Dr Theppachai Thammikasakul is a specialist ophthalmologist at Intrarat Hospital with advanced fellowship training in corneal and refractive surgery from Khonkaen University.

• Completed his medical degree at the prestigious Phramongkutklao College of Medicine
• Holds an Ophthalmology Certificate from Phramongkutklao Hospital
• Specialises in precise laser applications for corneal and refractive conditions
• Provides expert care for complex ocular pressure management within a modern hospital setting

The doctor is a seasoned Ophthalmologist and Cornea Specialist with over a decade of experience. Based in Istanbul, Turkey, the doctor has mastered a wide array of ophthalmic procedures. The doctor completed post-graduation from Beyoğlu Eye Hospital and graduated from Istanbul University Faculty of Medicine in 2006.

Professor Zeynep Alkin is a distinguished ophthalmology specialist with advanced research training from the Doheny Eye Institute at the University of Southern California.

• Specialises in anterior segment morphology and laser applications for glaucoma and retinal conditions
• Former Assistant Professor at Beyoglu Eye Training and Research Hospital
• Published extensive research on laser trabeculoplasty and pupil diameter changes after laser therapy
• Executive member of both the Medical and Surgical Retinal Boards of the Turkish Ophthalmological Society

Professor Ali Riza Cenk Celebi is a highly credentialed glaucoma specialist who completed a prestigious fellowship at the Harvard Medical School Massachusetts Eye and Ear Infirmary.

• Holds a Fellowship from the Royal College of Surgeons of Edinburgh (RCSEd)
• Active member of the Glaucoma Unit within the Turkish Ophthalmological Association
• Certified by the European Board of Ophthalmology (FEBO) and the International Council of Ophthalmology (FICO)
• Expertise includes minimally invasive glaucoma surgery and advanced ocular surface treatments
• Published 58 international articles and authored 15 medical books on eye care

Professor Birgi Sönmezer is a highly skilled ophthalmologist at the Medical Park Antalya Hospital Complex who specialises in precision laser eye surgery.

• Trained at the Istanbul Faculty of Medicine – one of Turkey's most prestigious medical schools
• Completed advanced post-specialisation training in retina and vitreoretinal surgery
• Served as a founding partner at Kayseri Maya Eye Hospital
• Spent over a decade at the renowned World Eye Hospital in Antalya
• Focuses on therapeutic laser treatments for complex eye conditions

Dr Begendi is an ophthalmology specialist at Istanbul Florence Nightingale Hospital with a focus on precision laser eye treatments.

• Specialises in laser iridotomy and femtosecond laser procedures
• Maintains an active research profile with published findings in peer-reviewed journals
• Member of the Turkish Ophthalmology Association
• Trained at Akdeniz University and Istanbul Bilim University School of Medicine

Prof. Yusuf Yıldırım, M.D.

Ophthalmology

Areas of Expertise and Interest

• Cataract and Refractive Surgery
• Cornea and Ocular Surface Diseases
• Ocular Surface Reconstruction
• Cornea Transplantation (PK, DALK, DMEK)
• Refractive Surgery (PRK, LASIK, SMILE, phakic IOLs)

Education and Career

• 2006 – 2010, Beyoğlu Eye Training and Research Hospital / Resident in Ophthalmology
• 2007, Sub-Investigator, Clinical Trial on Age-Related Macular Degeneration (Neovista, Inc.)
• 2009 – 2011, Sub-Investigator, Keraflex Treatment for Myopia (Avedro, Inc.)
• 2016, European Board of Ophthalmology (FEBO) Certification
• 2018, International Council of Ophthalmology (FICO) Certification
• 2019, Cornea and External Disease Subspecialty Diploma
• 2020, Membership, Royal College of Surgeons of Edinburgh
• Until 2024, Professor and Clinical Education Chief, Başakşehir Çam and Sakura City Hospital
• 2024 – Present, Professor and Clinical Educator, Istanbul Medipol University, Medipol Acıbadem District Hospital

Career

Born in Trabzon in 1982, Prof. Yusuf Yıldırım completed his high school education at Kanuni Anatolian High School and earned his medical degree from Istanbul University Faculty of Medicine in 2006. He pursued his residency at Beyoğlu Eye Training and Research Hospital, where he contributed to clinical trials on age-related macular degeneration and myopia treatment. Prof. Yıldırım's clinical focus lies in cataract and refractive surgeries, as well as corneal and ocular surface diseases. He has performed over 10,000 cataract surgeries, numerous ocular surface reconstructions, and advanced corneal transplants (PK, DALK, DMEK). His refractive surgery experience includes PRK, LASIK (mechanical and femtosecond), SMILE, and phakic IOL implantation. He continues to participate in clinical research, particularly involving toric phakic IOLs. He holds multiple distinguished certifications and memberships including FEBO (2016), FICO (2018), a Corneal Subspecialty Diploma (2019), and Membership of the Royal College of Surgeons of Edinburgh (2020). In his academic career, Prof. Yıldırım has contributed to the education of numerous residents and has published widely in the field.

