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Movement of the lacrimal canalicular wall under intracanalicular pressure changes observed with dacryoendoscopy.
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Abstract
Movement of the lacrimal canalicular wall has been speculated to occur during blinking. Movement of the common internal ostium has been observed under nasal endoscopy, and pressure changes in the lacrimal canalicular cavity have been observed with a pressure sensor; however, lacrimal canalicular wall movement under pressure changes has not been observed.