PubMed · 523061
Dacryoscopy.
Abstract
A miniature caliber endoscope is described for introduction into the lacrimal excretory passages. Direct observation and diagnostic inspection of the contents and lining of the lacrimal sac and naso-lacrimal duct are possible with the instrument, and complement standard examination procedures of the lacrimal outflow system.
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S W Cohen, R Prescott, M Sherman, W Banko, M E Castillejos. 1979. Dacryoscopy.. https://pubmed.ncbi.nlm.nih.gov/523061/
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