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Content meets the Bookimed Editorial Policy and is medically reviewed by

Fahad Mawlood

Levent Ersan

  • 4.7 Excellent 53 reviews
  • 39 years of experience
  • Turkey, Istanbul, Dunyagoz Eye Hospital Istanbul Etiler
  • CURRICULUM VITAE

    Place and Date of Birth

    • Samsun, 1959

    Language Skills

    • English

    Education and Experience

    • Hacettepe University, Faculty of Medicine
    • Istanbul Haydarpasa Numune Hospital (Specialization)

    Case Experience

    • Experience of over 20.000 surgery cases

    Memberships

    • Turkish Ophthalmology Association
    • Turkish Medical Association
    • ESCRS (European Society of Cataract and Refractive Surgeon)
    • ASCRS (American Society of Cataract and Refractive Surgery)
    • AAO (American Academy of Opthalmology)

    Seminars

    • -I introduced this subject for the first time in Turkey with the seminars I gave on Eye and Complementary Medicine (Iridology) on the Natural Body, Mind and Mental Health Festival, Military Museum Harbiye Cultural Site.

    Awards

    • TÜBİTAK Turkey First Place in Biology with my scientific research on the eye in my second year of high school.

    Scientific Studies

    • Creating visual awareness with sound waves (Echolocation) in blind people

    National Publications

    • The importance of retinal nerve fiber photography in the diagnosis of glaucoma
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LASIK eye surgery
AUD $1,955 - AUD $2,284
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Dr Duygu Tez

  • 4.8 Excellent 211 reviews
  • 36 years of experience
  • Turkey, Istanbul, Adem and Havva Medical Center
  • Dr Duygu Tez is a specialist ophthalmologist at Adem and Havva Medical Center who trained at the prestigious Mount Sinai Hospital in New York.

    • Certified in Bausch & Lomb surgical excimer laser systems for vision correction
    • Completed specialised post-graduate training in managing astigmatism and corneal surface diseases
    • Published clinical research on astigmatism and complex keratoconus management
    • Held a master's programme in healthcare institutions management from Beykent University
    • Active member of the Turkish Ophthalmology Association
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Karaca Umut

  • 4.7 Excellent 11 reviews
  • 15 years of experience
  • Turkey, Antalya , Dunyagoz Eye Hospital Antalya
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Yasar Dag

  • 4.9 Excellent 55 reviews
  • 17 years of experience
  • Turkey, Istanbul, Valued Med Hub Hospitals
  • Dr Yasar Dag is a highly publishing specialist in refractive surgery who uses advanced corneal topography to improve LASIK outcomes.

    • Specialises in refractive surgery and corneal diseases at Istanbul Tema Hospital
    • Published research on Scheimpflug-Placido disc topography for precise tear film and corneal assessment
    • Expert in managing corneal astigmatism using practical marking and surgical techniques
    • Active member of the Turkish Ophthalmology Association
    • Trained at Göztepe Training and Research Hospital, a major Turkish specialist centre
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Mehmet Tahir Sam

  • 4.7 Excellent 11 reviews
  • 22 years of experience
  • Turkey, Antalya , Dunyagoz Eye Hospital Antalya
  • Professor Mehmet Tahir Sam is a high-volume ophthalmic surgeon with over 27,000 successful surgical cases managed at Dunyagoz Eye Hospital Antalya.

    • Acts as a live surgery instructor, training other specialists in advanced ocular techniques
    • Holds specialised certification in Artisan Iris and Claw Lens applications
    • Served on the Board of Directors for the Turkish Ophthalmology Association
    • Published more than 10 scientific papers on national and international eye care outcomes
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Sumet Supalaset

  • 4.5 Good 8 reviews
  • 23 years of experience
  • Thailand, Bangkok, Intrarat Hospital
  • Dr Sumet Supalaset is a highly credentialed ophthalmologist with specialised training in refractive surgery from London, Japan, and the USA. He leads eye care at Intrarat Hospital, specialising in laser vision correction and corneal health.

