Ferrara Ring

/Ferrara Ring
Ferrara Ring2022-11-02T10:03:48+00:00


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
  Product with   CE   marking


Optical areaAFR= Optical Ferrara Ring 5 mm
AFR6= Optical Ferrara Ring 6 mm
Thickness0.15 mm, 0.20 mm, 0.25 mm, 0.30 mm, 0.35 mm.
Angle90°, 100°, 110°, 120°, 130°, 140°, 150°, 160°, 170°, 180°, 190°, 200°, 210°, 300°, 320°.

Reference: AFRXXYYY

Reference: AFR6XXYYY


  • Optical Ferrara Ring 5 mm
  • Thickness 0.15 mm
  • Angle 160


  • Optical Ferrara Ring 6 mm
  • Thickness 0.20 mm
  • Angle 150°

XX= Thickness of the ring
YYY=Angle of the ring




Technical Sheets
Clinical Studies
Ferrara Web
Ring 300º
Ring 320º


Keratoconus Nomogram is developed by AJL Ophthalmic, S.A. and helps you out in the necessary calculations when using Ferrara and Intacs segments for the treatment of various pathologies.


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