This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Ophthalmology
Pa of cornea affected most in neuroparalytic keratopathy: September 2012 
Select and explain. 
A. Temporal 3rd of cornea, B. Inferior 3rd of cornea, C. Superior 3rd of cornea, D. Inferior 3rd of cornea
B: Inferior 3rd of cornea
Answer: B: Inferior 3rd of cornea 
Explanation: Ans. B i.e. Inferior 3rd of corneaNeuroparalytic keratopathy is improper closure of eye due to facial nerve palsy Neurotrophic keratopathy is paralysis of sensory supply of cornea i.e. trigeminal or Gasserian ganglion