I migliori medici di Facoemulsificazione con impianto di IOL in Turchia — TOP-39 medici

Il Professore Associato Ozer si è formato presso il Wills Eye Institute, un leader in oftalmologia, e si specializza in facoemulsificazione con impianto di IOL.

• Ha completato una prestigiosa borsa di studio chirurgica ICO-STAAR in Vitreo-Retina
• Membro attivo dell'Associazione Oftalmologica Turca
• Ha pubblicato numerosi studi su trattamenti oftalmici avanzati
• Oltre 10 anni di esperienza in oftalmologia

Il Prof. Dr. Ahmet Satici ha eseguito oltre 20.000 interventi di chirurgia oculare, specializzandosi nella facoemulsificazione con impianto di IOL presso il suo studio privato.

• 33 anni di esperienza clinica in oftalmologia
• Ha ottenuto il titolo di professore ordinario presso l'Università di Harran
• Membro dell'Associazione Oftalmologica Turca
• Laureato presso la Facoltà di Medicina dell'Università di Uludag

EDUCATION

Mersin University, Faculty of Medicine, 2009

Istanbul Göztepe Training and Research Hospital, Residency in Ophthalmology, 2009 to 2013

PROFESSIONAL EXPERIENCE

Mardin Midyat State Hospital – Specialist Ophthalmologist, 2014 to 2020

Mardin Training and Research Hospital – Specialist Ophthalmologist, 2020 to 2022

Başakşehir Çam and Sakura City Hospital – Specialist Ophthalmologist, 2022to 2024

Westeye Hospital, Erbil – Specialist Ophthalmologist, 2024 to 2025

Istanbul Tema Hospital – Specialist Ophthalmologist, 2024 to 2025

AREAS OF EXPERTISE

-Cataract and Refractive Surgery

-Corneal Diseases and Keratoplasty

-Strabismus and Strabismus Surgery

-Eyelid and Lacrimal System Surgery

-Ocular Trauma Surgery

TRAINING & CERTIFICATIONS

-Vitrectomy Training at Ulucanlar Eye Training and Research Hospital, 2020

MEMBERSHIPS

-Member of the Turkish Ophthalmological Association (TOD)

PUBLICATIONS

1)Changes caused by fluorescein in the tear film evaluated with hybrid break-up time test as a new method - Part Two: Its effect on breakup locations and other quantitative values, Photodiagnosis and Photodynamic Therapy, 2023

2)The profile of patients attending to the general emergency department with ocular complaints within the last year: is it a true ocular emergency?, BMC Ophthalmology, 2024

3)Medium-term outcomes of three horizontal muscle surgery in large-angle infantile esotropia, Journal of Pediatric Ophthalmology & Strabismus, 2014

4)Evaluation of Anterior Segment Parameters Using Scheimpflug Topography Device in Patients Undergoing Nd:YAG Laser Posterior Capsulotomy: Retrospective Study, Türkiye Klinikleri Journal of Ophthalmology, 2024

5)Publication patterns of ophthalmology residency dissertations in Turkey, European Journal of General Medicine, 2015

6)Evaluation of the Effect of Infection and Immunity on the Tear Film by Scheimpflug-Placido Disc Topography – A Case Control Study, Photodiagnosis and Photodynamic Therapy, 2023

7)Changes caused by fluorescein in tear film by hybrid break-up time test - Part One: On quantitative values, Photodiagnosis and Photodynamic Therapy, 2022

8)An easy and practical method for toric intraocular lens implantation: marking corneal astigmatic axis at slit-lamp, International Ophthalmology, 2017

9)Slanted medial rectus recession is effective in the treatment of convergence excess esotropia, Journal of Pediatric Ophthalmology & Strabismus, 2014

10)A reasonable option in vitrectomized eyes: manual small incision cataract surgery, International Journal of Ophthalmology, 2014

11)The Role of Systemic Inflammation in Acquired Nasolacrimal Duct Obstruction, Beyoglu Eye Journal, 2023

12)A New Approach: Determination of the Safe Surgical Margin in Pterygium Surgery, Klinische Monatsblätter für Augenheilkunde, 2023

CURRICULUM VITAE

Place and Date of Birth

• Yozgat, 1970

Language Skills

• English

Education and Experience

• 1986-1992: Ankara University, Faculty of Medicine / Ankara
• 1992- 1996: Ophthalmology Specialization Education / S.B. Ankara Hospital / Ankara

Case Experience

• She has been actively practicing ophthalmology for 30 years and has experience of over 30.000 surgical cases.

