Prof. Dr. GÖKTUĞ DEMİRCİ

Prof. Göktuğ Demirci, a faculty member at the Department of Ophthalmology, Istanbul Medipol University Faculty of Medicine, is a second-generation representative of a family medicine tradition. Since completing his ophthalmology specialization in 2004, he has continuously pursued clinical, surgical, and translational research activities. He possesses extensive clinical and surgical experience, particularly in the diagnosis and treatment of cataracts and refractive surgery, corneal and ocular surface diseases, ocular infections, glaucoma, and retinal diseases. Known for his original diagnostic and treatment algorithms that have contributed to international literature, his patented medical device designs, and his translations and editorships of internationally recognized books on cataract surgery, Prof. Demirci is also the recipient of numerous international awards and International Council of Ophthalmology (ICO) board degrees.

•  Scientific Panels and Moderations: Invited speaker, instructor, and panel moderator in multidisciplinary sessions titled ""Approach to Demodex Patients from an Ophthalmologist's Perspective"" at the Turkish Ophthalmology Society (TOD) National Congresses and Winter Symposia, as well as National Dermatology Congresses.
•  Active Association Memberships:
• Turkish Ophthalmology Association (TOD) – Cornea and Ocular Surface Unit Active Member
• Turkish Ophthalmology Association (TOD) – Ocular Infections Unit Active Member
•  EuDEC (European Dry Eye Society)
•  ECLSO (European Contact Lens Society of Ophthalmologists)
• ISRS (International Society of Refractive Surgery)

•  Cataract and Refractive Surgery: Advanced clinical experience in phacoemulsification (FAKO) surgery and next-generation intraocular lens (smart lens) applications in cataract surgery.
• Ocular Surface and Corneal Diseases: Pathophysiology of dry eye syndrome, effects of metabolic syndrome and vitamin D deficiency on ocular surface parameters.
• Ocular Parasitology and Infections: Pioneering studies on the pathogenesis of chronic blepharitis caused by Demodex folliculorum, in-vitro parasite culture, and molecular mechanisms of action of ivermectin/lotilaner.
•   Glaucoma Diagnosis and Treatment: Follow-up of open and closed-angle glaucoma, analysis of intraocular pressure (IOP) dynamics, and medical and surgical management of glaucoma.
•  Diagnosis and Treatment of Retinal Diseases: Advanced diagnosis and treatment follow-up of diabetic retinopathy, macular diseases (yellow spot disease), and posterior segment pathologies guided by optical coherence tomography (OCT).
•  Clinical Classification and Literature Findings: The ""Demirci Phenomenon"" finding, which describes the behavior of ivermectin molecules in a lipid environment in eyelid infestations and is named after him in the literature, and the ""Demirci Grading System"" modeling.
• Myopia Control and Advanced Optical Technologies: Clinical efficacy of next-generation DIMS and HALT optical lens technologies in the follow-up of childhood progressive myopia.
•  Keratoconus and Corneal Surgery: Corneal Crosslinking (CXL) applications and penetrating keratoplasty in drug-resistant Acanthamoeba keratitis and keratoconus cases.

"International Scientific Awards

 1.European Dry Eye Society (EuDEC) Krakow Congress - Best Imaging/Photography Award (2025)

 2.EuDES Clinical Cases Competition - Best Case Presentation Award (2024)

 3.European Dry Eye Society (EuDES) Munich Meeting - Second Prize for Best Photograph (2023)

 ICO International Board Achievements

 • ICO Optics, Refraction and Instruments Certification (2020)

 • ICO Clinical Ophthalmology Certification (2019)

 • ICO Visual Sciences Certification (2017)

 Medical Innovation & Patents

 An innovative and patented 3-piece custom adapter that enables high-resolution anterior segment analysis and digital documentation by integrating mobile phones into biomicroscopes. (2018).