    • Completed a certificate in LASIK and SMILE surgery in London
    • Trained in cornea and refractive surgery at Kyoto University in Japan
    • Held a clinical observership at UCLA in the United States
    • Published research on transepithelial PRK and femtosecond laser safety
    • Performs both standard LASIK and minimally invasive ReLEx SMILE
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LASIK eye surgery
AUD $6,432 - AUD $6,432
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Alperen Koc

  • 4.9 Excellent 55 reviews
  • 14 years of experience
  • Turkey, Istanbul, Valued Med Hub Hospitals
  • 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.

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Theppachai Thammikasakul

  • 4.5 Good 8 reviews
  • 26 years of experience
  • Thailand, Bangkok, Intrarat Hospital
  • Dr Theppachai Thammikasakul is a specialised ophthalmologist at Intrarat Hospital with formal fellowship training in corneal and refractive surgery from Khon Kaen University.

    • Completed a dedicated sub-board fellowship in refractive surgery
    • Focuses on correcting vision using laser-based techniques
    • Earned his Doctor of Medicine from Phramongkutklao College of Medicine
    • Holds an Ophthalmology Certificate from Phramongkutklao Hospital
    • Expertise includes managing corneal health alongside vision correction
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LASIK eye surgery
AUD $6,432 - AUD $6,432
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Zeynep Alkin

  • 4.9 Excellent 55 reviews
  • 29 years of experience
  • Turkey, Istanbul, Valued Med Hub Hospitals
  • Professor Zeynep Alkin is a highly credentialed ophthalmologist who completed a prestigious research fellowship at the Doheny Eye Institute, University of Southern California.

    • Trained specifically in refractive surgery and summit microkeratome techniques
    • Expert in using optical coherence tomography (OCT) for precise patient imaging
    • Member of the Surgical Retinal Board of the Turkish Ophthalmological Society
    • Published over 50 international papers on advanced eye imaging and surgical outcomes
    • Current Professor at Biruni University with extensive clinical research background
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Birgi Sönmezer

  • Leading doctor for LASIK eye surgery
  • 4.5 Good 6 reviews
  • 32 years of experience
  • Turkey, Antalya , Medical Park Antalya Hospital Complex
  • Dr Birgi Sönmezer has performed 900+ eye treatments and currently leads the Eye Laser Clinic at Medical Park Antalya Hospital Complex.

    • Specialises in laser refractive surgery for correcting vision
    • Focuses on LASIK techniques specifically for mild-to-moderate astigmatism
    • Completed advanced post-specialist training in vitreoretinal surgery at Istanbul Okmeydanı Training Hospital
    • Previously a founding partner of Maya Eye Hospital and a long-term specialist at World Eye Hospital
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Ali Riza Cenk Celebi

  • 5 Excellent 1 review
  • 21 years of experience
  • Turkey, Istanbul, İstinye University Liv Hospital Topkapı
  • Professor Ali Riza Cenk Celebi holds high-level certifications from the International Council of Ophthalmology in Optics and Refraction. He serves on the executive board for the Cornea and Ocular Surface Unit at the Turkish Ophthalmological Association.

    • Completed a prestigious clinical fellowship at Harvard Medical School
    • Fellow of the European Board of Ophthalmology and the Royal College of Surgeons of Edinburgh
    • Expertise in corneal diseases and advanced contact lens fitting for vision correction
    • Member of the European Society of Cataract and Refractive Surgeons
    • Published 58 international articles and authored 15 medical books
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Prof Yusuf Yildirim

  • Leading doctor for LASIK eye surgery
  • 5 Excellent 3 reviews
  • 16 years of experience
  • Turkey, Istanbul, Medipol Acibadem District Hospital
  • Professor Yusuf Yildirim is a highly credentialed ophthalmologist who has performed over 10,000 successful eye surgeries at Medipol Acibadem District Hospital.

    • Holds membership of the Royal College of Surgeons of Edinburgh
    • Specialises in advanced laser techniques including LASIK, SMILE, and femtosecond procedures
    • Earned the Cornea and External Disease Subspecialty Diploma for complex ocular cases
    • Awarded second place for best clinical poster at the ESCRS conference in London
    • Published over 80 peer-reviewed articles and trains the next generation of eye surgeons
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Patchima Chantaren

  • 5 Excellent 2 reviews
  • 15 years of experience
  • Thailand, Bangkok, TRSC International Eye and Vision Center
  • Dr Patchima Chantaren is a refractive surgery specialist at the TRSC International Eye and Vision Center who holds a Certificate in Forefront Refractive Surgery from the London Vision Clinic.

