Using a metal cannula may damage the lacrimal sac and nasolacrimal duct; a safer alternative is a soft Teflon catheter (Fig. 2). Trauma can result in scar tissue formation, which can result in ...
Practical Treatment of Lacrimal Symptoms in the Presence of Patent Drainage It will be evident that, rather than FNLDO being a single entity, it is actually a period within the natural history of ...
One can divide lacrimal drainage system tests into functional and anatomical evaluations. The functional (physiological) tests are designed to assess tear flow under natural physiological ...