| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.8 / 5 (235) | Istanbul, Turkey | — | — | Electroretinography | — | — | Certification according to DIN EN ISO 9001 by TÜV NORD CERT, Joint Commission International | |
| #2 | 5.0 / 5 (55) | Istanbul, Turkey | — | — | Electroretinography | — | — | Joint Commission International , International Organization for Standardization | |
| #3 | 4.6 / 5 (535) | Istanbul, Turkey | — | — | Laser eye surgery | — | — | Planetree's Gold Certificate, International Accreditation System for Interventional Oncology Services (IASIOS) | |
| #4 | 4.5 / 5 (495) | Istanbul, Turkey | — | — | Corneal transplant | — | — | Joint Commission International , Patient choice in Pediatric Oncology & Hematology Oncology | |
| #5 | 4.7 / 5 (44) | Barcelona, Spain | — | 14,000+ treatments | Electroretinography | — | — | Bookimed Award: Best pediatric hospital, World's Best Specialized Hospitals 2022 by Newsweek | |
| #6 | 4.6 / 5 (131) | Bangkok, Thailand | — | — | ReLEx SMILE eye surgery, LASEK eye surgery | — | — | International Organization for Standardization, Joint Commission International | |
| #7 | 4.8 / 5 (55) | Milan, Italy | — | 8,000+ treatments | Electroretinography | — | — | Scientific Institute for Research and Healthcare Accrediatation, World's Best Hospitals 2021 by Newsweek | |
| #8 | 4.8 / 5 (6) | Seoul, Republic of Korea | — | 32,000+ treatments | Corneal transplant | — | — | Global Healthcare Accreditation Program, World's Best Hospitals 2021 by Newsweek | |
| #9 | 3.5 / 5 (4) | Seoul, Republic of Korea | — | — | Electroretinography | — | — | Joint Commission International , Korean Institute for Healthcare Accreditation | |
| #10 | 3.4 / 5 | Rehovot, Israel | — | — | Electroretinography | — | — | — |