VKC is a  very common ocular entity which almost all ophthalmologists do see in the daily routine practice what is characteristic about its disease is the corneal involvement which is not due to conjunctival entity corneal involvement is a type of dystrophy which can be immediate and delayed  immediate is in the form od pseudoembrytoxon which mimics arcus senalis and delayed can go upto keratoconnus or keratoglobus   besides other corneal manifestations are as follows  Spk Epithelial erosions Vascularisation of cornea both superficial and deep Limbal trantas dots Pseudo pterygia One also sees vernal ulcer in v k c  the characteristics of v ulcer are  they are present in Upper part Grey and amorphous Resists weting Does not respond to acetylcysteine Horizontal and oval may have to be removed by surgical means Share your views.