Membership

• AKÖZ: S.B. Ankara Hospital Ophthalmology Clinic Association / Ankara
• T.O.D: Turkish Ophthalmology Association / Ankara
• A.A.O: American Academy of Ophthalmology- International member /P.A., U.S.A.
• E.S.C.R.S: European Society of Cataract and Refractive Surgeons
• I.S.R.S: International Society of Refractive Surgery

Certificates

• INTACS Corneal Implants Certified surgeon
• Intra Lase Usage Certificate

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)

Oltre 20.000 interventi chirurgici eseguiti – Il Prof. Assoc. Dr. Tanriverdi porta una vasta esperienza in oftalmologia all'Ospedale Oculistico Dünyagöz.

• 15 anni di pratica attiva in oftalmologia
• Specializzato in chirurgia della cataratta e refrattiva
• Vincitore del Premio ASCRS per la Migliore Presentazione Orale nel 2019
• Membro dell'Associazione Oftalmologica Turca

Il dottor Yasar Dag è specializzato in chirurgia della cataratta e refrattiva, con vasta esperienza in facoemulsificazione con impianto di IOL.

• Oltre 10 anni di esperienza in oftalmologia
• Specializzato in chirurgia della cataratta e refrattiva presso ospedali rinomati
• Autore di molteplici articoli di ricerca sulle tecniche di chirurgia oculare
• Membro dell'Associazione Turca di Oftalmologia

Oltre 5.000 interventi chirurgici in 12 anni – Il Dott. Coskun è specializzato in oftalmologia presso il Dunyagoz Eye Hospital Antalya.

• Formazione presso la Scuola di Medicina Cerrahpaşa e l'Ospedale di Formazione e Ricerca Şişli Etfal
• Pubblicati oltre 30 articoli scientifici sull'oftalmologia
• Membro di AAO, EVRS e della Società Turca di Oftalmologia
• Fluente in inglese e in diverse lingue balcaniche

Experience:

1. Konya-Karapınar Kutören Health Center\ General Practitioner
2. KonyaProvincial Deputy Directorate of Health
3. KonyaProvincial Health DeputyDirectorate
4. Istanbul Fatih Tuberculosis Dispensary
5. University of Frankfurt \ Darmstadt Eye Clinic
6. Istanbul Taksim State Hospital\ Eye Diseases
7. Istanbul University Cerrahpaşa Faculty of Medicine \ Chief Assistantof the Department of Ophthalmology
8. Istanbul University Cerrahpaşa Eye Bank \ Founder (MedicalDirector)
9. TOD\ Chairman
10. Istanbul University Cerrahpaşa - Cerrahpaşa Faculty of Medicine\ First Head of the Department of Ophthalmology
11. Demiroğlu-Bilim University \ Head of Ophthalmology Department
12. Florence Nightingale Hospitals \ Eye ClinicCoordinator

Specialties:

1. Vaccinating the child age group
2. Follow-up of eye eclipse in Behçet’s disease with iris and fundus fluorescein angiography (FFA)

Priority treatments:

1. Anterior segment surgery (cataract + IOL implantation, keratoplasty)

Special advanced health technologies:

1. Arslan closed cornea technique
2. Arslan covered cornea technique
3. Retrograde glaucoma tube implantation

Leadership and Administrative Roles (Turkish Ophthalmology Association - TOD):

