<qa>  What was the MH closure defined as?The efficacy of macular hole MH surgery with the halting of prone positioning by monitoring the MH closure in the swept source optical coherence tomographic SS-OCT images was compared with the surgery by the surgeons decision. All eyes were treated by pars plana vitrectomy, internal limiting membrane peeling, and gas tamponade. MH closure was defined as a connection of the edges of the sensory retina in the SS-OCT images.The macular hole closure and visual outcome were compared. 