Dr. Rupert Menapace is a leading ophthalmologist and professor at Vienna Medical University. He specializes in cataract and refractive surgery, glaucoma treatment, and anterior segment reconstruction. He leads the University Hospital of Ophthalmology and Optometry and directs the institute for artificial lens implantation.
Expertscape.com ranks Dr. Menapace among the world’s top five cataract specialists. He pioneered minimally invasive cataract microsurgery and advanced lens implantation methods. Dr. Menapace holds a Doctor of General Medicine degree and is a diplomate of the European Association of Ophthalmologists. He has over 30 years of surgical experience and has published many scientific papers.
Ophthalmologist
Dr. Stefan Sacu is an experienced ophthalmologist. He specializes in cataract and retinal surgery, as well as diseases of the macula and retina. Since 1999, he has worked at the Department of Ophthalmology at the Medical University of Vienna. He has taken part in many scientific projects. His research includes new treatments for exudative macular diseases and genetic therapies for hereditary retinal conditions.
Dr. Sacu received the Theodor-Koerner Science Prize in 2003. He is an active member of the DGII and ESCRS. He is known for his clinical and academic work. Dr. Sacu teaches both nursing staff and medical students. He is dedicated to improving eye care with modern techniques and equipment.
Professor Dr. Stefan Pieh is a leading Austrian ophthalmologist. He specializes in refractive and cataract surgery. Dr. Pieh leads the Eye Refractive Surgery Center at Vienna Private Clinic. He also teaches at the Medical University of Vienna. He has performed thousands of procedures to correct myopia and hyperopia. He uses excimer lasers and implantable lenses for these treatments.
Dr. Pieh is known for his research on intraocular lens image quality. He has worked at the cornea department of Vienna General Hospital since 1998. He is an honorary member of several major ophthalmological societies, including ESCRS and ASCRS. These memberships highlight his international reputation and expertise.
Dr. Zeynep Alkin is a Professor of Ophthalmology. She specializes in medical retina and vitreoretinal surgery. She earned her medical degree at Istanbul University. She completed her residency at Beyoglu Eye Training and Research Hospital. Dr. Alkin later served as an Assistant Professor and Clinical Fellow in retina departments. She also completed a research fellowship at Doheny Eye Institute, USC. She is a member of the Turkish Ophthalmological Society and its Medical and Surgical Retina Boards.
Dr. Alkin has given over 40 presentations at national and international meetings. She has authored more than 40 peer-reviewed publications. Her main interests are retinal diseases, diabetic macular edema, and age-related macular degeneration. Her research includes multicenter studies and real-world data analyses. Dr. Alkin’s work supports evidence-based practice in ophthalmology.
Birthplace and Date
Ankara, 1975
Foreign Languages
English
Education and Experience
1999 Ankara University Faculty of Medicine
2004 Istanbul University Cerrahpaşa Faculty of Medicine Department of Ophthalmology
2012 Yeditepe University Faculty of Medicine Department of Ophthalmology, Lecturer
Case Experience
13 years of active ophthalmology practice.
Associations Membership
Turkish Ophthalmology Association (TOD)
Turkish Ophthalmology Association Medical Retina Unit active member
European Vitreoretinal Society (EVRS)
European Society of Retina Specialists (EURETINA)
International Society for Clinical Electrophysiology of Vision (ISCEV)
European Society of Cataract and Refractive Surgeons (ESCRS)
Expertise
Education
Work Experience
Dr. Mehmet Orçun Akdemir is a member of the Turkish Ophthalmology Association. He has published 24 articles in international peer‑reviewed journals, many indexed in SCI/SCI‑E. He has 17 papers in national peer‑reviewed journals. He has given 5 presentations at international meetings.
His work centers on the cornea and anterior segment. Areas include keratoconus; DALK, PKP, and DSAEK; corneal biomechanics; and corneal cross‑linking. He also studies glaucoma surgery after keratoplasty, ocular surface disease and pseudoexfoliation, and neuro‑ophthalmology and retina. He contributed to 4 ophthalmology book translations. His studies compare DALK and PKP outcomes in keratoconus, analyze biomechanics after DALK, evaluate graft thickness after DSAEK, and compare trabeculectomy with the Ahmed valve in post‑PKP glaucoma.
Dr. Tuğrul Akın is an experienced ophthalmologist. He graduated from Ankara University School of Medicine. He completed his specialist training at Gülhane Military Medical Academy in Turkey. He is a member of the Turkish Ophthalmological Association and the Turkish Medical Association. He is committed to professional growth and ongoing medical education.
