Dacryoscopy.
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.
D019723:Endoscopes; D006801:Humans; D007766:Lacrimal Apparatus Diseases / Q000175:diagnosis*