<prompt> Epiphora is:Cerebrospinal fluid running from the nose after fracture of anterior cranial fossaAn epiphenomenon of a cerebral tumorAn abnormal overflow of tears due to obstruction of lacrimal ductEversion of lower eyelid following injury  <response>: Epiphora is defined as watering from the eye due to physiological causes such as pump failure or mechanical obstruction in lacrimal passage. Ref: Textbook of Ophthalmology By Nema, 3rd Edition, Page 304 