Comparison of three different surgical excision of pterygium

Objective To observe the clinical efficacy of mitomycin C or amniotic membrane ransplantation for pterygium excision in the pplication.Methods Of clinical needs were treated cases of pterygium excision surgery were randomly divided into 3 groups,group A for the simple pterygium excision.group B pterygium excision combined with mitomycin C.Pterygium surgery on scleral surface area and placed under the conjunctiva 0.4 mg/ml MMC 3 min.Pterygium excision with group C,amniotic membrane transplantation.Sclera pterygium excision area in the implant surface dried amniotic membrane grafts of Ruiji.1 week,2 weeks,1 month,3 months,1 year,2 years inspection records eye surgery lications and recurrence.Results Followed up for 6 months-3 years,group A of 68 eyes of 22 recurrence(32.4%);group B 72 eyes of 12 recurrences(16.67%);group C of 60 eyes of 5 recurrences(8.3%).Group A and group B,group A and group C(P0.05),differences were significant;group B and group C(P0.05),relapse rate was no significant difference.Conclusion Pterygium excision combined with mitomycin C or amniotic membrane transplantation,surgical safety,can reduce the recurrence rate after pterygium xcision.