The cushion segments come in three lengths, 7 inches, 10.5 inches or 14 inches. These are trapezoid shapes with a long, flat section in the middle and ramps on the end. They usually cover the full ...

A superior MSICS incision at half-scleral depth was performed, keeping a long tunnel shelf and a trapezoid shape where the internal opening of the incision was a bit wider than the external opening.