Vitreous tamponades are substances that are injected into the eye during vitreoretinal surgery to act as an internal tamponading agent. They are designed to press against retinal breaks or tears to prevent the ingress of fluid into the subretinal space, which causes retinal detachment. By tamponading the retinal breaks, these substances help attach the retina and promote healing. https://timessquarereporter.com/health/vitreous-tamponades--understanding-their-uses-and-types-in-vitreoretinal-surgery