34 Best Optic Nerve Atrophy Doctors Worldwide

Dr. Fevzi Akkan is an ophthalmologist at Dunyagoz Eye Hospital in Istanbul. He achieved a national milestone by performing the first bionic eye surgery in Turkey. Dr. Akkan specializes in retinal treatments and cataract surgery using multifocal lens implants. He is a member of the American Academy of Ophthalmology.

• Winner of the TOD Best Surgical Video Award for his groundbreaking surgical work.
• Performs laser vision correction including LASIK, LASEK, and ReLEx SMILE procedures.
• Treats complex retinal conditions and provides comprehensive eye examinations.
• Works at ISO-certified Dunyagoz Hospital, which treats 66,000 patients every year.

Dr. Hamdi Er is an ophthalmologist at Dunyagoz Eye Hospital Istanbul Altunizade. He completed fellowships at Moorfields Eye Hospital and the Doheny Eye Institute. Dr. Er specializes in retinal transplantation and vision correction surgery. He works at a hospital treating 62,000 eye patients annually.

• Clinical training at University of California San Diego and Baylor College of Medicine.
• Member of the American Academy of Ophthalmology and European VitreoRetinal Society.
• Performs LASIK, ReLEx SMILE, and cataract surgery with multifocal lens implants.
• Specialized in retinal detachment surgery, vitrectomy, and keratoplasty.

Dr. Anil Kubaloglu has performed over 30,000 eye surgeries at Dunyagoz Eye Hospital. He specializes in cataract removal, keratoconus treatment, and laser vision correction. Dr. Kubaloglu has authored over 100 scientific publications in ophthalmology. He practices at a center certified by TÜV NORD for quality management.

• Specializes in ReLEx SMILE, LASIK, and multifocal lens implants.
• Treats complex corneal conditions and presbyopia using modern surgical techniques.
• Member of the American Academy of Ophthalmology and the ASCRS.
• Fellow of the European Society of Cataract and Refractive Surgeons.

Dr. Muhammet Derda Ozer is an associate professor and ophthalmologist at his JCI-accredited clinic in Istanbul. He completed a fellowship in vitreo-retina at the University of Kansas Medical School. Dr. Ozer has performed over 25,000 surgical procedures during his clinical practice. He holds the Advanced Examination certificate from the International Council of Ophthalmology.

• Specializes in cataract surgery, refractive laser vision correction, and retina care.
• Treats complex conditions including ocular oncology and pediatric retinoblastoma.
• Passed USMLE Step 1 and Step 2 CK for US medical licensure.
• Active member of the Young Ophthalmologist Council within the Turkish Ophthalmological Association.

Op. Dr. Yalçın İşcan is an ophthalmologist. He graduated from Istanbul University in 2005. He completed his ophthalmology residency at Bakırköy Dr. Sadi Konuk Training and Research Hospital in 2010. He has more than 15 years of specialist experience. He performed thousands of eye surgeries at Batman Regional Hospital between 2011 and 2015. He worked at Private Batman Dünya Hospital from 2015 to 2025.

At Dünya Hospital, he provided care in cataract surgery, corneal transplantation, refractive procedures (PRK, LASIK, SMILE, phakic IOL), strabismus, oculoplastics, lacrimal surgery, pterygium, and keratoconus treatments (CXL, ICRS). He helped develop the unit into a regional referral center. Since 2023, he has also practiced two days a week at Pendik Medical Park and Kudret Göz Istanbul. Since 2020, he has been active in R&D. He founded a technopark start-up and built an AI-based red-eye decision support system. He continues to develop ophthalmic software and devices. He has several publications.

Dr. Derda Ozer is an ophthalmologist at Valued Med Hub Hospitals in Istanbul. He specializes in ocular oncology and surgical retina treatments. Dr. Ozer has published over 35 research papers in journals like Cornea and International Ophthalmology. He focus on imaging and new treatments for vascular eye diseases.

• Completed the ICO-STAAR surgical fellowship in vitreo-retina.
• Treats complex conditions like uveitis, macular degeneration, and retinal detachment.
• Performs vitrectomy, keratoplasty, and cataract surgery with IOL replacement.
• Practice is based at a government-authorized center for international health tourism.

Dr. Ferran Mascaró Zamora is the chief of ophthalmology at Centro Médico Teknon in Barcelona. He specializes in lens, refractive, and complex orbital surgery. Dr. Mascaró Zamora is a recognized expert in oculoplastics and lacrimal duct procedures. He earned his doctorate at the Autonomous University of Barcelona with honors.

