English to Swedish Tech/Engineering Medical: Health Care

"Scleral buckling involves fine bands of silicone rubber or sponge that are stitched onto the sclera in the area where the retina has detached. The bands act like a buckle and press the sclera in towards the middle of the eye, so the torn retina can lie against the wall of the eye."

Texten handlar om ögonhälsa, näthinneavlossning etc. I anslutning av detta vore det även intressant att veta hur "buckle" bör översättas i sammanhanget.