Publications

• Author of 84 peer-reviewed scientific articles
• H-index: 17 (Web of Science), 23 (Google Scholar)
• Total Citations: 830 (Web of Science), 1,451 (Google Scholar)

Books and Book Chapters

• Ocular Surface Disorders
• Corneal Diseases and Surgery
• Refractive Errors (including Presbyopia)

Certifications and Awards

• European Board of Ophthalmology (FEBO), 2016
• International Council of Ophthalmology (FICO), 2018
• Cornea and External Disease Subspecialty Diploma, 2019
• Member of the Royal College of Surgeons of Edinburgh, 2020
• 2nd Place – Best Poster Award, ESCRS Conference, London, 2014

Assistant Professor Ugur Tunc at Medipol Acibadem District Hospital completed a prestigious research fellowship at the Wilmer Eye Institute, Johns Hopkins University.

• Specialises in corneal and refractive surgery with a focus on ocular surface disorders
• Assistant Professor at Istanbul Medipol University training the next generation of eye surgeons
• Published 18 peer-reviewed research papers on surgical techniques and outcomes
• Recipient of the Young Ophthalmologist Science Award from the Turkish Ophthalmological Society
• Active member of the American Academy of Ophthalmology and European Society of Cataract and Refractive Surgeons

Dr Ugur Yayla is a highly skilled ophthalmologist at Medipol University Pendik Hospital with advanced fellowship training in medical retina and vitreo-retinal surgery.

• Completed a specialised fellowship in retinopathy of prematurity at SBÜ Zekai Tahir Burak Hospital
• Held senior positions at Kocaeli Derince Training and Research Hospital for eight years
• Graduated as an ophthalmology specialist from Uludag University
• Experienced in managing complex retinal conditions and surgical eye eye care

Professor Osman Sevki Arslan is a leading authority in glaucoma and anterior segment surgery who pioneered the innovative retrograde glaucoma tube implantation technique.

• Former President of the Turkish Ophthalmology Association and head of major university eye departments
• Founder and Medical Director of the Istanbul University Cerrahpasa Eye Bank
• Serves as an official examiner for the European Board of Ophthalmology (EBO)
• Published over 100 research articles in peer-reviewed medical journals worldwide
• Member of the American Academy of Ophthalmology and European Society of Cataract and Refractive Surgeons

Professor Mustafa Ozsutcu is a senior ophthalmology specialist at Medipol Bahcelievler University Hospital with deep expertise in managing complex intraocular pressure cases.

• Trained at Selcuk University, specialising in ophthalmic microsurgery
• Former clinical lead at Vakif Gureba Training and Research Hospital
• Held senior academic positions at Bezmialem Foundation University Faculty of Medicine
• Focuses on precise laser interventions for glaucoma and structural eye conditions

Associate Professor Faruk Kaya is a senior ophthalmology specialist at Medipol Bahçelievler University Hospital, known for his research into precision intraocular lens calculations and retinal health.

• Holds a professorial position at Istanbul Medipol University – one of Turkey's premier medical training institutions
• Specialises in anterior segment procedures and the management of complex corneal conditions
• Authored multiple chapters in international textbooks on refractive lens technology and corneal cross-linking
• Published peer-reviewed research on optical biometry used for accurate surgical planning

Dr Candan Karaca focuses on managing complex eye conditions at Büyük Anadolu Hospitals, specialising in precise treatments for glaucoma and eye pressure regulation.

• Specialises in managing glaucoma and diabetic retinopathy
• Treats macular degeneration and yellow spot disease
• Practices at Büyük Anadolu Hospitals – a major regional medical centre
• Focuses on vision preservation for patients with high intraocular pressure

The doctor completed medical education at Marmara University School of Medicine and further specialized at Bakirkoy Dr. Sadi Konuk Research and Training Hospital in Turkey. The doctor is a member of several prestigious organizations, including the Turkish Ophthalmology Association, European Society of Cataract and Refractive Surgeons, and the International Council of Ophthalmology. The doctor has passed the Basic Science and Clinical Science Board Exams from the International Council of Ophthalmology.

The doctor actively participates in international seminars and congresses, including the European Society of Cataract and Refractive Surgeons and the National Congress of Ophthalmology in Turkey.

The doctor graduated from Akdeniz University School of Medicine and completed career education at İzmir Bozyaka Teaching and Training Hospital in Turkey. Specializing in ophthalmology, the doctor is a member of several prestigious organizations, including the German Ophthalmological Society, the American Academy of Ophthalmology, and the European Society of Cataract and Refractive Surgeons.

Certified in advanced procedures such as LASIK application, presbyopia correction with multifocal intraocular lenses, and scleral fixation techniques, the doctor is also skilled in corneal collagen cross-linking and femtosecond applications for anterior segment surgery.