Best Countries for Retinal Nerve Fiber Layer Measurement (RNFL) Abroad: TOP-27 Clinics

Dunyagoz Eye Hospital Istanbul Etiler uses Optical Coherence Tomography (OCT) for detailed retinal nerve fiber layer analysis. This modality helps detect early thinning related to neurodegenerative conditions. The exam typically costs around $100–$110. The facility holds the TÜV NORD CERT ISO 9001 and the International Health Tourism Authorization Certificate. It provides these scans in an outpatient setting for disease progression monitoring. Specialists perform the analysis to track optic nerve health over time.

Dunyagoz Eye Hospital Istanbul Altunizade conducts retinal nerve fiber layer measurements during a one-day outpatient visit. Prof. Dr. Hamdi Er performs the examination with over 25 years of experience in ophthalmology. He is an active member of the American Academy of Ophthalmology and has over 60 international publications. An initial check-up typically costs around €800. This price generally includes both the eye examination and the RNFL measurement. The clinic is part of a network treating over 60,000 patients annually.

Centro Médico Teknon is a private multi-specialty medical center in Barcelona, Spain, and part of Quirónsalud, Spain’s largest private hospital group. The center specializes in neurosurgery, orthopedics, oncology, and heart surgery, with expertise also covering cardiology, fertility, ophthalmology, and advanced diagnostics. JCI accredited and recognized as one of Barcelona’s leading private hospitals, Centro Médico Teknon treats complex cases and welcomes international patients, including public figures, athletes, and celebrities. The center serves adults only and welcomes around 10,000 patients each year, with patients most often coming from Russian-speaking countries, Europe and the Commonwealth, the USA, Canada, and Australia.

Dunyagoz Eye Hospital Istanbul Atakoy uses OCT scanners for precise retinal nerve fiber layer measurement. The facility is JCI-accredited and maintains an International Health Tourism Authorization Certificate. A measurement may cost around $110. This hospital belongs to the Dünyagöz Hospitals Group and operates 24/7. Specialists here use these scans to monitor optic neuritis and MS progression. The test results help track fiber thinning linked to brain plaque changes. Computerized visual field exams are also available at this Istanbul location.

Lokman Hekim Istanbul Hospital is a JCI-accredited private medical center in Istanbul. It treats 10,000+ patients each year. Core specialties are neurosurgery, orthopedics, spinal surgery, and weight loss surgery.

• Holds ISO 9001 certification from TÜV NORD CERT.
• 90 physicians work across 35 departments.
• Patients come from CIS, Africa, and the Arab League.
• Formerly known as Adatip International Hospital.
• Serves both adults and children.

Sourasky Medical Center performs retinal nerve fiber layer measurements using optical coherence tomography (OCT). This non-invasive modality provides detailed digital imaging for assessing optic nerve health. The JCI-accredited facility houses a dedicated Division of Ophthalmology where specialists interpret the results. Patients receive a written report and digital analysis. The clinic provides interpreters and coordinates results in English or Russian. Associated assessments like visual field testing and eye angiograms are also available within the same outpatient department.

Emsey Hospital is a multi-specialty medical center on the Asian side of Istanbul. It is the first hospital to receive the International Health Tourism Authorization Certificate (001) from the Turkish Ministry of Health. The hospital is especially known for orthopedics, spine surgery, bone marrow transplantation, and oncology.

• First EUROSPINE-certified Surgical Spine Centre of Excellence in Turkey and Asia.
• One of the largest bone marrow transplant units in the region with 45 beds.
• JCI-accredited since 2017, also holds ISO 9001 and TÜSKA certificates.
• Offers PET-CT, 3 Tesla MRI, LINAC Trilogy, and nuclear medicine therapies.
• Provides airport transfers, interpreters, and accommodation for international patients.

Hospital HM Nou Delfos is part of HM Hospitals, the largest private hospital network in Spain. This comprehensive medical-surgical center in Barcelona specializes in surgery, oncology, orthopedics, and cardiology. It holds EFQM excellence recognition and TÜV NORD ISO 9001 certification.

• Treats 400,000 patients per year across 40 departments and 200 physicians.
• Uses an EOS imaging system for high-precision musculoskeletal scans and two radiotherapy units.
• Has an agreement with Institut Guttmann, a JCI-accredited neurorehabilitation hospital.
• Offers specialized diagnosis and treatment for epilepsy through its neurology department.

Avicenna Med Medical Center in Kyiv handles over 5,000 patients and 1,000 surgeries each year. It focuses on bariatric surgery, gynecology, urology, and plastic surgery. The clinic uses 3D laparoscopic techniques for faster recovery.

• 98% success rate for endoscopic procedures and 99% for surgical interventions.
• Minimally invasive 3D laparoscopic approach reduces recovery time for bariatric and urology patients.
• Treats gynecological conditions and plastic surgery cases as core specialties.