| #1 | | | Istanbul, Turkey | | 19+ years | Consultation and individualized treatment planning | Children with retinoblastoma | Offers specialized ocular oncology services with personalized treatment plans. Clinic has International Health Tourism Authorization Certificate and serves both local and international patients. | International Health Tourism Authorization Certificate, Turkish Medical Association |
| #2 | | | Istanbul, Turkey | | 26+ years | Chemotherapy, selective intra-arterial chemotherapy, brachytherapy | Pediatric retinoblastoma cases | Offers two specialized treatments for retinoblastoma (SIAC and brachytherapy). Provides chemotherapy with measures to reduce side effects. JCI-accredited hospital with pediatric oncology specialists. | International Organization for Standardization, Joint Commission International |
| #3 | | | Istanbul, Turkey | | 26+ years | Cryotherapy, Radiation therapy for colorectal cancer | — | — | International Organization for Standardization, Joint Commission International |
| #4 | | | Barcelona, Spain | | 32+ years23,000+ treatments | Retinal detachment surgery, membrane peeling, management of proliferative vitreoretinopathy, removal of subretinal silicone oil | Advanced retinal surgery cases | Offers advanced retinal surgery with Dr. Jordi Monés, who has performed 900+ treatments. JCI accredited with a 4.7 patient rating. | Joint Commission International , European Foundation for Quality Management |
| #5 | | | Istanbul, Turkey | | 21+ years | Consultation with an ophthalmologist | — | — | Joint Commission International , Turkish Medical Association (Türk Tabıplerı Bırliği) |
| #6 | | | Istanbul, Turkey | | 16+ years | Chemotherapy, enucleation, focused ultrasound ablation (HIFU) | Advanced retinoblastoma cases | Offers specialized chemotherapy protocols and surgical options like enucleation for advanced cases. JCI accredited with pediatric oncology expertise. | International Organization for Standardization, Joint Commission International |
| #7 | | | Istanbul, Turkey | | 76+ years | Enucleation of eye, Consultation with an ophthalmologist | — | — | Joint Commission International |
| #8 | | | Tel Aviv, Israel | | 38+ years34,000+ treatments | Chemotherapy for breast cancer, Cryotherapy | — | — | World's Best Smart Hospitals 2021 by Newsweek, World's Best Hospitals 2021 by Newsweek |
| #9 | | | Hamburg, Germany | | 29+ years | Radiation therapy for colorectal cancer, Consultation with an ophthalmologist | — | — | International Organization for Standardization, Medical Travel Quality Alliance |
| #10 | | | Madrid, Spain | | 19+ years | Consultation with an ophthalmologist | — | — | World's Best Hospitals 2021 by Newsweek |