Ferrara Ring


Brand name AFR (optical area of 5 mm) and AFR6 (optical area of 6 mm).
Definition Intrastromal Corneal Implants.
Arc 90°, 120°, 140°, 150°, 160°, 180°, 210°, 300°, 320° *Other arc lengths upon request.
Thickness 0.15, 0.20, 0.25, 0.30, 0.35 mm.
Indications The correct indication of Ferrara Ring implants requires a detailed evaluation of the
topographic conditions and pachymetry of the cornea, in addition to a complete
visual examination.
• Progressive keratoconus.
• Keratoconus with intolerance to contact lenses.
• Corneal deformity induced by contact lenses (Harstein’s syndrome).
• Post-penetrating keratoplasty astigmatism.
• Post-Lasik corneal ectasias.
• Post-radial keratotomy astigmatism.
• Pellucid marginal degeneration.
Product description The FERRARA RING™ consists of a semicircular segment with an arc of multiple lengths
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
Material Polymethyl Methacrylate (PMMA) with natural blue light filter.
Sterilization method Ethylene Oxide (ETO).
Supply Individual sterile segment, not pyrogenic.
Shelf-life 4, 5 years