|a2=Clinical signs of dacryocystitis include a milky discolouration of the precorneal tear film, epiphora, crust formation along the affected eyelid margins and a caseous discharge from the nostril | |a2=Clinical signs of dacryocystitis include a milky discolouration of the precorneal tear film, epiphora, crust formation along the affected eyelid margins and a caseous discharge from the nostril |