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  • Title: Identification of the lower end of the nasolacrimal duct with a fibre-optic light 'pipe'.
    Author: Elder JE.
    Journal: Aust N Z J Ophthalmol; 1998 Aug; 26(3):263-4. PubMed ID: 9717763.
    Abstract:
    PURPOSE: To report a method of identifying the lower end of the nasolacrimal duct when more usual methods have failed. METHODS: A vitreoretinal fibre-optic light pipe was used to identify the lower end of the nasolacrimal duct in a child with unusual congenital nasolacrimal duct obstruction. RESULTS: This intraluminal light source enabled easy cut down onto the 'blind' end of the lacrimal drainage apparatus and subsequent intubation with silicone tubing to overcome the obstruction. CONCLUSION: This technique may prove useful in the rare cases in which it is not possible to identify the lower end of the nasolacrimal duct with a probe and nasal endoscope alone.
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