Herpes Zoster Ophthalmicus is a common ophthalmic disorder caused by varicella zoster virus involving the Gasserian ganglion of the ophthalmic branch of trigeminal  Herpes Zoster Ophthalmicus is a unilateral condition never crossing the midline patient status with skin vesicles along the ophthalmic branch of trigeminal if the tip of nose is involved it ment nasociliary nerve is involved and corneal involvement is certain complication of Herpes Zoster Ophthalmicus are Periorbital oedema Periorbital cellulitis Blepharitis Blepharoconjunctivitis Scleritis Keratitis  in the form of lamellar keratitis  punctate keratitis nebular keratitis  micro dendritic keratitis disciform keratitis Segmental iris lesinds iris atrophy new vessel formation on iris Iritis iridocyclitis trabeculitis high iop low iop even ptosis Post subcapsular cataract Vitreous heamraghe Choroiditis Retinitis Chorio retinits…