Bilal Khan, Ashfaq-ur Rehman, Arif Khan, Muhammad Idrees, Adnan Alam.
Visual Improvement after Penetrating Keratoplasty in Corneal Scars.
Ophthalmol Update Jan ;13(3):165-71.

Objectives: To determine the visual improvement after penetrating keratoplasty in corneal scars of healed corneal ulcers. Methodology: This was a hospital based descriptive cross sectional study at department of Ophthalmology, Hayatabad Medical complex, Peshawar from 15th October, 2011 to 15th June 2013 having total 1 year and 9 months duration. All those patients were included in the study in which penetrating keratoplasty for corneal scars of healed corneal ulcers having both genders having age limit: 15-60 years and base line visual acuity of ? 6/36 on Snellen?s vision chart while those patients having active anterior segment infections, adnexal lesions, associated glaucoma with intraocular pressure of > 21 mm Hg measured by Goldmann applantation tonometer, dry eye diseases, systemic disorders and history of chemical burns were excluded. Documentation were done on preformed proforma for age, gender, etiology of corneal ulcers, any variation in post visual acuity and post operative complication. Data was analyzed by SPSS 20 and represented in the form of charts and graphs. Results: There were more males than females, 47 versus 17, with mean age of 30 years (ranging from 14-52). Of these 64 patients 82 % got visual improvement of better than two lines on snellen?s visual acuity chart at 3rd month post operatively. Only 2 cases got graft rejection. Conclusions: 82 % of patients got improvement of better than two lines on snellen?s visual acuity chart after penetrating keratoplasty for healed corneal ulcers.

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