Dr. Akın has made important contributions to ophthalmology. He focuses on advanced diagnostics and new treatment methods. His clinical practice is known for high patient satisfaction and compliance with international standards. Dr. Akın is recognized as a respected expert in Turkish ophthalmology.
Assoc. Prof. Dr. Yanin Suwan is a glaucoma surgery specialist. She provides glaucoma, general ophthalmology, and cataract care.
She is an Associate Professor in the Department of Ophthalmology, Faculty of Medicine, Ramathibodi Hospital, Mahidol University. Her academic profile is listed on Mahidol University’s research portal.
Her publications cover glaucoma, angle-closure mechanisms, and OCT angiography. These include “Pseudophakic angle-closure from a Soemmering ring,” which describes a rare mechanism of pseudophakic angle closure.
Dr. Wiwan Sansanayudh is a corneal surgeon with international experience in modern techniques and technology. She is on the faculty at Phramongkutklao Hospital and practices at Laser Vision International LASIK Center.
Her training includes a clinical fellowship in Cornea and External Disease and Refractive Surgery at Toronto Western Hospital, University of Toronto. She also completed fellowships in cornea and refractive surgery at the Francis I. Proctor Foundation, University of California, San Francisco, and at Ramathibodi Hospital, Mahidol University.
She holds a medical degree from the Faculty of Medicine, Srinakharinwirot University. She completed her ophthalmology residency at Phramongkutklao School of Medicine. She has published many articles and presented at international ophthalmology conferences.
Dr. Vivat Komolsuradej is an ophthalmologist. He graduated from the Faculty of Medicine, Ramathibodi Hospital, Mahidol University. He continued ophthalmology training with funding from Songklanagarind Hospital, Faculty of Medicine, Prince of Songkla University. He completed his residency at Srinagarind Hospital, Faculty of Medicine, Khon Kaen University.
He served as a medical lecturer at Khon Kaen University (2537–39 B.E.). Later, he joined Mettapracharak (Wat Rai Khing) Hospital under the Department of Medical Services, Ministry of Public Health. He headed the Ophthalmology Specialty Medical Center and the Cornea and Refractive Surgery Unit.
He is regarded as one of Thailand’s leading experts in refractive surgery. He has more than 20 years of surgical experience. He served as Medical Director of the Ophthalmology Center at Rangsit University (2563–65 B.E.).
Dr. Nawat Watanachai is an ophthalmologist specializing in vitreous, retina, and cataract care. He provides comprehensive eye care. He is an Assistant Professor of Ophthalmology at the Faculty of Medicine, Ramathibodi Hospital, Mahidol University.
He has published in academic journals. His research covers retinal diseases, outcomes of retinal procedures, and other ophthalmic topics.
Education
2019 İSTANBUL MEDİPOL UNIVERSITY, ASSOC. PROF. DR. - OPHTHALMOLOGY
2004 ISTANBUL PROF. DR. N. REŞAT BELGER BEYOĞLU E.A.H, SPECIALIZATION IN MEDICINE - OPHTHALMOLOGY
1999 ISTANBUL UNIVERSITY, ISTANBUL MEDICAL FACULTY
1999 ISTANBUL UNIVERSITY, ISTANBUL MEDICAL FACULTY
Publications
A. International Peer-Reviewed Journals:
Title: Comparison of different formulas for intraocular lens power calculation using a new optical biometer.
Title: Change in choroidal thickness after intravitreal injection for treatment of neovascular age-related macular degeneration: Ranibizumab versus aflibercept.
Title: Effect of aflibercept on persistent macular edema secondary to central retinal vein occlusion.
Title: Epithelium-off corneal cross-linking in progressive keratoconus: 6-year outcomes.
Authors: Eliaçık Mustafa, Karaman Erdur Sevil, Baltepe Altıok İnci, Gülkılık İbrahim Gökhan, Anıl Aslan Cemile, Kaya Faruk
Authors: Karabela Yunus, Eliaçık Mustafa, Kaya Faruk
Authors: Koçak İbrahim, Koçak Funda, Teker Bahri, Aydın Ali, Kaya Faruk, Hakan Baybora
Authors: Koçak İbrahim, Aydın Ali, Kaya Faruk, Koç Hacı
Authors: Baybora Hakan, Kaya Faruk, Koçak İbrahim, Karabela Yunus
Authors: Koçak İbrahim, Karabela Yunus, Karaman Mehmet, Kaya Faruk
B. Book Chapters:
Title: Corneal Cross-linking in Keratoconus.
Title: Intraocular Lens Power Calculation in Eyes with Previous Myopic Refractive Surgery.