- 2017 University of British Columbia Department of Pediatrics
- 2016 University of Washington Department of Pediatrics
- 2015 University of Health Sciences Child Health and Diseases
- 2008 Erciyes University Faculty of Medicine
- 2022-2024 Florence Nightingale Ataşehir Hospital Istanbul
- 2021-2022 VM Medical Park Maltepe Hospital Istanbul
- 2019-2021 Kartal Dr. Lütfi Kırdar Training and Research Hospital Istanbul
- 2013-2015 University of Health Sciences Child Health and Diseases
- 2010-2013 Yeditepe University Child Health and Diseases
- 2008-2010 Mardin Maternal and Child Health and Family Planning Center Mardin
- Turkish Pediatric Association
- Turkish National Pediatrics Association
- American Academy of Pediatrics
- International Pediatric Association
- European Academy of Paediatrics
- Canadian Pediatric Society
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Articles Published in Internationally Refereed Journals
1. ALTUN AHMET, ALTUN GÜLENGÜL, OLCAYSÜ OSMAN OKAN, AYDIN KURNA SEVDA, AKI SUAT FAZIL (2016). Central retinal artery occlusion in association with fibromuscular dysplasia. Clinical Ophthalmology.
2. ALTUN AHMET, ALTUN GÜLENGÜL, AYDIN KURNA SEVDA, OLCAYSÜ OSMAN OKAN, AKI SUAT FAZIL (2014). Unilateral morning glory optic disc anomaly in a case with Down syndrome. BMC Ophthalmology.
3. ALTUN AHMET, AYDIN KURNA SEVDA, BOZKURT ERCUMENT, ERDOGAN GÜRKAN, ALTUN GÜLENGÜL, OLCAYSÜ OSMAN OKAN, AKI SUAT FAZIL (2014). Bilateral Persistent Pupillary Membrane with Tetralogy of Fallot: A Case Report and Review of the Literature. Case Reports in Ophthalmological Medicine.
4. ALTUN AHMET, AYDIN KURNA SEVDA, SENGÖR TOMRIS, ALTUN GÜLENGÜL, OLCAYSÜ OSMAN OKAN, AKI SUAT FAZIL, SIMSEK MERT HAKAN (2014). Effectiveness of Posaconazole in Recalcitrant Fungal Keratitis Resistant to Conventional Antifungal Drugs. Case Reports in Ophthalmological Medicine.
5. ALTUN AHMET, AYDIN KURNA SEVDA, SENGÖR TOMRIS, ALTUN GÜLENGÜL, OFLAZ AYNUR, SÖNMEZ HATICE SELEN (2015). Unilateral Congenital Lacrimal Fistula with Renal Agenesis and Pelvic Kidney: A Case Report and Review of the Literature. Case Reports in Ophthalmological Medicine.
6. ALTUN AHMET, AYDIN KURNA SEVDA, SENGÖR TOMRIS, ALTUN GÜLENGÜL, OLCAYSÜ OSMAN OKAN, SIMSEK MERT HAKAN (2015). Success of hydrocone (TORIS-K) soft contact lens for keratoconus and traumatic keratopathy. Pakistan Journal of Medical Sciences.