<prompt> Afferent component of corneal reflex is mediated byVagus nerveFacial nervTrigeminal nerveGlossopharyngeal nerve  <response>: Ans. c Trigeminal nerveRef: Fuller Neurological examination made easy 3e, p. 102The afferent component of corneal reflex is mediated through the ophthalmic branch of the trigeminal nerve Vth nerve.The efferent component is mediated through the facial nerve VIIth nerve.Following corneal stimulation: Failure of either side of face to contract Nasociliary nerve lesion Failure of only one side to contract Facial nerve lesion. 