<prompt> Hutchinsons rule is related toHerpes simplex keratitisMycotic keratitisHerpes zoster ophthalmicusNone  <response>: Hutchinsons rule is related to herpes zoster ophthalmicus which is an acute infection of Gasserian ganglion of the fifth cranial nerve by the varicella-zoster virus. Occurs commonly in immunocompromised individuals. Hutchinsons rule implies that ocular involvement is frequent if the side or tip of the nose presents vesicles is useful but not infallibleReference: Comprehensive Ophthalmology, 