    • Completed a clinical fellowship in Cornea and Refractive Surgery at Chulalongkorn University
    • Specialises in LASIK, SMILE, and Presbyond techniques for vision correction
    • Former instructor at the Centre of Excellence for Cornea and Limbal Stem Cell Transplantation
    • Expertise in ocular surface health and dry eye management from training in Japan
    • Awarded 1st degree Honours for her medical degree from Mahidol University
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LASIK eye surgery
AUD $3,858 - AUD $5,159
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Digdem Begendi

  • 5 Excellent 55 reviews
  • 11 years of experience
  • Turkey, Istanbul, Istanbul Florence Nightingale Hospital
  • Dr Digdem Begendi specialises in high-precision eye surgery using IntraLase and femtosecond laser technology at Istanbul Florence Nightingale Hospital.

    • Focuses on advanced laser iridotomy and complex refractive corrections
    • Extensively published in peer-reviewed journals for her research in ophthalmology
    • Member of the Turkish Ophthalmology Association
    • Completed her specialist training at Akdeniz University
    • Practises at a JCI-accredited hospital – a gold standard for safety
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Yoonjung Jo

  • 19 years of experience
  • Republic of Korea, Seoul, Samsung Miracle Eye Clinic
  • Dr Yoonjung Jo is a certified ZEISS SMILE Excellent Surgeon who leads refractive care at the Samsung Miracle Eye Clinic in Gangnam.

    • Specialises in SMILE LASIK and 1:1 customised vision correction planning
    • Former Clinical Faculty member at Hallym University Medical Center
    • Full member of the American and European Societies of Cataract and Refractive Surgery
    • Focuses on tailored surgical approaches for complex astigmatism cases
    • Member of the Asia Pacific Academy of Ophthalmology
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Gokcen Gokce

  • Leading doctor for LASIK eye surgery
  • 5 Excellent 1 review
  • 22 years of experience
  • Turkey, İzmir, Dunyagoz Eye Hospital Izmır
  • Curriculum Vitae

    Place and Date of Birth

    • Hendek , 1980

    Language Skills

    • English

    Education and Experience

    • 1998-2004 Gülhane Military Medical Academy (Medical Training)
    • 2007-2011 Gülhane Military Medical Academy (Specialization)
    • 2016 Gülhane Military Medical Academy (Associate Professorship)

    Case Experience

    Over 10.000 surgical cases.

    Certificates

    • Cornea and Refractive Surgery (Excimer Laser) Course
    • SMILE Laser Surgery Courses
    • Interlase Femto-LASIK (i-LASIK) Training Certificate
    • IFS Femtolaser Cataract Suit Training Certificate
    • Keratoplasty (Corneal Transplantation) Course
    • Nidek Quest Excimer Laser Certificate
    • Cornea Bank Medical Directorship Certificate
    • Certificate for the Treatment of High Astigmatism with Femtolaser
    • Certificate for Keratoconus Corneal Ring with Femtolaser
    • Certificate for Keratoplasty/Corneal Tunnel with Femtolaser
    • International Strabismological Association Course for the Treatment of Strabimus
    • Applied Strabismological Surgery Course
    • Periorbital Plastic Surgery, Botox and Fillers Course
    • Oculoplasty Course
    • Applied Glocoma Surgery Course
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Deniz Kilic

  • 5 Excellent 1 review
  • 16 years of experience
  • Turkey, İzmir, Dunyagoz Eye Hospital Izmır
  • Associate Professor Deniz Kilic is a highly accomplished eye surgeon who has performed over 10,000 successful surgical procedures during his career.

    • Completed a specialised Cornea and Refractive Surgery Fellowship at St Franziskus-Hospital in Germany
    • Holds a Diploma from the European Board of Ophthalmology in Paris
    • Fellow of the International Council of Ophthalmology (FICO) with advanced certification
    • Member of the European Society of Cataract and Refractive Surgeons
    • Elected member of the Royal College of Surgeons of Edinburgh
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