Chronic dacrocystitis is due to?
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
Obstruction in naso lacrimal duct
Narrow bony canal
Foreign body
All of above
Nose and PNS