The man who first suggested a lacrimal probe was thinking along scientific lines. By its use he hoped to remove the obstruction from the nasal duct, and restore its normal function. His disappointment came, however, when he learned, from repeated efforts on patients in whom the probe could be passed through the duct into the nose, that in most instances the tendency to an immediate closure was so great that the hope of draining the sac of its infectious contents had to be abandoned. The failure of the probe to give relief by drainage suggested the use of the style, which proved to be unscientific in principle and unsatisfactory in results.
For several years all contributors to this subject seem to have given up the idea of drainage or the restoration of the normal function of the lacrimal sac and nasal duct, and instead have directed their energies to sac
THOMPSON WR. THE RATIONAL ETIOLOGY AND SATISFACTORY TREATMENT OF DACRYOCYSTITIS. JAMA. 1918;71(21):1727–1730. doi:https://doi.org/10.1001/jama.1918.02600470025009
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