Areas of Expertise

  • Smart Lens
  • Cataract
  • Eye Contour Aesthetics
  • Laser Refractive Surgery
  • Strabismus
  • Glaucoma
  • Retina

Op. Dr. Ertuğrul Tan Yassa

Ophthalmologist

Education and Expertise

Istanbul Faculty of Medicine – 1993- 1999

Ophthalmology Specialization Training

Istanbul Haseki Training and Research Hospital – February 2005

Advanced Certification

April 2000 T.U.S. 1% success rate for the exam.

May 2017 EBOD (European Board of Ophthalmology Diploma) exam result: Successful. As a result, the title of FEBO (Fellow of European Board of Ophthalmology) was obtained.

April 2017 ICO (International Counsil of Ophthalmology) basic sciences, optics and refraction and clinical sciences exam result: SUCCESSFUL

Courses

Lugano, Switzerland 2015 ESASO: Intermediate and advanced Retinal surgery course. 1-5 June 2015

Istanbul 2014 ESASO Retina Academy: 13-15 November 2014

Istanbul Retina Institute: “Photodynamic Therapy Course”: Istanbul (May 2002)

21, 22, 23, 29. National Ophthalmology Courses. Topics include macular diseases, LASER in ophthalmology, uveal diseases refractive surgery (April 2001, April 2002, April 2003, April 2004, April 2009).

Istanbul 2004 International LASIK Conference and Course (4-6 June 2004 Istanbul)

Membership Associations

Turkish Ophthalmology Association

Turkish Medical Association

ISRS (International Society of Refractive Surgery)

ESCRS (European Society of Cataract and Refractive Surgeons)

Scientific Publications

Yassa ET, Ünlü C, Kurt T. Repeatability of Anterior Chamber Dimension Measurements Performed by a Scheimpflug-Placido Analyser in Unoperated and Post-Refractive Surgery Eyes. Türkiye Clinics J Ophthalmol 2020;29(2):150-7

Yassa ET, Bakbak B. Retinal Detachment Associated with Optic Nerve Anomalies: clinical features, pathogenesis, management. Current Retina 2020;4(1):47-51.

Yassa ET, Ünlü C. Axial Eye-Length Measurements Before and After Myopic Laser Refractive Surgery. Glo-Kat 2019 14: 207-211.

Yassa ET, Ünlü C. Comparison of Autorefraction and Photorefraction with and without Cycloplegia Using 1% Tropicamide in Preschool Children. J Ophthalmol. 2019 May 2;2019:1487013.

Yassa ET, Bakbak B. Chronic relapsing inflammatory optic neuropathy. The Medical Bulletin of Sisli Etfal Hospital. 2019; 53(4): 437-440.

Yassa ET, Ünlü C. Anterior Chamber Angle and Volume Do Not Change after Myopic Laser-Assisted In Situ Keratomileusis in Young Patients. J Ophthalmol. 2018:8646275

Yassa ET, Bakbak B. Persistent Subretinal Fluid: Wait or Treat? Beyoglu Eye J 2018; 3(2): 99-100.

Yassa ET, Bakbak B. Toxic Anterior Segment Syndrome: Is it Possible to Have Corneal Dysfunction Without Changes in Corneal Morphology? Glo-Kat 2018 13: 139-143.

Yassa ET, Bakbak B. Differential Diagnoses in Diabetic Optic Neuropathies: Diabetic Papillopathy, Ischemic Optic Neuropathy and Optic Atrophy. Current Retina 2018;2(2):124-129.

Yassa ET, Ozay S, Onder F, Bakbak B. Eyelid Reconstruction: Autogenous tarsoconjunctival graft, hard palate mucosal graft and tarsoconjunctival flap. Journal of Turkish Ophthalmology 2006,36(2):138-144.

Yassa ET, Onder F, Bakbak B. Susac syndrome : Branch retinal artery occlusion and encephalopathy (a case with Susac syndrome). Journal of Turkish Ophthalmology 2007,37(3):238-244.

Yassa ET, Ozay S, Onder F. Removing of orbital cavernous hemangioma, located in retrobulbar area reaching inferior and medial parts of orbit, by antero-lateral orbitotomy. Haseki Medical Bulletin 2006; 3:146-150.

