Scleral buckles are devices implanted into the eye for the treatment of rhegmatogenous retinal detachment. Scleral buckling is performed to relieve vitreous traction which closes the defects in the retina and reduces the chances of recurrent detachment. The buckles are small bands often made from silicon which are usually sutured into the surface of the sclera 1.
In addition to device infection, erosion, intrusion and extrusion are possible complications.
Erosion occurs when the implant erodes through the sclera and enters the subretinal space. If this progresses further, it can enter the vitreous cavity at which time it is referred to as an intrusion 3.
The opposite can also occur when the implant erodes through superficial tissues (through the scleral flaps, Tenon’s capsule, and conjunctiva) eventually protruding out of the orbit 4.
Extrusions are more common and easier to treat usually by removal of the implant 4.
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