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Tear meniscus measurement in nasolacrimal duct obstruction patients with Fourier‐domain optical coherence tomography: novel three‐point capture method

Purpose:  Fourier‐domain optical coherence tomography (FD ODT) for the evaluation of marginal tear film has not been performed in patients with watery eye or in a controlled study. We used FD OCT to evaluate the height of the lower lid tear film at three points in normal adults and compared it with two watery eye groups.