| #1 | | | Munich, Germany | | 28+ years | — | — | — | Certification according to DIN EN ISO 9001 by TÜV NORD CERT |
| #2 | | | Hamburg, Germany | | 29+ years | Lamellar keratoplasty, posterior lamellar keratoplasty, anterior lamellar keratoplasty, penetrating keratoplasty | Advanced Keratoconus cases | Specializes in lamellar techniques, reducing full-thickness transplants to only 20% of cases. Offers comprehensive corneal exams and personalized treatment plans. JCI-accredited facility. | International Organization for Standardization, Medical Travel Quality Alliance |
| #3 | | | Duisburg, Germany | | 114+ years | Iontophorese crosslinking, optical coherence tomography, fluorescein angiography | Progressive keratoconus cases | Offers iontophorese crosslinking, a specialized treatment for progressive cases. Comprehensive diagnostics include OCT and fluorescein angiography. Lower cost compared to other German hospitals. | German Cancer Society, Cooperation for transparency and quality in the health service |
| #4 | | | Hamburg, Germany | | — | — | — | — | International Organization for Standardization, CERTKOM certificate for qualified pain therapy |
| #5 | | | Hamburg, Germany | | 55+ years | — | — | — | World's Best Hospitals 2021 by Newsweek |
| #6 | | | Hamburg, Germany | | 36+ years | Corneal Cross Linking (CCL) (One eye), Corneal ring implantation | — | — | International Organization for Standardization, TOP German hospital according to 2019 Focus ranking |
| #7 | | | Berlin, Germany | | — | Corneal transplant | — | — | — |
| #8 | | | Bremen, Germany | | 175+ years | Corneal transplant, Ophthalmological investigation | — | — | International Organization for Standardization, TOP German hospital according to 2019 Focus ranking |
| #10 | | | Berlin, Germany | | 56+ years5,000+ treatments | — | — | — | German Cancer Society, TOP German hospital according to 2019 Focus ranking |