The prophylactic encircling scleral buckle consisted of a 3mm silicone band sutured to the 9 12mm from the limbus and tightened to achieve a moderate buckling efect.

• 环扎术采用3mm宽的硅胶带置于角巩缘后9mm至12mm之间，形成一个中等高度的巩膜嵴。