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Purpose: To study the outcome of amniotic membrane graft versus conjunctival autograft after primarypterygium excision surgeries amongst various genders and age groups and to compare recurrences,complications and pre and post-operative astigmatism in various grades of nasal and temporal pterygium.Materials and Methods: A total of 90 eyes of 90 patients with previously unoperated primary pterygiumwere enrolled in a randomised control trial. The patients had a follow-up of 6 months during analysisand the results were compared retrospectively with patients who had pterygium excision surgeries withconjunctival autografts performed by the same surgeon.Results: A higher proportion of males underwent grafting with amniotic membrane while more femalesunderwent conjunctival autografting. The p value =0.011 was significant. A higher proportion of patientswere between the ages of 31-40 years and the p value=0.001 was significant. A majority of patientsfrom both groups had nasal pterygium with p value=0.026 being significant. The overall astigmatism preoperatively from both groups=0.431 and 0.143 postoperatively.Conclusion: Amniotic membrane grafting in primary pterygium surgery led to fewer complications,recurrences and astigmatism postoperatively and was more useful in patients who may have lesser amountsof conjunctiva for future surgeries.Keywords: Pterygium excision, Amniotic membrane graft, Conjunctival autograft.

Randomised controlled study of amniotic membrane graft versus conjunctival autograft in primary pterygium excision