• Various administrative roles at TOD including:
• President of TOD IstanbulBranch (2006-2010, 2008-2010)
• General Secretary (2015-2017)
• President of TOD (2017-2019)
• Member of TOD CentralExecutive Board (2011-2013, 2013-2015)
• Member of Executive Board of the Cornea and Ocular Surface(COS) Unit of TOD (1994-2023)
• Member of Executive Board of TOD Cataract and Refractive SurgeryUnit (2016-2018)

Research and Publications:

• Authored 57 original articlesin international peer-reviewed journals
• Authored 56 articles in national peer-reviewed journals
• Presented 178 papers at national conferences and 102 papersat international conferences
• Authored 1 book and 6 book chapters
• Developed two original surgicaltechniques and the Retrograde GlaucomaTube Implantation technique
• Served on editorial boardsof various international and national journals

Memberships and Affiliations:

• Member of American Academyof Ophthalmology (AAO) and EuropeanSociety of Cataract and Refractive Surgeons (ESCRS)
• Examiner for European Board of Ophthalmology (EBO) exams representing Turkey

Awards:

• Received awards from IstanbulUniversity and TÜBİTAK

Education:

Dr. Ali Riza Cenk Celebi is a Professor of Ophthalmology at Acibadem University (2023–2025). He practices at Acibadem Maslak Hospital (2024–2025). He completed a glaucoma fellowship at Harvard/Mass Eye and Ear in 2016. His clinical work covers glaucoma (MIGS, seton procedures), cornea (limbal stem cell surgery), lacrimal surgery (scarless endoscopic DCR), medical retina (intravitreal injections), myopia control in children, and orbital surgery.

He earned his MD from Hacettepe University and ranked 3rd in his class. He began his ophthalmology residency after placing 11th in Turkey’s TUS exam. Certifications include ICO Basic and Clinical (2010), FEBO (2015), Turkish Board (2016), Advanced ICO/FICO (2017), and USMLE Step 4. His awards include Acibadem Academic Achievement (2015–2023), Best Presentation (2022), and TOD awards (2022–2023). He has published 58 international articles and 15 books. He holds an MSc in Biological Data Science (GPA 3.94/4.00, top of term) and completed training in AI in Healthcare in 2020.

Prof. Yusuf Yıldırım, M.D.

Ophthalmology

Areas of Expertise and Interest

• Cataract and Refractive Surgery
• Cornea and Ocular Surface Diseases
• Ocular Surface Reconstruction
• Cornea Transplantation (PK, DALK, DMEK)
• Refractive Surgery (PRK, LASIK, SMILE, phakic IOLs)

Education and Career

• 2006 – 2010, Beyoğlu Eye Training and Research Hospital / Resident in Ophthalmology
• 2007, Sub-Investigator, Clinical Trial on Age-Related Macular Degeneration (Neovista, Inc.)
• 2009 – 2011, Sub-Investigator, Keraflex Treatment for Myopia (Avedro, Inc.)
• 2016, European Board of Ophthalmology (FEBO) Certification
• 2018, International Council of Ophthalmology (FICO) Certification
• 2019, Cornea and External Disease Subspecialty Diploma
• 2020, Membership, Royal College of Surgeons of Edinburgh
• Until 2024, Professor and Clinical Education Chief, Başakşehir Çam and Sakura City Hospital
• 2024 – Present, Professor and Clinical Educator, Istanbul Medipol University, Medipol Acıbadem District Hospital

Career

Born in Trabzon in 1982, Prof. Yusuf Yıldırım completed his high school education at Kanuni Anatolian High School and earned his medical degree from Istanbul University Faculty of Medicine in 2006. He pursued his residency at Beyoğlu Eye Training and Research Hospital, where he contributed to clinical trials on age-related macular degeneration and myopia treatment. Prof. Yıldırım's clinical focus lies in cataract and refractive surgeries, as well as corneal and ocular surface diseases. He has performed over 10,000 cataract surgeries, numerous ocular surface reconstructions, and advanced corneal transplants (PK, DALK, DMEK). His refractive surgery experience includes PRK, LASIK (mechanical and femtosecond), SMILE, and phakic IOL implantation. He continues to participate in clinical research, particularly involving toric phakic IOLs. He holds multiple distinguished certifications and memberships including FEBO (2016), FICO (2018), a Corneal Subspecialty Diploma (2019), and Membership of the Royal College of Surgeons of Edinburgh (2020). In his academic career, Prof. Yıldırım has contributed to the education of numerous residents and has published widely in the field.

