Ferrara Ring
| Reference | 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 implantation. |
| 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 |