• Directs the Orbital and Oculoplastics Department at Teknon.
• Accredited specialist in orbital tumors and decompression surgery for thyroid disease.
• Co-authored three books on ophthalmology and published original research in specialized journals.
• Fellow of the Spanish Society of Ocular and Orbital Plastic Surgery.

Dr. Nesrin Tutas Gunaydin is an ophthalmologist at Memorial Goztepe Hospital in Istanbul. She has published over 30 scientific papers in national and international medical journals. Dr. Gunaydin previously served as Chief Assistant at Dr. Lutfi Kirdar Kartal City Hospital. She is a member of the European Society of Cataract and Refractive Surgeons.

• Holds a certification in corneal transplantation.
• Certified as an Eye Bank Medical Director.
• Contributed to five medical book chapters, including international publications.
• Translated major clinical texts like Vaughan & Asbury: General Ophthalmology.

Dr. Luis Padilla is a gynecologic oncologist and regenerative medicine specialist in Puerto Vallarta. He helped introduce the da Vinci Robotic Assisted Surgical System to enhance minimally invasive surgery. Dr. Padilla treats patients at Immunotherapy Regenerative Medicine. The clinic holds CSG accreditation and serves 1,000+ international patients annually.

• Served as Director of the National Health Service Corps (NHSC).
• Former Associate Administrator for Health Workforce at HRSA.
• Winner of the People’s Choice Award and People Living Through Cancer Award.
• Specializes in stem cell therapy for chronic and degenerative diseases.

Dr. Chutichate Pawaropart is a neuro-ophthalmology subspecialist at Navamin 9 Hospital in Bangkok. He completed his medical degree and ophthalmology certification at Chulalongkorn University. Dr. Pawaropart received specialized neuro-ophthalmology training at Sorbonne University in Paris. He effectively treats patients in English, Thai, and French.

• Specializes in cataract surgery including phacoemulsification and IOL replacement.
• Performs neuro-ophthalmic exams to diagnose complex vision and nerve conditions.
• Treats corneal trauma, pterygium, and macular dystrophy.
• Practices at Navamin 9 Hospital, a JCI-accredited facility in Thailand.

Dr. Abdullah Ozkaya is an ophthalmologist at Memorial Şişli Hospital in Istanbul. He specializes in retinal detachment surgery, vitrectomy, and laser eye procedures. Dr. Ozkaya has published over 80 articles in international journals. His surgical research has earned more than 500 citations from other medical experts. He treats patients at a JCI-accredited facility recognized for high surgical success rates.

• Member of the European Vitreoretinal Society and Turkish Ophthalmology Society.
• Teaches as a faculty member at Aydin University in Istanbul.
• Performs LASIK and macular degeneration surgery alongside complex vitreoretinal repairs.
• Expert in diagnostic tests including slit lamp exams and vision field studies.

Dr. Ümit Aykan is an ophthalmologist at Dunyagoz Eye Hospital Istanbul Etiler. He specializes in the early detection and management of glaucoma. He utilizes multidiode laser treatments to eliminate the need for direct eye intervention. This method is highly effective for patients unable to use medication. Dr. Aykan is a Fellow of the European Board of Ophthalmology (FEBO).

• Completed training at the Glaucoma Research and Education Group in San Francisco.
• Performs cataract surgery and multifocal lens implantation.
• Maintains membership in the American Academy of Ophthalmology.
• Practices at a clinic certified by TÜV NORD for quality management.

Dr. Yavuz Kamil Bardak is an eye surgery specialist at Dunyagoz Eye Hospital Istanbul Etiler. He won the Troutman Award for his research on laser thermal keratoplasty. Dr. Bardak treats cataract and performs complex lens replacements. He completed a fellowship at the University of Nijmegen in the Netherlands.

• Winner of the Prof. Dr. Demir Başar Award for oxidative stress research.
• Received the Best Paper Award at the 28th National Congress of EOD.
• Performs cataract surgery with IOL and multifocal lens implants.
• Works at a TÜV NORD-certified clinic that treats 66,000 patients annually.

Place and Date of Birth 
Ankara, 1980 

Foreign Languages 
English 

Education and Experience 
1998 – 2004 Gülhane Military Medical Academy, Faculty of Medicine 
2005 – 2007 6th Motorized Infantry Brigade Infirmary, Şırnak (General Practitioner) 2007 – 2011 Gülhane Military Medical Academy, Department of Ophthalmology (Specialization) 
2011 – 2018 Isparta Military Hospital / Isparta Yunus Emre State Hospital (Specialist Physician) 
2018 – 2022 Süleyman Demirel University, Department of Ophthalmology (Assistant Professor) 
2019 – 2019 Gülhane Military Medical Academy, Department of Ophthalmology Vitreoretinal Surgery Course 
2022 – 2024 Lara Anatolia Hospital (Associate Professor) 

