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 condition as ...

Canaliculitis, a relatively uncommon inflammatory condition affecting the specialised channels that drain tears from the ocular surface, is a significant contributor to lacrimal drainage system ...

Patients taking a combination of topical antiglaucoma medications are at a significantly increased risk of developing lacrimal drainage system obstruction, a prospective study suggests. "Both total ...

Sleep deficiency is a common public health problem associated with many diseases, such as obesity and cardiovascular disease. In this study, we established a sleep deprivation (SD) mouse model using a ...

Epiphora is a very common symptom and will become more common in an aging population. Many causes of epiphora are unrelated to anatomical problems in the nasolacrimal drainage apparatus. Problems in ...