Ferrara Corneal Ring:
The FERRARA RING™ consists of a semicircular segment with an arc of variable length and a fixed triangular section: AFR(0.60 mm base) and AFR6 (0,80 mm base).
Single Use Implant. Each segment has an orifice of 0.20 mm at each end to facilitate its implantation.
Material: Polymethyl Methacrylate (PMMA) with natural filter for blue light.
AFR (optical area of 5 mm) and AFR6 (optical area of 6 mm).
90°, 120°, 140°, 150°, 160°, 180°, 210°.
0.15, 0.20, 0.25, 0.30, 0.35 mm.