RECURRENCE RATE OF PTERYGIUM: A COMPARISON OF BARE SCLERA TECHNIQUE AND FREE CONJUNCTIVAL AUTOGRAFT
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Abstract
Objectives: The main objective of this study was to compare the recurrence rate of pterygium after excision using
bare sclera technique and free conjunctival autograft (CAG).
Material & Methods: This was a comparative interventional case series conducted from March 2005 to March 2006
in the Ophthalmology Department of Khyber Teaching Hospital Peshawar. A total of 60 patients were included in this
study. The patients were divided into. Group A and group B. An equal number of patients were included in each
group. We used the bare sclera technique for group A patients and free conjunctival autograft (CAG) for group B. In
free conjunctival autograft (CAG), the bare sclera was measured with a caliper and a graft of the same size was taken
from the supero temporal region of the bulbar conjunctiva and grafted onto the bare sclera suturing it with 10/0 nylon
to the surrounding conjunctiva. All patients were operated under subconjunctival anesthesia.
Results: Out of 60 patients, 67% were male and 33% female. Patient age ranged from 20-50 years. The recurrence
was 36.6% in group A and 6.6% in group B.
Conclusion: Free conjunctival autograft is a better technique for prevention of recurrence after pterygium surgery
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