Ozay S, Yassa ET, Onder F. Orbital evisceration and reconstruction techniques we performed. Haseki Medical Bulletin 2005,43: 45

Oral and Written Congress Presentations

Repeatability of non-invasive tear break-up time measurements obtained with the Sirius eye anterior segment analyser

Accepted for free paper presentation 37th Congress of ESCRS (European Society of Cataract & Refractive Surgeons) Paris, France, Sep 2019

Repeatability of iridocorneal angle measurements of Scheimpflug-placido analyser in unoperated and post-refractive surgery eyes

Accepted for free paper presentation ESCRS (European Society of Cataract & Refractive Surgeons) 23rd winter meeting, Athens, Greece, Feb 2019

Accuracy of corneal power measurement with rotating Scheimpflug camera combined with Placido’s disc corneal topography after myopic laser refractive surgery.

Accepted for free paper presentation 36th Congress of ESCRS (European Society of Cataract & Refractive Surgeons) Wien, Austria, Sep 2018

Axial eye-length measurements before and after myopic laser refractive surgery Accepted for moderated poster presentation at 52nd National Congress of Ophthalmology Antalya, Turkey, Nov 2018

Choroidal thickness measurements before and after myopic laser refractive surgery and its’ relationship with preoperative choroidal thickness

Accepted for moderated poster presentation at 52nd National Congress of Ophthalmology Antalya, Turkey, Nov 2018

Evisceration techniques we performed and spheres we implanted Accepted for moderated poster presentation at 38th National Congress of Ophthalmology Antalya, Turkey, Oct 2004

Removing of orbital cavernous hemangioma, located in retrobulbar area reaching inferior and medial parts of orbit, by antero-lateral orbitotomy

Accepted for moderated poster presentation at 38th National Congress of Ophthalmology Antalya, Turkey, Oct 2004

Bilateral glob retraction as a result of orbital breast cancer metastasis

Accepted for moderated oral presentation at Monthly Scientific Meeting of Turkish Ophthalmology Society Istanbul Branch, Istanbul, Turkey, April 2004

Surgical treatment of eyelid basal cell carcinomas

Accepted for moderated poster presentation at 13th Afro-Asian Congress of Ophthalmology Istanbul, Turkey, Jun 2004

Surgical treatment of ectropion in patient with xeroderma pigmentosa

Accepted for moderated poster presentation at 37th National Congress of Ophthalmology Istanbul, Turkey, Oct 2003

Our results after external DCR operation

Accepted for moderated poster presentation at 36th National Congress of Ophthalmology Ankara, Turkey Oct 2002

Congress and Symposium Participation

Sep 2019 Attended and gave free paper presentation 37th Congress of ESCRS (European Society of Cataract & Refractive Surgeons) Paris, France

Feb 2019 Attended 23rd Winter Meeting of ESCRS (European Society of Cataract & Refractive Surgeons) Athens, Greece

Nov 2018 Attended and gave presentations at 52nd National Congress of Ophthalmology Antalya, Turkey with international participants

Sep 2018 Attended and gave free paper presentation 36th Congress of ESCRS (European Society of Cataract & Refractive Surgeons) Wien, Austria

Jun 2016 Attended 12th Congress of EGS (European Glaucoma Society) Prague, Czech Republic

Feb 2015 Attended 19th Winter Meeting of ESCRS (European Society of Cataract & Refractive Surgeons) Istanbul, Turkey

Oct 2012 Attended 46th National Congress of Ophthalmology Antalya, Turkey with international participants

Sep 2012 Attended 30th Congress of ESCRS (European Society of Cataract & Refractive Surgeons) Milan, Italy

Apr 2004 Attended and gave presentation at 13th Afro-Asian Congress of Ophthalmology Istanbul, Turkey

Oct 2004 Attended and gave presentations at 38th National Congress of Ophthalmology Antalya, Turkey with international participants

Oct 2003 Attended and gave presentation at 37th National Congress of Ophthalmology Istanbul, Turkey with international participants

Oct 2002 Attended and gave presentation at 36th National Congress of Ophthalmology Ankara, Turkey with international participants

May 2001 Attended SOE 13th Congress of the European Society of ophthalmology Istanbul, Turkey

Mar 2002 Attended Uludag Ophthalmology Days: “Diabetic Retinopathy” Bursa, Istanbul

May 2001 and May 2002 Attended 24th and 25th Spring Symposiums İstanbul. Their subjects were genetic and eye, geriatrics and eye. Istanbul, Turkey

Sep 2003 AttendedWestern Black Sea Ophthalmology Days: “Oculoplastic Surgery” Zonguldak, Turkey