Use of sodium saccharine for testing the functioning of the lacrimal passages.
D006801:Humans; D007765:Lacrimal Apparatus; D009301:Nasolacrimal Duct; D012439:Saccharin; D012964:Sodium
D012964:Sodium; D012439:Saccharin
NASOLACRIMAL DUCT/function tests; SACCHARIN