<prompt> Enlarged corneal nerves may be seen in all of the following exceptKeratoconusHerpes simplex keratitisLeprosyNeurofibromatosis  <response>: Enlarged corneal nerves Enlarged corneal nerves appear in several conditions; the most important to recognize is the dominantly inherited multiple endocrine neoplasia syndrome type 2B MEN type 2B.Other causes of enlarged corneal nerves include :-KeratoconusAdvanced ageNeurofibromatosisKeratoconjunctivitis siccaLeprosyFuchs endothelial dystrophyIchthyosisCongenital glaucomaRefsums diseaseAcanthamoeba keratitisTraumaFailed corneal graftHereditary ectodermal dysplasia 