Congress Presentations and Abstracts
Scientific work presented by Prof. Dr. Fırat Helvacıoğlu at international congresses, with patient-friendly summaries of selected presentations.
Between 2004 and 2019, Prof. Dr. Fırat Helvacıoğlu delivered 71 presentations at international scientific meetings, particularly the ESCRS and ASCRS congresses. His work covers cataract surgery, smart lenses, the cornea and keratoconus, refractive surgery and ocular surface diseases. He has also given 70 presentations at the national congresses of the Turkish Ophthalmological Association.
Presentation summaries
We summarise selected congress presentations in language that patients can also understand. New summaries will be added to this section over time.
Fields of work
Distribution of international presentations by topic:
International presentations (2004–2019)
The list is compiled from Prof. Dr. Fırat Helvacıoğlu’s curriculum vitae and includes work presented at international scientific meetings and published in the abstract books. Titles are given in the language in which they were presented (English).
2019 5 presentations
Visual, Refractive, Topographic and Wavefront Outcomes of Trans Photorefractive keratectomy in Virgin Eyes
37th ESCRS Congress · Paris
S. Kaya Ünsal, F. Helvacıoğlu, E. Sunay
Topographic Factors affecting dissatisfaction after trifocal IOL implantation
37th ESCRS Congress · Paris
S. Kaya Ünsal, F. Helvacıoğlu, E. Sunay
Early outcomes of a new posterior chamber phakic intraocular lens in patients with high myopia
37th ESCRS Congress · Paris
E. Sunay, F. Helvacıoğlu, S. Kaya Ünsal, Ö. Kavalcıoğlu
Long-term outcomes of keratoconus management with corneal wavefront-guided normalisation combined with corneal cross-linking stabilisation
37th ESCRS Congress · Paris
E. Sunay, F. Helvacıoğlu, S. Kaya Ünsal, Ö. Kavalcıoğlu, E. Bulut
Postoperative visual performance with a bifocal and trifocal diffractive intraocular lens
37th ESCRS Congress · Paris
F. Helvacıoğlu, E. Sunay, S. Kaya Ünsal, Ö. Kavalcıoğlu, E. Bulut
2018 5 presentations
Helvacioglu coefficient optimizing factor for torsional phacoemulsification
36th ESCRS Congress · Vienna
F. Helvacıoğlu
Topographic Factors affecting dissatisfaction after trifocal IOL implantation
36th ESCRS Congress · Vienna
S. Kaya Ünsal, F. Helvacıoğlu, E. Sunay
Pterygium excision with extended limbal conjunctival auto-grafting
36th ESCRS Congress · Vienna
S. Kaya Ünsal, F. Helvacıoğlu, E. Sunay
Three years’ outcomes of keratoconus management with corneal wavefront-guided normalization combined with corneal cross-linking stabilization
36th ESCRS Congress · Vienna
E. Sunay, F. Helvacıoğlu, Ö. Kavalcıoğlu, A. Akyurt, S. Kaya Ünsal, T. Akin
PRK Fine Tuning After Multifocal IOL Implantation
36th ESCRS Congress · Vienna
F. Helvacıoğlu, E. Sunay, S. Kaya Ünsal, Ö. Kavalcıoğlu, A. Akyurt, T Akın
2017 3 presentations
Biometric analysis and refractive outcomes of cataract surgeries performed by implantation of trifocal IOL
35th ESCRS Congress · Lisbon
S. Kaya Unsal, F. Helvacıoğlu, E. Sunay
Residual viscoelastic material in the bag, an important factor yielding refractive shifts after plate haptic multifocal IOL implantation
35th ESCRS Congress · Lisbon
F. Helvacıoğlu, E. Sunay, S. Kaya Ünsal, Ö. Kavalcıoğlu, A. Akyurt
Two year outcomes of keratoconus management with corneal wavefront-guided normalization combined with corneal cross-linking stabilization
35th ESCRS Congress · Lisbon
E. Sunay, F. Helvacıoğlu, Ö. Kavalcıoğlu, A. Akyurt, S. Kaya Ünsal, T. Akin
2016 4 presentations
Haze after excimer laser
SCHWIND User Meeting · Istanbul
F. Helvacıoğlu
Outcomes of corneal wavefront guided surface ablation for treatment of keratokonus
SCHWIND User Meeting · Istanbul
E. Sunay, F. Helvacıoğlu
Short term outcomes of keratoconus management with corneal wavefront-guided normalization combined with corneal cross-linking stabilization
34th ESCRS Congress · Copenhagen
