Purpose: Conjunctivolimbal autograft is proposed to be the best treatment for pterygium and autograft can be fixed either with sutures or without. This study was undertaken to assess and compare the efficacy of sutureless versus suture techniques for conjunctivolimbal autografting in primary pterygium.Methods: A prospective observational study was conducted in the department of ophthalmology in a tertiary care center from March 2018 to September 2019.