The prevailing standard of care for primary repair of full-thickness macular holes (FTMHs) is pars plana vitrectomy with internal limiting membrane (ILM) peeling and gas tamponade, as it gives a high closure rate of roughly 90%. On the other hand, the surgical management of recurrent and refractory FTMHs represents, so far, a demanding and debated subject in vitreoretinal surgery since various approaches have been proposed, with no consensus concerning both adequate selection criteria and the best surgical approach. In addition, the existence of multiple case series/interventional studies showing comparable results and the lack of studies with a direct comparison of multiple surgical techniques may lead to uncertainty. We present an organized overview of relaxing retinotomy technique, a surgical approach available nowadays for the secondary repair of recurrent and refractory FTMHs. Besides the history and the description of the various techniques to perform relaxing retinotomies, we underline the results and the evidence available to promote the use of this surgical approach.
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