Lagogiannis A., Kanakis M., Pallikari A , Papadeas D., Georgakopoulos K., Pharmakakis N.
Department of Ophthalmology, University of Patras School of Medicine, Patras, Greece

Small magnitude of astigmatism. Is it worth using toric IOL or not?
Banteka M., Kalouda P., Mavroudis L.
LMVision Clinic- Laser and Microsurgery Day Clinic-Thessaloniki

Outcomes of Intraocular Lens Exchange in a Tertiary Hospital
Vakros George1, Bourkiza Rabia 2,1
Moorfields Eye Hospital, London, United Kingdom
2 Central Middlesex Hospital, London, United Kingdom

A new technique using highly accurate refractive surgery tools to correct astigmatism in cataract surgery with toric intraocular lenses
Kalouda P., Banteka M., Mavroudis L., Eleftheriadou D.
LMVision- Ophthalmic Microsurgery Day Clinic, Thessaloniki, Greece

Scleral IOL fixation from an anterior chamber surgeon. Tips and tricks regarding the Yamane techique!
Mavroudis L., Banteka M., Kalouda P.
LMVision Clinic- Laser and Microsurgery Day Clinic-Thessaloniki

The Effect of Femtosecond Laser on Pupil Size in Eyes with Cataract Pre-treated with an NSAID
Alexandros P. Papadopoulos1
, Konstandina Athanasiou2, Filippos P. Papadopoulos3, Pantelis A. Papadopoulos1,2
1 Ophthalmo-Check Eye Center
Athens Metropolitan Hospital 3-King’s College, London

Updated results of non-retinal genetic eye disease patients recruited from a single centre into the UK 100,000 Genomes Project
Karastatiras Georgios 1,2
, Malka Samantha1, Webster Andrew1, Moosajee Mariya1
Moorfields Eye Hospital NHS Foundation Trust, London, UK

Athens Naval and Veterans Hospital, Athens, Greece

Preoperative Pupil Dilation in Cataract Surgery with two Different Methods: A Comparative Study
Pantelis A. Papadopoulos1,2
, Georgios Roussopoulos3, Alexandros P. Papadopoulos1, Konstandina Athanasiou1
Ophthalmo-Check Eye Center
Athens Metropolitan Hospital
Hypervision Eye Center

Sutureless, Transconjunctival, Trocar-Cannula-Based Flanged Intrascleral IOL Fixation: A retrospective review of 12 cases
Ioannis Tzamichas, Polyxeni Vsiloglou, Christina Keskini, Ioanna Mikropoulou, Kalliopi Papadopoulou, Mikes Glynatsis, Dimitrios Balatsoukas
Department of Ophthalmology, Hippokrateio General Hospital Of Thessaloniki, Greece

Visual acuity and patient satisfaction after bilateral implantation of a trifocal enhanced depth of focus intraocular lens
Kontadakis George, MSc, PhD, Karyotakis Nikolaos, MSc, PhD, Pallikaris Ioannis, MD, PhD
Institute of Vision and Optics, University of Crete

Preoperative and Postoperative Comparison of Endothelial Cell Density (ECD) in Patients with and without PEX after phacoemulsification cataract extraction
Prof. Vassilios Kozobolis, Eleni Kaloghianni
Eye Institute of Thrace, Democritus University of Thrace, Alexandroupolis, Greece
General Hospital of Veroia

Clinical Outcomes of Refractive Lens Exchange with Multifocal IOLs in Plano Presbyopic Patients
Mr. Dimitrios Kazakos
Optical Express, LONDON, United Kingdom

Visual outcome and complication rate of cataract surgery performed by residents after the 2-year implementation of a risk-factor grading system
Rodanthi Christina Bartzoulianou
, Despina Kechagia, Aikaterini Giannoukaki, Panagiotis Ageladarakis, Savvas Diafas, Stefanos Maloutas, Dimitrios Peironidis, Thomas Papathomas, Theodoros Giannopoulos, Fotis Topouzis
1st Department of Ophthalmology, Aristotle University of Thessaloniki, AHEPA Hospital, Greece

Evaluation of meibomian gland dysfunction before cataract surgery
Panos S. Gartaganis
, Efthmios I. Karmiris, Ioannis P. Giannakis
Department of Ophthalmology, 251 Hellenic Airforce General Hospital, Athens, Greece

Multifocal Intraocular Lens Exchange: A Large Case Series

Mr. Dimitrios Kazakos
Optical Express, LONDON, United Kingdom

Intra- and early postoperative complications in phacoemulsification cataract surgery at Hippokrateio General Hospital of Thessaloniki: A retrospective chart review of 6744 cases
Papadopoulou K., Tzamichas I., Karasavvidou E., Papazacharia A., Vasiloglou P., Mikropoulou I., Glynatsis M., Balatsoukas D.
Department of Ophthalmology, Hippokrateio General Hospital of Thessaloniki, Greece.

