Nisar Ahmed Siyal, Nargis Ashraf, Sharjeel Sultan, Rees Adhi M Idrees.
Amniotic membrane transplantation aft er pterygium excision.
Pak J Surg Jan ;30(4):346-8.

Objective: To assess the eff ectiveness of amniotic membrane transplantation in preventing pterygium recurrence. Study Design: Interventional quasi-experimental study. Place and duration of study: Eye unit 1, Civil hospital Karachi.Study was for 2 years from January 2009 to December 2010. Patients and methods: Sampling Technique: Non-probability purposive sampling. Student’s test was used to compare quantitative variables. Local infi ltration anaesthesia was given with xylocaine.Head and adjacent portion of pterygium was excised with scissors.Remnants on the corneal surface were shaved off with a blade.Amniotic membrane was cut to the size of the defect and applied with 10/0 vicryl. Results:amniotic graft was applied in 11 cases of primary pterygium and 7 cases of recurrent pterygium. Recurrence was seen in 2 cases in each group. Conclusion: Recurrence being seen in 22.22 % patients, amniotic graft is not the preferred method for treating pterygia. Modifications in method of application have brought forward better results.

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