E. Sunay, F. Helvacıoğlu, Ö. Kavalcıoğlu, A. Akyurt, T. Akin
Long term outcomes of cornea modulation with excimer laser for simultaneous correction of presbyopia and ametropia
34th ESCRS Congress · Copenhagen
E. Sunay, F. Helvacıoğlu, Ö. Kavalcıoğlu, A. Akyurt, T. Akin
2014 2 presentations
Effects of misalignment in OCT scans
12th International Spectralis Symposium · Istanbul
F. Helvacıoğlu, O.M. Uyar, S. Şencan, Z. Tunç, Z. Kapran
The role of Muller cell complex in the formation of eccentric macular hole formation after vitrectomy with internal limiting membrane peeling for the treatment of epiretinal membrane
12th International Spectralis Symposium · Istanbul
Z. Kapran, F. Helvacıoğlu, O.M. Uyar, Ö. Cam, S. Şencan
2011 7 presentations
Ozil ip torsional mode versus combined torsional/longitudinal microcoaxial phacoemulsification
15th ESCRS Winter Meeting · Istanbul
F. Helvacıoğlu, C. Yeter
The results of microcoaxial phacoemulsification surgeries performed by ozil ip torsional mode
15th ESCRS Winter Meeting · Istanbul
F. Helvacıoğlu, C. Yeter
Comparison of microcoaxial and conventional phacoemulsification surgeries performed by combined torsional/longitudinal settings
15th ESCRS Winter Meeting · Istanbul
C. Yeter, F. Helvacıoğlu
Comparison of microcoaxial and biaxial phacoemulsification surgeries performed by combined torsional/longitudinal settings
15th ESCRS Winter Meeting · Istanbul
C. Yeter, F. Helvacıoğlu
Evaluation of keraring segments for treatment of keratoconus with a unique mechanical implantation device
8th Congress of the South-East European Ophthalmological Society and 9th Congress of the Black Sea Ophthalmological Society · Istanbul
Z. Tunc, F. Helvacıoğlu, S. Şencan
Evaluation of keraring segments for treatment of post lasik ectasia with a unique mechanical implantation device
8th Congress of the South-East European Ophthalmological Society and 9th Congress of the Black Sea Ophthalmological Society · Istanbul
Z. Tunc, F. Helvacıoğlu, S. Şencan
Demographic features of contact lens applied patients in department of ophthalmology, maltepe university school of medicine
41st ECLSO Congress (European Contact Lens and Ocular Surface Society) · Istanbul
Z. Akingöl, S. Şencan, F. Helvacıoğlu
2010 3 presentations
The results of conventional phacoemulsification surgeries performed with ice and case settings
ASCRS · ASOA 2010 Symposium and Congress · Boston
F. Helvacıoğlu
The outcomes of mics with cruise control system vs mics with less US power and higher vacuum settings in hard cataracts
ASCRS · ASOA 2010 Symposium and Congress · Boston
F. Helvacıoğlu, S. Şencan, H. Oğuzhan, C. Yeter
Bilateral exotropia following pterygium surgery: a case report
11th Meeting of the International Strabismological Association (ISA) · Istanbul
S. Şencan, H. Oğuzhan, G. Turgut, F. Helvacıoğlu
2007 4 presentations
Outcomes of sealed-capsule irrigation system (perfect capsule) in preventing posterior capsule opacification after cataract surgery
ASCRS · ASOA 2007 Symposium and Congress · San Diego
S. Şencan, F. Helvacıoğlu, S. Özdemir, H. Oğuzhan
Penetrating keratoplasty operations with and without vancomycin application
ASCRS · ASOA 2007 Symposium and Congress · San Diego
Y. Celal, F. Helvacıoğlu, H. Oğuzhan, S. Şencan
Use of sealed capsule irrigation system (perfect capsule) in myopic eyes
ASCRS · ASOA 2007 Symposium and Congress · San Diego
F. Helvacıoğlu, S. Özdemir, H. Oğuzhan, S. Şencan
The outcomes of bimanual microincision cataract surgery (mics) performed by the aid of whitestar ice and case systems in hard cataracts
25th ESCRS Congress · Stockholm
H. Oğuzhan, S. Şencan, F. Helvacıoğlu, C. Erşahin
2006 16 presentations
The effects of periocular mechanical massage on the ocular blood flow
24th ESCRS Congress · London
E. Yüzbaşıoğlu, F. Helvacıoğlu, B. Tuğcu, A. Köprübaşı, S. Şencan
Culture results of the donor cornea rims which were used in the penetrating keratoplasty operations with or without vancomycin application