Impact of 0.1% sodium hyaluronate and 0.2% sodium hyaluronate artificial tears on postoperative discomfort following cataract extraction surgery. A comparative study
Eleftherios Chatzimichael, Eirini – Kanella Panagiotopoulou, Paschalis Ntountoulakis, Aikaterini Mpritsou, Sergios Taliantzis, Ioannis Fotiadis, Maria Gkika, Aristeidis Konstantinidis, Irfan Perente, Doukas Dardabounis, Konstantinos Ioannakis, Georgios Labiris
Democritus University of Thrace, Alexandroupolis, Greece

Clinical features and outcomes of pars plana vitrectomy in patients with retained lens fragments after complicated phacoemulsification: A 2-year review
Ιoannis Tzamichas, Ioanna Mikropoulou, Christina Keskini, Polyxeni Vasiloglou, Kalliopi Papadopoulou, Mikes Glynatsis, Dimitrios Balatsoukas
Department of Ophthalmology, Hippokrateio General Hospital of Thessaloniki, Greece


Cornea-Refractive Surgery

Mallias Ioannis MD PhD, Tsirmpa Evi BSc
Laser plus eye, Nea Smyrni, Athens, Greece

Blinking patterns in Dry Eye Disease. Preliminary results
Ms. Eirini – Kanella Panagiotopoulou
, Dr. Sergios Taliantzis, Mr. Eleftherios Chatzimichael, Mr. Panagiotis Gianellos, Ms. Athanasia – Maria Mikropoulou, Mr. Ioannis Fotiadis, Dr. Maria Gkika, Mr. Aristeidis Konstantinidis, Mr. Irfan Perente, Mr. Doukas Dardabounis, Dr. Georgios Labiris
Democritus University of Thrace, University Hospital of Alexandroupolis, Alexandroupolis, Greece

Candida glabrata endophthalmitis following Triple-DSAEK procedure in a patient with positive donor rim culture
Ms. Eleni Konstantinidou
, Emmanouil Mavrikakis, Georgios Ganderis, Xanthipi Grammatoglou, Anastasia Dimitriadi, Ioanna Gardeli, Aglaia Korombilia, Stavroula Daoula, Dr. Dimitrios Miltsakakis
GNA “G. Gennimatas”, Athens, Greece

Bilateral Spontaneous Corneal Perforations in a Patient with Follicular Dendritic Cell Sarcoma and Distant History of Paraneoplastic Pemphigus
Klavdianou Olga1,
Venkateswaran Nandini, MD2, Kondylis Georgios1, Kosmidis Ioannis1, MD, Palioura Sotiria, MD, PhD2,3
1 National and Kapodistrian University of Athens School of Medicine, Athens, Greece
Department of Ophthalmology, Bascom Palmer Eye Institute, Miami, Florida, USA

Athens Vision Eye Institute, Cornea Service, Athens, Greece

Bilateral Progressive Keratoconus, Severe Pectus Excavatum, and Generalized Musculosceletal Dystrophy
Kondylis Georgios,1 Klavdianou Olga,1 Palioura Sotiria, MD, PhD2
1 National and Kapodistrian University of Athens School of Medicine, Athens, Greece
2Athens Vision Eye Institute, Cornea Service, Athens, Greece

Macula microvasculature changes in patients with primary open angle and normal tension glaucoma; an OCTA study
Dr. Anna Dastiridou1,2
, Maria Samouilidou1, Paraskevi Riga1, Eleftherios Anastasopoulos1, Sofia Androudi2, Nikolaos Ziakas1
1 2nd Ophthalmology Dpt AUTH, Greece
2 Ophthalmology Dpt, University of Thessalia, Larissa, Greece

