One passes a 23G cannula or #00 Bowman probe into the canaliculi and examines whether the medial wall of the sac can be felt ... under-recognized cause of upper lacrimal system problems is ...
Root elongation and infections of the upper cheek teeth are sometimes manifested by epiphora, conjunctivitis, dacryocystitis ... cannula may damage the lacrimal sac and nasolacrimal duct; a ...
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