Chronic dacrocystitis is due to?: (A) Obstruction in naso lacrimal duct, (B) Narrow bony canal, (C) Foreign body, (D) All of above
Answer is D. ANSWER: (D) All of aboveREF: Khurana 4th ed p. 370Etiology of chronic dacryocystitis is due to obstruction and stasis AETIOLOGY:Nasolacrimal obstructionNarrow" bony canalExcessive folds in nasolacrimal ductForeign bodyExcessive lacrimationMild grade inflammation