Innovative Ocular Implants with Controlled Pharmacokinetics
Ilias Maragkos1, Evripidis Sykakis1, Vasileios Selimis1, Stavroula Voulgaraki1, Nanji Lu1, Athanasios Skouras2,4, Minas M. Stylianakis2, Katerina Anagnostou2, Dimitrios M. Kosmidis2, Konstantinos Petridis3, Paraskevi Kavatzikidou5, Phanee Mangana5, Evangelos Skoulas5, Anthi Ranella5, Emmanuel Kymakis2, Emmanuel Stratakis5, Ioannis M. Aslanides1*
1 Emmetropia Mediterranean Eye Institute, Heraklion, 71201, Crete, Greece.
2 Electrical & Computer Engineering Department, Hellenic Mediterranean University, Heraklion 71410, Crete, Greece.
3 Department of Electronic Engineering, Hellenic Mediterranean University, Chania 73132, Greece.
4 Department of Life Sciences, School of Sciences, European University Cyprus, Nicosia, Cyprus.
5 Foundation for Research and Technology – Hellas (F.O.R.T.H.), Institute of Electronic Structure and Laser (I.E.S.L.), Vassilika Vouton, Heraklion, 71110, Greece.
*Corresponding author’s email:

Sub-threshold laser treatment for dry eye disease due to meibomian gland dysfunction
Kappos N., Zouzoulas E., Liarakos V., Giannikakis S.
Ophthalmology Department, Naval Hospital of Athens, Athens, Greece

Our early experience with the use of the iVis Laser Suite refractive platform in the first refractive and therapeutic cases using trans-PRK (cTen)
Charalambos Koulas, MARIANTHI CHIRIDOU
Attiko Ophthalmologiko, , Greece

Lighting needs of patients that underwent pseudophakic presbyopic corrections. A theoretical approach
Dr. Labros Doulos1,2
, Ms. Eirini – Kanella Panagiotopoulou1, Dr. Sergios Taliantzis1, Mr. Sempaetin Edirneli1, Ms. Aisel Mehmet1, Mr. Ioannis Fotiadis1, Dr. Maria Gkika1, Mr. Aristeidis Konstantinidis1, Mr. Irfan Perente1, Mr. Doukas Dardabounis1, Dr. Georgios Labiris1
1 Democritus University of Thrace, University Hospital of Alexandroupolis, Alexandroupolis, Greece
2 Lighting Laboratory, National Technical University of Athens, Athens, Greece

A curious case of an intraocular anterior segment membrane; approach to diagnosis and management
Ms. Anastasia Gkiala1
, Diana Laura2, Sotiria Palioura2,3
National Kapodistrian University Of Athens, Medical School, Athens, Greece
Bascom Palmer Eye Institute, Department of Ophthalmology, University of Miami, Miller School of Medicine, Miami, United States of America
Athens Vision Eye Institute, Kallithea, Greece

Outcomes of Phacoemulsification combined with two iStent Inject Trabecular Microbypass Stents and Endocyclophotocoagulation
Mr. Minas Georgopoulos1,2, Mr Gokulan Ratnarajan3
Surrey And Sussex Nhs Healthcare Trust, , United Kingdom
Spire Gatwick Park, , United Kingdom
Queen Victoria NHS Trust, , United Kingdom

The effect of pseudophakia on trabeculectomy success
Dr. Aliki Liaska
Department of Ophthalmology, General Hospital of Lamia, LAMIA, Greece

The first in Greece DMEK operation with the pull-through technique (DMEK Endoglide) in a patient with bullosa
Miltsakakis Dimitrios, Gardeli Ioanna, Konstantinidou Elena, Daoula Stavroula, Korobilia Aglaia, Krombas Ioannis
Eye Clinic, General Hospital of Athens ‘G. Gennimatas’.

