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FC Figueiredo, SB Kaye, WH Lee, K Gales, U Mallaiah; Pterygium Surgery: Outcomes Using a Free Conjunctival Autograft . Invest. Ophthalmol. Vis. Sci. 2002;43(13):125.
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Purpose:To determine the recurrence rate, complication rate and the effect on visual acuity, refraction and corneal topography after pterygium excision with conjunctival autograft. Methods:Retrospective case record review of 35 consecutive patients (38 eyes) who had undergone pterygium excision with a free conjunctival autograft. Group A (14 eyes), grade 1 pterygium extending up to one quarter the diameter of the cornea and Group B (24 eyes), grade 2 pterygium extending greater than one quarter. Results:The Majority of the patients were male (3:1) and young, mean 57.59 years old (range 35-90). Of the 38 eyes, 32 were primary pterygia while 6 were recurrent pterygia. Mean follow up was 9.21 months in group A and 9.41 months in group B. The recurrence rate was 0% in both groups and there were no complications in either group. In group A, there was no change in the best-corrected visual acuity. In group B, the best corrected visual acuity improved by a mean of 1.3 lines (range 0-3 lines). In group A, there was no significant change in the postoperative refraction (P= 0.35) and corneal topography. In group B, there was a significant difference between the mean preoperative (+1.98/+1.85x90) and postoperative (+0.47/+0.21x124) refractive power (P<0.001). Conclusion:Pterygium excision with a free conjunctival autograft is effective in reducing recurrence and postoperative complication. It is also effective in decreasing corneal astigmatism in advanced pterygium.
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