Scleral loop to fixate an encircling band

Bernd Kirchhof
The standard fixation of an encircling belt is a permanent scleral suture. Sutures have the disadvantage that they eventually may protrude through the conjunctiva, they may cut through the sclera causing dislocation of the belt, or they may be assciated with infections. The scleral loop requires only a round knife (Teller-Messer), formed like a plate. In case of very thin (blue) sclera a suture will not hold and extra sclera need to be sutured onto...