From: The use of intracorneal ring segments in keratoconus
Design
Intacs SK
Myoring
Arc length (degrees)
150°
360°
Cross section
Oval
Triangular
Thickness (mm)
0.40–0.45
0.15–0.35
Inner diameter (mm)
6.00
5.00–8.00
Outer diameter (mm)
7.00