Publications

• Author of 84 peer-reviewed scientific articles
• H-index: 17 (Web of Science), 23 (Google Scholar)
• Total Citations: 830 (Web of Science), 1,451 (Google Scholar)

Books and Book Chapters

• Ocular Surface Disorders
• Corneal Diseases and Surgery
• Refractive Errors (including Presbyopia)

Certifications and Awards

• European Board of Ophthalmology (FEBO), 2016
• International Council of Ophthalmology (FICO), 2018
• Cornea and External Disease Subspecialty Diploma, 2019
• Member of the Royal College of Surgeons of Edinburgh, 2020
• 2nd Place – Best Poster Award, ESCRS Conference, London, 2014

EDUCATION:

2015

Uludag University, Ophthalmology

2008

Eskisehir Osmangazi University, Faculty of Medicine

2001

Kırıkkale Science High School, Numerical

EXPERIENCE:

2019 Gazi University Faculty of Medicine Ophthalmology (Vitreo-Retinal Surgery and Medical Retina Fellowship)

2016 SBÜ Zekai Tahir Burak EAH (Retinopathy of Prematurity Fellowship)/

2015 - 2023 Kocaeli Derince Training and Research Hospital

2023 - Medipol University Pendik Hospital

Experience

2022 - 2023

Private Medipol Mega Hospitals Complex

2010 - 2010

Bezmialem Foundation University Faculty of Medicine

2010 - 2010

Bezmialem Foundation University Faculty of Medicine, Department of Ophthalmology

2001 - 2011

Vakif Gureba Training and Research Hospital, Department of Ophthalmology

2001 - 2011

Vakif Gureba Training and Research Hospital

2000 - 2001

Edirne Regional Hospital

2000 - 2001

Edirne Regional Hospital

Education

2000 Selçuk University, Ophthalmology

2000 SELÇUK UNIVERSITY, OPHTHALMOLOGY

1994 SELÇUK UNIVERSITY, FACULTY OF MEDICINE

1994 Selçuk University, Faculty of Medicine

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.

• Authors: Kaya Faruk, Koçak İbrahim, Aydın Ali, Baybora Hakan, Karabela Yunus
• Journal: Journal Français d'Ophtalmologie
• Year: 2015
• Volume: 38(8)
• Pages: 717-722
• DOI: 10.1016/j.jfo.2015.03.006

Title: Change in choroidal thickness after intravitreal injection for treatment of neovascular age-related macular degeneration: Ranibizumab versus aflibercept.

• Author: Kaya Faruk
• Journal: Journal Français d’Ophtalmologie
• Year: 2017
• Volume: 40(10)
• Pages: 832-838
• DOI: 10.1016/j.jfo.2017.04.014

Title: Effect of aflibercept on persistent macular edema secondary to central retinal vein occlusion.

• Authors: Kaya Faruk, Koçak İbrahim, Aydın Ali, Baybora Hakan, Koç Hacı, Karabela Yunus
• Journal: Journal Français d’Ophtalmologie
• Year: 2018
• Volume: 41(9)
• Pages: 809-813
• DOI: 10.1016/j.jfo.2018.01.024

Title: Epithelium-off corneal cross-linking in progressive keratoconus: 6-year outcomes.

