Epiphora & lagopthalmous following VII nerve injury is due to-: (A) Failure of lacrimal pump, (B) Increased lacrimal secretion, (C) Nasolacrimal duct obstruction, (D) None of the above
Answer is A. Ans. is 'a' i.e., Failure of lacrimal pump o Symptomatic epiphora following facial paralysis is most often associated with one or more of the following -i) Impairment of eyelid closure.ii) A compromised lacrimal pump.iii) Lower lid laxity