| #1 | | | Barcelona, Spain | | 26+ years23,000+ treatments | Corneal cross-linking, corneal transplant, topography-guided treatments, customized contact lenses | Complex keratoconus cases | Offers advanced corneal cross-linking with 900+ procedures performed. JCI accredited clinic with specialized ophthalmologists like Dr. Jordi Monés. | Joint Commission International , European Foundation for Quality Management |
| #2 | | | Madrid, Spain | | 19+ years | Corneal transplant, consultation and individualized treatment planning | Advanced keratoconus cases | Offers corneal transplant for advanced keratoconus. Part of Quirónsalud Hospitals group, known for high-quality care. Special price available at EUR 12,000. | World's Best Hospitals 2021 by Newsweek |
| #3 | | | Madrid, Spain | | 27+ years | — | — | — | European Foundation for Quality Management, Certification according to DIN EN ISO 9001 by TÜV NORD CERT |
| #4 | | | Pamplona, Spain | | 64+ years | Consultation and individualized treatment planning | International patients | JCI-accredited hospital with experience treating patients from 70 countries. Recognized as Spain's best private hospital by MERCO. | Joint Commission International , European Society for Medical Oncology |
| #5 | | | Barcelona, Spain | | 31+ years | — | — | — | European Foundation for Quality Management, Certification according to DIN EN ISO 9001 by TÜV NORD CERT |