A Simple Taste Test for Lacrimal Obstruction

Acquired Nasolacrimal Duct Obstruction

“…In this test, saccharine drops are instilled into one eye and chloramphenicol drops are instilled into the other. The ability of the patient to detect the sweet taste of the saccharine and the bitter taste of the chloramphenicol indicates a patent drainage system [18]. The availability of these type drops, however, is somewhat limited, and this test is generally not in widespread use.…”