RESUMEN
The purpose of this prospective study was to determine the incidence of Ocular involvement in HZO and to describe the clinical presentation and course of HZO in the eye [both intra and extra ocular structures] DESIGN: Prospective study. SETTING: Ophthalmology Department of Punjab Medical College, Faisalabad. PERIOD: 2 Years from Sep 96 to Sep 98. PATIENTS AND METHODS: Total fifteen patients; thirteen male and two female. Out of 15 patients of HZO 73.33% developed ocular involvement while 26.67% spared the eye involvement. All patients 100% had lesions on forehead and upper lid while Hutchinson sign remained positive only in 66.67%. Blepherotosis and trichiasis was developed in 26.67% and 6.67% respectively while 73.33% cases developed conjunctivitis and punctate epithelial keratitis with ultimate corneal scarring in 66.67%. Corneal hyposensitivity was detected in 66.67%. AC reaction in 73.33%. Pupillary abnormalities in 53.33%. 6th nerve palsy in 6.67%. Glaucoma in 20%. Post herpatic neuralgia in 26.67% cases. One patient developed contra lateral haemiplegia and orbital apex syndrome while none of the patient developed optic neuritis, necrotizing retinitis, chorioretinitis, Horner's syndrome and progressive outer retinal necrosis. Deterioration of vision was detected in 73.33% cases