousa,1 Monike de Paula Gomes Vieira,1 Jailton Vieira Silva21University of São Paulo, São Paulo, Brazil; 2Federal University of Ceará, Ceará, BrazilPurpose: Intermittent entropion may go unnoticed by both patient and physician, in some instances resulting in ocular surface disorders. Unfortunately, the current work-up used to diagnose entropion is not always sufficient to uncover the problem. We present an alternative diagnostic test.Cases: Two case reports are presented showing different situations where the current methods for detection of entropion failed and the diagnosis was only made with an alternative diagnostic test.Results: The common denominator of both cases is an intermittent entropion which could not be detected by the conventional clinical work-up. Diagnosis was easy however using the “TIE test” described in the text.Conclusion: The important clues for suspicion of intermittent entropion are an intermittent foreign-body sensation in the eye accompanied with central punctate keratopathy. The TIE test is a simple and useful test for the diagnosis of intermittent entropion.Keywords: eyelids, lid abnormality, TIE test