Dacryocystitis is an infection of the lacrimal sac, often resulting from nasolacrimal duct obstruction (NLDO), which can lead to tears not draining properly. This condition can affect individuals ...

Culture and cytology of the secretions can confirm infection. This is why epiphora, or watery eyes with excessive tearing, resulting from a blocked nasolacrimal duct shows milky secretions from ...

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 ...