Diagnostic value of color vision changes in various ocular diseases
Almpanidou S., Almaliotis D., Kalliris G., Karamitopoulos L., Karampatakis V.
Laboratory of Experimental Ophthalmology Medical Department, Aristotle University of Thessaloniki

A novel protocol for cataract surgery in patients with cicatrizing ocular surface disease

Dr. Apostolos Lazaridis1,2, Miss Nada Alfahad1, Dr. Ahmad Mohammad1, Dr. Saaeha Rauz1,3
1 Birmingham and Midland Eye Centre, Birmingham, United Kingdom,
2 Department of Ophthalmology, Philipps University of Marburg, Marburg, Germany,
3 Academic Unit of Ophthalmology, Institute of Inflammation and Ageing, University of Birmingham, Birmingham, United Kingdom

Corneal remodeling after myopic SMILE versus FS-LASIK – A spatial analysis of short- and mid-term corneal thickness, volume and shape changes
Dr. Apostolos Lazaridis, Dr. Bogdan Spiru, Prof. Konstantinos Droutsas, Dr. Elefterios Giallouros, Prof. Walter Sekundo
Department of Ophthalmology, Philipps University οf Marburg, , Germany

Results of XEN gel stent implantation

Dr. Anthia Papazoglou, Dr. Markus Tschopp
Cantonal Hospital Aarau, , Ελβετία

Prevention of cystoid macular edema after cataract surgery in patients with diabetes mellitus: a randomized study

Dr. Irini Chatziralli, Dr Eleni Dimitriou, Dr Dimitrios Kazantzis, Dr Genovefa Machairoudia, Dr Konstantinos Ananikas, Professor Panagiotis Theodossiadis
2nd Department of Ophthalmology, University Of Athens, Athens, Greece

Hypertension is more frequent than diabetes mellitus in Greek cataract patients regardless of cataract type

Dr. Ioanna Mylona, Dr Maria Dermeoundi, Professor Nikolaos Ziakas, Professor Ioannis Tsinopoulos
2nd Department of Ophthalmology, Medical School, Aristotle University of Thessaloniki, , Greece

IFIS is less frequent in patients with increased pupil diameter while taking into account epinephrine administration

Ioanna Mylona, Maria Dermenoudi, Nikolaos Ziakas, Ioannis Tsinopoulos
2nd Department of Ophthalmology, School of Medicine, Aristotle University, Greece

Diabetic Retinopathy- Diagnostics and Treatment Options
Mr. Konstantinos Achtaropoulos1, Prof. Efstathios Detorakis2, Mr. Emilios Zisoulis3, Prof Vassilios Kozobolis4
1EIT (Eye Institute Thrace) / Democritus University Of Thrace, General Hospital Karditsa, , Greece,
2Associate Professor of Ophthalmology, University of Crete, , Greece,
3Koutlimbaneio General Hospital, Larissa, Greece,
4Professsor of Ophthalmology, Democritus University of Thrace, , Greece

Perforating corneal trauma with intraocular foreign body. Management from A to Z
P. Ntonti, T. Panakleridou, S. Tsironi, E. Koutsianou, E. Siskou, E. Theofrastou, S. Karachrysafi, N. Nanos, E. Fadel
G.H.T. “G. Papanikolaou”, Ophthalmology clinic, Thessaloniki, Greece

Irvine Gass Syndrome and Pseudophakic Bullous Keratopathy: Which one to treat first?
Tzamalis A, Karamitsos A, Diafas A, Tsinopoulos I, Ziakas N.
2nd Department of Ophthalmology, Aristotle University of Thessaloniki, Papageorgiou General Hospital, Thessaloniki, Greece

Case report of iris prolapse associated with Gore-Tex sutures.

Dr. Despina Eleftheriadou, Dr Marina Banteka, Dr Pelagia Kalouda, Dr Leonidas Mavroudis
LΜ Vision, Thessaloniki, Greece

Scleral – fixated Carlevale IOL
Georgios Chatzilaou MD, Stratos Gotzaridis MD
Μy Retina Athens Eye Center, Athens Greece

Clinical outcomes of micro-thin Descemet Stripping Automated Endothelial Keratoplasty versus Descemet Membrane Endothelial Keratoplasty: a randomized clinical trial

Artemis Matsou, Rathin Pujari, John Sharp, Madhavan Rajan
Cornea Department, Addenbrookes Hospital, Cambridge University Hospitals, Cambridge, UK

Corneal melting after cataract surgery. Treatment with conjunctival flap

Stathi T., Giannoulakos G., Moula K., Dervenis P., Vasilakis P., Rempapis I.
Ophthalmology Department General Hospital of Trikala, Trikala, Greece

Phacoemulsification Alone versus Phacoemulsification Combined with Trabeculectomy for Primary Angle-Closure Glaucoma

Dr. Aliki Liaska, Mrs Dimitra Mitsiou, Mrs Efstathia Makri, Mrs Styliani Stamelou, Mrs Konstantina Andrianopoulou
Department of Ophthalmology, General Hospital of Lamia,Lamia, Greece, LAMIA, Greece

Cataract Surgery: Is an Anesthesiologist Necessary?