• Author: Kaya Faruk
• Journal: Journal Français d’Ophtalmologie
• Year: 2019
• DOI: 10.1016/j.jfo.2018.09.013

Authors: Eliaçık Mustafa, Karaman Erdur Sevil, Baltepe Altıok İnci, Gülkılık İbrahim Gökhan, Anıl Aslan Cemile, Kaya Faruk

• Journal: The Kaohsiung Journal of Medical Sciences
• Year: 2016
• Volume: 32(1)
• Pages: 38-43
• DOI: 10.1016/j.kjms.2015.12.004

Authors: Karabela Yunus, Eliaçık Mustafa, Kaya Faruk

• Journal: BMC Ophthalmology
• Year: 2016
• Volume: 16(1)
• DOI: 10.1186/s12886-016-0271-8

Authors: Koçak İbrahim, Koçak Funda, Teker Bahri, Aydın Ali, Kaya Faruk, Hakan Baybora

• Journal: International Journal of Ophthalmology
• Year: 2014
• Volume: 7(4)
• Pages: 686-688

Authors: Koçak İbrahim, Aydın Ali, Kaya Faruk, Koç Hacı

• Journal: Journal Français d’Ophtalmologie
• Year: 2014
• Volume: 37(5)
• Pages: 371-376
• DOI: 10.1016/j.jfo.2013.11.012

Authors: Baybora Hakan, Kaya Faruk, Koçak İbrahim, Karabela Yunus

• Journal: Turkish Neurosurgery
• Year: 2019
• DOI: 10.5137/1019-5149.JTN.24775-18.4

Authors: Koçak İbrahim, Karabela Yunus, Karaman Mehmet, Kaya Faruk

• Journal: Journal of Refractive Surgery
• Year: 2006
• Volume: 22(8)
• Pages: 799-803
• DOI: 10.3928/1081-597X-20060901-04

B. Book Chapters:

Title: Corneal Cross-linking in Keratoconus.

• Authors: Kaya Faruk, Koçak İbrahim
• Book Title: Keratoconus: Recent Advances in Diagnosis and Treatment
• Publisher: Springer
• Year: 2017
• Pages: 163-169
• DOI: 10.1007/978-3-319-45357-0_13

Title: Intraocular Lens Power Calculation in Eyes with Previous Myopic Refractive Surgery.

• Authors: Koçak İbrahim, Kaya Faruk
• Book Title: Mastering Refractive IOLs
• Publisher: Jaypee Brothers Medical Publishers
• Year: 2018
• Pages: 107-114
• DOI: 10.5005/jp/books/14282_10

Specializations

Lazy Eye (Amblyopia)

Glaucoma (Eye Pressure)

