Nikolaos Dervenis

Dr. Nikolaos Dervenis is an ophthalmic surgeon practicing in Thessaloniki and Larissa, Greece. He is credited with over 20,000 citations in international peer-reviewed journals. Dr. Dervenis brings skills from the UK National Health System (NHS) to eye care. He specializes in cataract surgery with intraocular lens (IOL) replacement, laser eye surgery, and vitrectomy.

Specialization and Surgical Focus

The doctor performs procedures for both the anterior and posterior segments of the eye. He performs cataract surgery using premium intraocular lens (IOL) replacement. His practice serves both adult and pediatric patients for general and complex conditions. Additionally, he specializes in LASIK eye surgery and managing keratoconus.

• Cataract surgery with multifocal lens implants
• Laser eye surgery including LASIK and SmartSight
• Vitrectomy — a surgery to remove the vitreous gel from the eye to treat retinal issues
• Management of keratoconus — a condition where the cornea thins and bulges into a cone shape
• Laser iridotomy and trabeculoplasty — laser treatments used to lower pressure in the eye for glaucoma patients

Dr. Dervenis accepts referrals for high-complexity cases. This includes patients with only one functional eye or brunescent cataracts — a form of advanced, hardened cataract. He also treats eyes that have previously undergone vitrectomy.

Clinical Achievements

The specialist has performed over 4,000 cataract surgeries during his career. He has also completed more than 1,500 vitrectomies. His research into ocular blood flow and retinal vessel diameters informs his clinical approach.

Work Experience

• Consultant Ophthalmic Surgeon – UK National Health System (NHS)
• Cataract Fellow – Moorfields Eye Hospital NHS Foundation Trust, UK (2018)
• Ophthalmology Fellow – Liverpool University Hospitals NHS Foundation Trust (2021)
• Specialist Practitioner – North West Anglia NHS Foundation Trust (2020)
• Academic Scholar – First University Ophthalmology Clinic, AHEPA Hospital

Education and Training

• 2000–2006 – Bachelor of Medicine and Surgery, Aristotle University of Thessaloniki
• 2007–2009 – MSc in Research Methodology in Medicine, Aristotle University of Thessaloniki
• 2014 – Specialty Certification in Ophthalmology, Greece
• 2015 – Fellow of the European Board of Ophthalmology (FEBO), Paris
• 2011–2019 – PhD in Ocular Blood Flow, Aristotle University of Thessaloniki
• Specialized in Ophthalmology – Greece and the UK

Research and Recognition

Dr. Dervenis contributes to ophthalmic science and has authored more than 55 articles in international journals. His work has influenced global standards in ocular research. He holds a membership with the European Society of Retina Specialists and the Greek Vitreo-Retinal Society. Furthermore, he serves as an Academic Scholar of the First University Ophthalmology Clinic at AHEPA Hospital.