Ferrara Ring


Brand nameAFR (optical area of 5 mm) and AFR6 (optical area of 6 mm).
DefinitionIntrastromal Corneal Implants.
Arc90°, 120°, 140°, 150°, 160°, 180°, 210°, 300°, 320° *Other arc lengths upon request.
Thickness0.15, 0.20, 0.25, 0.30, 0.35 mm.
IndicationsThe 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 descriptionThe 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
MaterialPolymethyl Methacrylate (PMMA) with natural blue light filter.
Sterilization methodEthylene Oxide (ETO).
SupplyIndividual sterile segment, not pyrogenic.
Shelf-life4, 5 years