Conjunctivoductivo‐Dacryocystorhinostomy: A Novel Surgery for Intractable Canalicular Obstruction

Tear fluid enters the lacrimal sac from the upper and lower punctum at the medial canthus through the superior and inferior canaliculi and then flows through the nasolacrimal duct into the nose. Obstruction in any part of the abovementioned lacrimal passage is the most common cause of epiphora, also known as excessive watering of the eye. Epiphora can be symptomatic of other underlying conditions and affects the quality of life (QOL) of...