PurposeWe present a case of transmuscular migration of a solid encircling silicone band through all four rectus muscles. ObservationsA 33-year-old male with high myopia presented with a progressively worsening subclinical peripheral rhegmatogenous retinal detachment in his left eye. An encircling silicone band (#240) was placed anterior to the equator. and 5-0 polyester sutures (Ethicon. https://www.bekindtopets.com/flash-find-Expansion-Board-2-0-for-Pycom-IoT-Development-Boards-Discontinued-clearance/