24th ESCRS Congress · London
F. Helvacıoğlu, H. Bilen, H. Oguzhan, B. Korkmaz, S. Sencan
The outcomes of conventional and bimanual microincision phacoemulsification with cruise control system performed in cataracts with hard nuclei
24th ESCRS Congress · London
S. Özdemir, S. Şencan, F. Helvacıoğlu, H. Oğuzhan, C. Erşahin
The Comparison of conventional and bimanual microincision phacoemulsification performed in cataracts with hard nuclei
24th ESCRS Congress · London
S. Şencan, F. Helvacıoğlu, H. Oğuzhan, A. Köprübaşı, E. Yuzbaşıoğlu
The efficiency of cruise control system in bimanual microincision cataract surgery (mics) in hard cataracts
24th ESCRS Congress · London
S. Şencan, F. Helvacıoğlu, S. Özdemir, E. Yüzbaşıoğlu, H. Bilen
The outcomes of bimanual microincision cataract surgery (mics) performed by the aid of cruise control system in hard cataracts
24th ESCRS Congress · London
F. Helvacıoğlu, S. Şencan, S. Özdemir, E. Yüzbaşıoğlu, H. Oğuzhan
Cataract surgery in a case with nanophthalmos
24th ESCRS Congress · London
E. Yüzbasıoğlu, F. Helvacıoğlu, S. Şencan, B. Tuğcu, H. Yıldırım
Three year survey of demographic data of cornea donors of hm haseki education and research hospital eye bank
24th ESCRS Congress · London
C. Gürez, H. Oğuzhan, B. Korkmaz, F. Helvacıoğlu, S. Şencan
Three year survey of the serologic screening and risk assessment of the blood samples of cornea donors in the HM Haseki eye bank
24th ESCRS Congress · London
C. Gürez, H. Oğuzhan, B. Korkmaz, F. Helvacıoğlu, S. Şencan
The comparison of preoperative subconjunctival mitomycin c application and superior temporal limbal conjunctival autografting to prevent recurrence of pterygium
24th ESCRS Congress · London
F. Helvacıoğlu, B. Tuğcu, E. Yüzbaşıoğlu, Ç. Tanrıverdi, S. Şencan
The serologic screening and risk assessment of the blood samples of cornea donors in the HM haseki eye bank
24th ESCRS Congress · London
A. Köprübaşı, H. Oğuzhan, B. Korkmaz, F. Helvacıoğlu, S. Şencan
Three year survey of preoperative corneal diagnosis of keratoplasties that were performed with the corneas prepared by Haseki eye bank
24th ESCRS Congress · London
S. Özdemir, B. Korkmaz, H. Oğuzhan, F. Helvacıoğlu, S. Şencan
The efficacy of sealed-capsule irrigation (perfectcapsule™) in preventing posterior capsule opacification in cataract surgery
24th ESCRS Congress · London
S. Şencan, F. Helvacıoğlu, H. Oğuzhan, C. Erşahin, E. Yüzbaşıoğlu
2 year results of pterygium surgery combined by superior temporal limbal conjunctival autografting
24th ESCRS Congress · London
B. Tuğcu, F. Helvacıoğlu, E. Yüzbaşıoğlu, C. Gürez, S. Şencan
Two year results of preoperative subconjunctival mitomycin c application to prevent recurrence of pterygium
24th ESCRS Congress · London
B. Tuğcu, F. Helvacıoğlu, E. Yüzbaşıoğlu, Ç. Tanrıverdi, S. Şencan
The serologic screening of blood samples of cornea donors that were harvested by HM Haseki eye bank
24th ESCRS Congress · London
E. Yüzbaşıoğlu, H. Bilen, B. Korkmaz, F. Helvacıoğlu, S. Sencan
2005 14 presentations
Bimanual microincision cataract surgery in eyes with various nucleus hardnesses
ASCRS · ASOA 2005 Symposium and Congress · Washington
M. A. Seylan, S. Sencan, A. Köprübaşı, E. Yüzbaşıoğlu, F. Helvacıoğlu, C. Gürez
One-year results of preoperative subconjunctival mitomycin-c application to prevent recurrence of pterygium
ASCRS · ASOA 2005 Symposium and Congress · Washington
F. Helvacıoğlu, B. Tuğcu, S. Şencan
Efficacy of enoxaparine in prevention of fibrinoid reaction in anterior segment surgery
ASCRS · ASOA 2005 Symposium and Congress · Washington
S. Şencan, E. Yüzbaşıoğlu, B. Tuğcu, M.A. Seylan, F. Helvacıoğlu, C. Tanrıverdi
Bimanual microincision cataract surgery (mics) in cataracts with soft nuclei
3rd International Congress of the Black Sea Ophthalmological Society · Istanbul
F. Helvacıoğlu, S. Şencan, M.A. Seylan, E. Yüzbaşıoğlu, H. Bilen
