Dr Nikolaos I Dervenis has performed over 1,500 vitrectomies with 15 years of specialized experience in retina surgery. The procedure may cost around €2,000-2,700, typically covering pre-op consultations, complete ophthalmic assessment, surgery, and post-op check-ups. A UK-trained NHS consultant with FEBO certification, Dr Dervenis offers combined vitrectomy-phacoemulsification when needed and uses premium intraocular lenses. His clinic handles complex retinal cases like detachments and macular holes, with 91% patient recommendation rate.