Yellow Spot Disease

Diabetic Retinopathy

CV

Place and Date of Birth

Kayseri, 1989

Foreign Languages

English, German

Education and Experience

Istanbul University Faculty of Medicine 2006-2012

Beyoğlu Eye Hospital 2012-2017

Associations of which he is a member

Turkish Medical Association

Turkish Ophthalmology Association

Books

1. Presbyopia Corrective Intraocular Lenses

2. Cataract and Its Treatment

Congress and Symposium Participation

TURKISH OPHTHALMOLOGY ASSOCIATION 47TH NATIONAL CONGRESS

06-10 NOVEMBER 2013

TURKISH OPHTHALMOLOGY ASSOCIATION CATARACT AND RECRACTION SURGERY UNIT VII. LIVE SURGERY SYMPOSIUM

22-23 FEBRUARY 2014

CERTIFICAE OF ATTENDANCE EUROPEAN SOCIETY OF CATARACT AND REFRACTIVE SURGEONS

13-17 SEMPTEMBER 2014

TURKISH OPHTHALMOLOGY ASSOCIATION 48TH NATIONAL CONGRESS

5-9 NOVEMBER 2014

CERTIFICAE OF ATTENDANCE EUROPEAN SOCIETY OF CATARACT AND REFRACTIVE SURGEONS

5-9 SEMPTEMBER 2015

TURKISH OPHTHALMOLOGY ASSOCIATION 40TH NATIONAL CONGRESS

01 NOVEMBER 2016

TURKISH OPHTHALMOLOGY ASSOCIATION 50TH NATIONAL CONGRESS

09-13 NOVEMBER 2016

40TH SPRING SYMPOSIUM PEDIATRIC OPHTHALMOLOGY

26-28 MAY 2017

TURKISH OPHTHALMOLOGY ASSOCIATION 52ND NATIONAL CONGRESS

NOVEMBER 2018

TURKISH OPHTHALMOLOGY ASSOCIATION 53RD NATIONAL CONGRESS

NOVEMBER 2019

TURKISH OPHTHALMOLOGY ASSOCIATION 54TH NATIONAL CONGRESS

NOVEMBER 2020

TURKISH OPHTHALMOLOGY ASSOCIATION 55TH NATIONAL CONGRESS

NOVEMBER 2021

TURKISH OPHTHALMOLOGY ASSOCIATION 56TH NATIONAL CONGRESS

NOVEMBER 2022

TURKISH OPHTHALMOLOGY ASSOCIATION 57TH NATIONAL CONGRESS

NOVEMBER 2023

EUROPEAN SOCIETY OF CATARACT AND REFRACTIVE SURGEONS 2023

TURKISH OPHTHALMIC ASSOCIATION 58TH NATIONAL CONGRESS

NOVEMBER 2024

CV

Place and Date of Birth

Kırşehir, 1984

Foreign Languages

English

Education and Experience

Ankara University Faculty of Medicine, 2008

Hacettepe University Faculty of Medicine, 2015 (Specialization)

Mardin State Hospital 2015-2018

Kayseri City Hospital 2018-2022

SBÜ Gülhane Training and Research Hospital 2019-2020

Başakşehir Çam and Sakura City Hospital 2022-2024

Ludwig Maximilian University (Germany – Munich) 2022-2023

Case Experience

Active ophthalmologist for 9 years, over 5,000 case experience

Associations of which he is a member

Turkish Ophthalmology Association

Turkish Medical Association

Certificates

European Board of Ophthalmology (FEBO) (2018)

International Council of Ophthalmology, Basic Science(2018)

International Council of Ophthalmology, Optic and Refraction(2018)

International Council of Ophthalmology, Clinical Science (2019)

International Council of Ophthalmology, Advanced Clinical Exam (FICO)(2020)

Books

1. Esra Vural, A Hakan Durukan. Retinal Prostheses. Innovative Health. Academician Publishing House

2. Esra Vural. Riboflavin in Corneal Crosslinking. Corneal Crosslinking Treatment. Anadolu Bookstore

Specializzato esclusivamente in interventi di cataratta e chirurgia refrattiva, il Dr. Helvacıoğlu porta anni di esperienza pratica alle Cliniche Oculistiche Veni Vidi.

• Membro di ESCRS e ASCRS, mantenendosi all'avanguardia nelle tecniche di chirurgia della cataratta
• Certificato dal Consiglio Internazionale di Oftalmologia
• Partecipa regolarmente a congressi globali di oftalmologia per apprendere gli ultimi sviluppi
• Detiene prestigiose affiliazioni in numerose società oftalmiche internazionali

Il dottore si è laureato presso la Facoltà di Medicina dell'Università di Akdeniz e ha completato la formazione professionale presso l'Ospedale di Insegnamento e Formazione Bozyaka di Izmir, Turchia. Specializzandosi in oftalmologia, il dottore è membro di diverse organizzazioni prestigiose, tra cui la Società Oftalmologica Tedesca, l'Accademia Americana di Oftalmologia e la Società Europea di Chirurghi della Cataratta e Refrattiva.<\/p>

Certificato in procedure avanzate come l'applicazione LASIK, la correzione della presbiopia con lenti intraoculari multifocali e le tecniche di fissazione sclerale, il dottore è anche esperto nel cross-linking del collagene corneale e nelle applicazioni femtosecond per la chirurgia del segmento anteriore.<\/p>

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.