Number of Scientific Publications 
Over 50 scientific publications 
 

Clinical Experience 
13 years of active practice in ophthalmology; experience with over 10,000 cases 

Procedures Performed

• Cataract surgery with IOL replacement (Single and both eyes)
• LASIK and IntraLase laser eye surgery
• ReLEx SMILE and Photorefractive keratectomy (PRK)
• Corneal Cross Linking (CCL) for keratoconus
• Strabismus treatment and surgical correction
• Artisan Iris and Claw Lens applications
  Oculoplasty (eyelid surgery)
  
  Professional Memberships 
  Turkish Ophthalmological Association (TOD)
  American Academy of Ophthalmology (AAO) 
  
  Certifications 
  International Council of Ophthalmology (ICO) – Optics, Refraction & Instruments (2019)
   International Council of Ophthalmology (ICO) – Basic Sciences (2019) International Council of Ophthalmology (ICO) – Clinical Examination (2020) International Council of Ophthalmology (ICO) – Fellowship of the International Council of Ophthalmology (FICO) (2021) 
  European Board of Ophthalmology – Fellowship of the European Board of Ophthalmology (FEBO) (2021) 
  Awards 3rd Place for Best Research, 43rd National Congress of the Turkish Ophthalmological Association (TOD), 2009 
   

Books/Book Chapters 
Umut Karaca, *Healthy Generation, Secure Future: A Guide to Growth, Development, and Nutrition for School-Aged Children (for Families and Teachers)* – Chapter: "Vision Problems" (2021) 
Umut Karaca, *COVID-19 Pandemic: Current Approaches* – Chapter: "The Impact of the COVID-19 Pandemic on Clinical Ophthalmology Practice" (2021) 
Umut Karaca, *Physical Examination Handbook (Süleyman Demirel University Faculty of Medicine)* – Chapter: "Strabismus Examination" (2019)
Umut Karaca, Murat Küçükevcilioğlu, Ali Hakan Durukan – *Pediatric Vitreoretinal Surgery* – Chapter title:(Closed Globe Injuries) (2023)

Dr. Nurullah Bulut is an Associate Professor of ophthalmology at Memorial Göztepe Hospital. He holds a patent application for a unique intraocular lens design. Dr. Bulut trained in vitreoretinal surgery at the University of Chicago. He also completed ocular electrophysiology training in Germany. He is an expert in laser vision correction and retinal surgery.

• Published 26 peer-reviewed articles in international medical journals.
• Presented 29 scientific papers at global ophthalmology conferences.
• Maintains membership in EURETINA YOURS and the Turkish Ophthalmological Society.
• Practices at the JCI-accredited Memorial Health Group in Istanbul.

Dr. Semra Coskun has performed over 5,000 eye surgeries at Dunyagoz Eye Hospital Antalya. She is an eye surgery specialist focusing on cataracts and retinal conditions. Dr. Coskun provides care in English, Serbian, and Albanian. She was trained at the prestigious Cerrahpaşa School of Medicine.

• Specializes in vitrectomy, retinal detachment surgery, and IOL implantation.
• Maintains membership in the American Academy of Ophthalmology.
• Authored more than 30 scientific publications in the field of ophthalmology.
• Works at a specialized clinic treating 30,000 patients annually.

Dr. Ahmad Abdullayev is an ophthalmologist. He provides medical and surgical care for a wide range of eye diseases.

He performs cataract surgery with monofocal, EDOF, and trifocal lenses. He also performs secondary lens placement. He offers excimer laser vision correction, including Femto-LASIK, PRK, and SMILE. He provides medical and surgical care for glaucoma. He treats retinal diseases with medical therapy. He performs strabismus surgery. He manages corneal diseases, including keratoplasty and keratoconus cross-linking. He treats uveitis. He performs lacrimal pathway procedures, including DSR operation and pediatric probing.

Education: Azerbaijan Medical University, General Medicine (2004–2010). Ankara University, Department of Eye Diseases, specialist training (2011–2015).

Dr. Yucel Ozturk is an ophthalmologist at Dunyagoz Eye Hospital Istanbul Atakoy. He has performed over 30,000 surgical cases. Dr. Ozturk treats complex eye conditions like optic nerve atrophy and cataracts. He works at a JCI-accredited facility that treats 50,000 patients annually.

• Specializes in vitrectomy, keratoplasty, and retinal detachment surgery.
• Authored 20 international and national scientific publications.
• Member of the Turkish Ophthalmology Association.
• Performs cataract surgery with IOL replacement and phacoemulsification.