Dr. George Kontadakis1,2, Dr Vasileios Peponis2, Anna Vernikou2, Panagiotis Koumoutsos2, Michael Gerakidis2, Elli Ktena2, Elisavet Themistokleous2, Vasilia Konstantinidou2, Dimitrios Karagiannis2, Efstratios Parikakis2
1 University of Crete, Department of Ophthalmology, , Greece,
2 Ophthalmiatreio Eye Hospital of Athens, Athens, Greece

Resolution of epithelial ingrowth after combined photorefractive keratectomy and corneal cross-linking in a patient with post-LASIK corneal ectasia

Michael A. Grentzelos MD, PhD1, Nafsika Voulgari MD1, Kate Hashemi MD1, Dimitrios Mikropoulos MD, PhD2, Myrsini Petrelli MD1, George D. Kymionis MD, PhD1
1 Department of Ophthalmology, University of Lausanne, Jules-Gonin Eye Hospital, Fondation Asile des aveugles, Lausanne, Switzerland1
2 University Department of Ophthalmology, AHEPA Hospital, Thessaloniki, Greece

Van Rijn Rembrandt, the Possibility of Ophthalmic Disease, Thevisual Perception and the Occult Element in his work

Georgios Balanikas1, Dimitrios Peironidis1, Christina Georgiadou1, Dora Papapavlidou1 , Georgios Giannoulakos1 , Dimitrios Christodoulou2
1 A’ Ophthalmologic Clinic Ahepa Hospital
Laboratory Of History Of Medicine,Medical School, Aristotle University of Thessaloniki

6-year prevalence of pseudoexfoliation syndrome and of associated complications during cataract surgery in northern Greece

Dr. Efthymios Chalkias, Dr. Ioannis-Nikolaos Chalkias, Dr. Dimitrios Peironidis, Dr. Georgios Balanikas, Dr. Michael Tsatsos

Phacoemulsification in Primary Angle-closure Glaucoma eyes with Cataract: evaluation of IOP Reduction, ECD (endothelial cell density) and CCT (central corneal thickness)

Prof. Vassilios Kozobolis
Democritus University of Thrace, Alexandroupolis, Greece

YAG Laser Capsulotomy and IOP

Mihailidou Nikoleta, Mouteveli Athina, Stergiopoulos Thomas, Antoniadou Christina, Lathouris Nikolaos, Tsaldari Nikoleta
Eye Clinic, General Hospital “Agios Dimitrios”, Thessaloniki

Diplopia after cataract surgery

Dr. Dimitra Gousia1,2
1Ophthalmore, Premium Ophthalmic Practice, Thessaloniki, Greece, 2Krankenhaus St Joseph Stift,
2 Bremen, Germany, 3Southend University Hospital, UK

IFIS in female patients: is that an oxymoron?
Dr. Efthimios Chalkias, Dr. Ioannis Nikolaos Chalkias1, Dr. Dimitra Gousia, Dr. Dimitrios Pironidis, Dr. Tsatsos Michalis
1 ΑHEPA, Greece

Dr. Georgios Balanikas1,2, Ms Christina Georgiadou1, Dr Dimitrios Mantsios1, Dr Dimitrios Peironidis1, Dr Savvas Diafas1, Dr Stefanos Maloutas1, Dr DIMITRIOS CHRISTODOULOU2, Dr Vasileios Karampatakis3
1 Aristotle University of Thessaloniki, A’ Ophthalmologic Clinic, AHEPA Hospital, Thessaloniki, Greece
2 Aristotle University of Thessaloniki, Laboratory of History of Medicine, Thessaloniki, Greece

Novel technique for anterior chamber angle imaging via smartphone without using slit lamp
Kappos N., Zouzoulas E., Verykios A., Liarakos V., Kavalarakis E., Giannikakis S.
Naval Hospital of Athens

Mr. Angelos Diafas1, Mr Michael-Panagiotis Zamanis1, Mrs Fani Akritidou2, Mrs Sofia Karachrysafi3, Mrs Theodora Papamitsou4, Mrs Antonia Sioga4
1 Medicine Faculty AUTH, Thessaloniki, Greece
2 General Hospital of Serres, Serres, Greece,
3 General Hospital of Thessaloniki “G. Papanikolaou”, Thessaloniki, Greece,
4 Department of histology-Embryology AUTH, Thessaloniki, Greece