The outcomes of conventional and bimanual microincision phacoemulsification performed in cataracts with hard nuclei
3rd International Congress of the Black Sea Ophthalmological Society · Istanbul
S. Şencan, F. Helvacıoğlu, M.A. Seylan, E. Yüzbaşıoğlu, A. Köprübaşı
One and a half year results of preoperative subconjunctival mitomycin c application to prevent recurrence of pterygium
3rd International Congress of the Black Sea Ophthalmological Society · Istanbul
B. Tuğcu, F. Helvacıoğlu, M.A. Seylan, C. Gürez, S. Şencan
The clinic, the systemic, the metabolic and the electron microscopic evaluation of a case with christmas tree cataracts
3rd International Congress of the Black Sea Ophthalmological Society · Istanbul
B. Tuğcu, İ. Seçkin, S. Şencan, P. Ertürküner, F. Helvacıoğlu
The efficacy of sealed-capsule irrigation (perfectcapsule™) in preventing posterior capsule opacification after cataract surgery
23rd ESCRS Congress · Lisbon
M.A. Seylan, S.Şencan, F. Helvacıoğlu, C. Erşahin, H. Oğuzhan
Bimanual microincision cataract surgery (mics) in cataracts with hard nuclei
23rd ESCRS Congress · Lisbon
F. Helvacıoğlu, S. Şencan, M.A. Seylan, E. Yüzbaşıoğlu, H. Bilen
Superior temporal limbal conjunctival autografting to prevent recurrence of pterygium after excision
23rd ESCRS Congress · Lisbon
F. Helvacıoğlu, S. Şencan, B. Tuğcu, M.A. Seylan, E. Yüzbaşıoğlu, S. Özdemir
Preoperative corneal diagnosis of keratoplasties that were performed with the corneas prepared by Haseki eye bank
23rd ESCRS Congress · Lisbon
M.A. Seylan, A. Ağaçhan, S. Şencan, F. Helvacıoğlu, H. Oğuzhan
The demographic data of cornea donors of H.M. Haseki education and research hospital eye bank
23rd ESCRS Congress · Lisbon
M.A. Seylan, S. Şencan, F. Helvacıoğlu, E. Yüzbaşıoğlu, H. Bilen
The analysis of high and normal risk groups of cornea donors for seropositivity in the Haseki eye bank
23rd ESCRS Congress · Lisbon
S. Şencan, M.A. Seylan, F. Helvacıoğlu, E Yüzbaşıoğlu, B. Korkmaz
The endophthalmitis in the keratoplasty cases performed with the donor corneas prepared by the Haseki eye bank
23rd ESCRS Congress · Lisbon
S. Şencan, M.A. Seylan, F. Helvacıoğlu, E Yüzbaşıoğlu, H. Bilen
2004 8 presentations
The significance of risk factors in complications developing in phacoenulsification surgery of advanced cataracts
22nd ESCRS Congress · Paris
B. Tuğcu, F. Helvacıoğlu, G. Engin, S. Şencan
Clinical surgical approach to scleromalacia developed after pterygium surgery with intraoperative or preoperative mitomycin c application
22nd ESCRS Congress · Paris
F. Helvacıoğlu, B. Tuğcu, S. Şencan
Fixed dilated pupil following phakic intraocular lens implantation
8th Congress of the Mediterranean Ophthalmological Society · Antalya
E. Yüzbaşioglu, F. Helvacıoğlu, S. Şencan
Preoperative subconjunctival mitomycin c application to prevent recurrence of pterygium after excision
8th Congress of the Mediterranean Ophthalmological Society · Antalya
B. Tuğcu, F. Helvacıoğlu, S. Şencan
Needle and suture contamination in strabismus surgery
8th Congress of the Mediterranean Ophthalmological Society · Antalya
B. Tuğcu, S. Ördekçi, F. Helvacıoğlu, N. Terzi, S. Şencan
Clinical characteristics of amblyopic patients
8th Congress of the Mediterranean Ophthalmological Society · Antalya
F. Helvacıoğlu, B. Tuğcu, N Terzi, S. Şencan
The significance of risk factors in retinopathy of prematurity
8th Congress of the Mediterranean Ophthalmological Society · Antalya
B. Tuğcu, N. Terzi, F. Helvacıoğlu, K. Keskinbora, S. Şencan
Results of cataract nigra patients operated with mini-nuc technique
8th Congress of the Mediterranean Ophthalmological Society · Antalya
E. Yüzbaşioglu, F. Helvacıoğlu, N. Terzi, K. Keskinbora, S. Şencan
For articles published in peer-reviewed journals and book chapters, see the About page.
Contact Prof. Dr. Fırat Helvacıoğlu with your questions
Prof. Dr. Fırat Helvacıoğlu · Veni Vidi Eye Clinic, Bağdat Caddesi No: 257, Caddebostan – Kadıköy, Istanbul, Türkiye
