Gastroesophageal reflux disease and the presence of pepsin in the tears |
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Authors: | Giuseppe Magliulo Rocco PlaterotiAndrea Maria Plateroti |
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Affiliation: | “Organi di Senso” Department, University “La Sapienza”, Rome, Italy |
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Abstract: | The nasolacrimal duct in association with the lacrimal puncta, lacrimal canaliculi and lacrimal sac functions to collect and drain the tear film into the nasal cavity at the inferior nasal meatus where a fold of nasal mucosa, the so-called valve of Hasner, prevents mucous from entering the nose. High-resolution computed tomography demonstrated air inside the sac and nasolacrimal duct in approximately 29.3% of healthy patients suggesting that the system is not completely competent and that air and secretions might reach the precorneal film. |
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