Characteristic features of the iVis Laser Suite refractive platform
Ch. Koulas1, Μ. Hirides2
1 Ophthalmologist, 2 Optometrist

Femtosecond Laser Cataract Surgery (FLACS) in a Case of Mature Cataract
Pantelis A. Papadopoulos, Konstandina Athanasiou, Alexandros P. Papadopoulos
Ophthalmo-Check Eye Center, Athens Metropolitan Hospital

Toric decisions made easier! Which lens and where to place it. A new highly accurate technique!

Banteka M., Kalouda P., Mavroudis L.,
LMVision Clinic- Laser and Microsurgery Day Clinic-Thessaloniki

The use of Ahmed capsular tension segment during cataract surgery

Eleftheriadou D., Banteka M., Kalouda P., Mavroudis L.
LM Vision, Microsurgery Day Care Clinic, Thessaloniki

When gravity is not on your side
Ilias Papandreou1
, Vaughan Tanner2
1Athens Ophthalmic Day Clinic, , Greece
2Royal Berkshire Hospital, , United Kingdom

Pupil reconstruction and artisan lens implantation following complicated removal of posterior capsular intraocular lens implant and secondary pupil defect

Dr. Charikleia Papandreou1, Mr Anil J Singh
1 East And North Hertfordshire Nhs Trust, United Kingdom

Phacoemulsification in the white cataract

Liaska A, Makri E, Mitsiou D, Stamelou S, Andrianopoulou K
Department of Ophthalmology, General Hospital of Lamia,Lamia, Greece, LAMIA, Greece

Ultra-Thin DSAEK using the EndoSerter Insertion Device in a patient with Axenfeld-Rieger Syndrome

Dr. Sotiria Palioura
Private, Athens, Greece

Safety First: Anterior Chamber Stability During Cataract Surgery

Pantelis A. Papadopoulos, Konstandina Athanasien, Alexandros P. Papadopoulos
Ophthalmo-Check Eye Center, Athens Metropolitan Hospital

Implantation of a Glaucoma Drainage Device Combined with Simple Limbal Epithelial Transplantation in a Monocular Patient with Limbal Stem Cell Deficiency

Dr. Sotiria Palioura, Dr. Theodoros Filippopoulos
Athens Vision Eye Institute, Athens, Greece

Refashioning a trabeculectomy flap with pericardium graft in a dysesthetic bleb
Dimitrios P. Besinis 1,2, Georgios Tsolkas1
Ophthalmic Clinic Ipapanti, Athens, Greece
2 Dimitrios P. Besinis Private Practice, Nea Smyrni, Athens, Greece

FLACS vs Manual Phaco: Advantages and Disadvantages

Pantelis A. Papadopoulos, Alexandros P. Papadopoulos
Ophthalmo-Check Eye Center
Athens Metropolitan Hospital

Combining a new scleral-fixated sutureless intraocular lens (Soleko Carlevale) with Descemet Stripping Automated Endothelial Keratoplasty
Myrsini Petrelli1, Michael Grentzelos1, Petros Petrou2, Konstantinos Droutsas2, Georgios Kymionis1
1 Université de Lausanne, Jules Gonin Eye Hospital, Lausanne, Switzerland,
2 1st Department of Ophthalmology, University of Athens, Athens, Greece

Limbus reconstruction and tube reposition using multiple corneoscleral grafts after tube exposure associated with corneal melting and iris prolapse
Dr. Stylianos A. Kandarakis1, Dr. Marios Timpilis1, Dr. Kalliopi Giannopoulou1, Dr. Angeliki Andrianaki1, Dr. Evangelia Papakonstantinou1, Dr. Andreas Diagourtas1
1 First Department of Ophthalmology, University of Athens Medical School, G. Genimmatas General Hospital Athens, Athens, Greece, Athens, Greece

DSAEK on Valve
Dr. Ioannis Kassos, Dr. Eirini Oustoglou, Dr. Argyrios Tzamalis, Prof. Nikolaos Ziakas
2nd Department of Ophthalmology, Aristotle University of Thessaloniki, Thessaloniki, Greece