<prompt> Hutchinsons rule is related toHerpes simplex keratitisMycotic keratitisHerpes zoster OphthalmicusVernal keratitis  <response>: Refer: AK Khurana Comprehensive Ophthalmology, 6th edition, pg no. 110, 166 Hutchinsons rule:- In herpes zoster ophthalmicus, the involvement of the tip of the nose, supplied by external nasal nerve a terminal branch of nasociliary nerve, signifies increase the risk of ocular involvement uveitis. 