Abstract
Purpose: To compare the long-term follow-up results of the bare sclera technique (BST), limbal-conjunctival autograft technique (LCAT) and amniotic membrane graft technique (AMGT) in primary pterygium excisions. Materials and Methods: In this study, 48 eyes of 48 patients who underwent pterygium surgery using BST (group 1), 63 eyes of 63 patients who underwent pterygium surgery using LCAT (group 2) and 52 eyes of 52 patients who underwent pterygium surgery using AMGT (group 3) were compared with respect to corneal epithelialization, recurrence and complication of the procedures. The mean ages of the groups were 47.88 ± 14.21 years in group 1, 49.63 ± 14.42 years in group 2 and 47.92 ± 15.52 years in group 3. Patients were followed up to 72.39 ± 11.03 months in group 1, 69.91 ± 12.41 months in group 2 and 61.43 ± 9.83 months in group 3. Results: Postoperative corneal epithelialization was completed in 5.62 ± 1.74 days in group 1, 4.33 ± 0.91 days in group 2 and 4.79 ± 1.39 days in group 3. Corneal epithelialization time was earlier in group 2 than in groups 1 (p < 0.01) and 3 (p < 0.05). Recurrences were detected in 19 eyes (39.58%) in group 1, 11 eyes (14.29%) in group 2 and 12 eyes (23.08%) in group 3. The recurrence rate was significantly lower in group 2 than in groups 1 and 3 (p < 0.001). Postoperative complications were not seen in any of the groups. Graft retraction and necrosis were not detected in the LCAT and AMGT groups during the follow-up period. Conclusions: LCAT was found to be a more effective procedure than BST and AMGT, with decreased recurrence rates after pterygium excision. Limbal-conjunctival autograft seems to be a useful treatment in pterygium surgery due to higher success rates and lower recurrence rates. Amniotic membrane grafts may be an alternative surgical technique for pterygium treatment for patients with or without glaucoma who might need glaucoma surgery in the future.
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