Dr. Nikolaos I. Dervenis menyelesaikan pelatihan fellowship lanjutan di bidang glaukoma di Sussex Eye Hospital, Inggris. Sepanjang kariernya, ia telah melakukan lebih dari 4.000 operasi katarak dan lebih dari 1.500 operasi retina. Klinik ini menyediakan pemeriksaan glaukoma lengkap menggunakan OCT–OCTA dan tes lapang pandang. Dr. Dervenis adalah peneliti dalam Thessaloniki Eye Study, studi epidemiologi mata terbesar di Yunani. Ia tersertifikasi oleh European Board of Ophthalmology dan menawarkan perawatan iridotomi laser.
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Thessaloniki Vision Clinic is a specialized ophthalmology center in Thessaloniki, Greece. Its focus is corneal transplants, glaucoma surgery, and refractive vision correction. For layered corneal grafts, it reports a rejection rate of just 1%. Dr. Panagiotis Dervenis leads the clinic. He is a clinical researcher with over 25 publications in leading journals. These include Eye (Nature) and the British Medical Journal. He holds the FEBO diploma from the European Board of Ophthalmology.
Dr. Dervenis completed specialized training at Moorfields Eye Hospital in the United Kingdom. He has also practiced at King's College Hospital in London. Cataract surgery is a day procedure done with local anesthetic drops. This small-incision technique uses ultrasound energy and needs no stitches. For vision correction, advanced laser platforms support LASIK, PRK, and SMILE. The team uses femtosecond laser technology for maximum surgical accuracy.
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Dr. Dervenis completed specialized training at Moorfields Eye Hospital in the United Kingdom. He has also practiced at King's College Hospital in London. Cataract surgery is a day procedure done with local anesthetic drops. This small-incision technique uses ultrasound energy and needs no stitches. For vision correction, advanced laser platforms support LASIK, PRK, and SMILE. The team uses femtosecond laser technology for maximum surgical accuracy.
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Semuanya terjadi seperti yang kami harapkan dan lebih banyak lagi. Saya berterima kasih atas kehadiran Anda yang baik dan saya berterima kasih kepada Dr. Nikolaos Saya juga berterima kasih kepada semua dokter dan saya juga berterima kasih kepada Nona Vira. Semua rasa hormat dan penghargaan kepada Anda.","en":"Hello, how are you? My trip was absolutely indescribable and of the highest rating. The medical staff was wonderful and reliable and committed to the appointments. Everything happened as we had hoped and more. I thank you for your kind presence and I thank my Dr. Nikolaos I also thank all the doctors and I also thank Miss Vira very much. 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you","scope":"treatment_abroad","source":{"url":"https://www.nhs.uk/using-the-nhs/healthcare-abroad/going-abroad-for-treatment/treatment-abroad-checklist/","host":"nhs.uk","quote":"Have you checked the qualifications of the medical team treating you?","tier":"tier1_medical","fetched_at":"2026-11-12","http_status":200}},{"id":"C2","text":"Check that you can ask the team questions about your treatment","scope":"treatment_abroad","source":{"url":"https://www.nhs.uk/using-the-nhs/healthcare-abroad/going-abroad-for-treatment/treatment-abroad-checklist/","host":"nhs.uk","quote":"Have you been able to ask them questions about your treatment?","tier":"tier1_medical","fetched_at":"2026-11-12","http_status":200}},{"id":"C3","text":"Check the facilities and standards at the clinic or hospital","scope":"treatment_abroad","source":{"url":"https://www.nhs.uk/using-the-nhs/healthcare-abroad/going-abroad-for-treatment/treatment-abroad-checklist/","host":"nhs.uk","quote":"Are you satisfied with the facilities and standards at the clinic or hospital where you'll be treated?","tier":"tier1_medical","fetched_at":"2026-11-12","http_status":200}},{"id":"C4","text":"Check where follow-up care is scheduled, and whether it is at the procedure facility","scope":"treatment_abroad","source":{"url":"https://www.cdc.gov/yellow-book/hcp/health-care-abroad/medical-tourism.html","host":"cdc.gov","quote":"Medical tourists should also know whether follow-up care is scheduled to occur at the same facility as the procedure.","tier":"tier1_medical","fetched_at":"2026-11-12","http_status":403}},{"id":"C5","text":"Check how your aftercare will be coordinated","scope":"treatment_abroad","source":{"url":"https://www.nhs.uk/using-the-nhs/healthcare-abroad/going-abroad-for-treatment/treatment-abroad-checklist/","host":"nhs.uk","quote":"Ensure you're clear about how your aftercare will be coordinated.","tier":"tier1_medical","fetched_at":"2026-11-12","http_status":200}},{"id":"C6","text":"Check the surgeon's own expertise with the glaucoma operation offered; outcomes may depend on it","scope":"procedure","source":{"url":"https://aao.org/eyenet/article/enduring-role-of-traditional-glaucoma-surgery-2","host":"aao.org","quote":"And we're such individualists, and very particular about our techniques, that even if you standardize a procedure, the best outcome might be achieved when the surgeon has developed as his or her own expertise.","tier":"tier1_medical","fetched_at":"2026-11-12","http_status":200}},{"id":"C7","text":"Check whether the eye doctor explains if surgery suits you and which type would be best","scope":"procedure","source":{"url":"https://my.clevelandclinic.org/health/treatments/24873-glaucoma-surgery","host":"my.clevelandclinic.org","quote":"Your eye care provider will talk with you about whether surgery is a good idea for you and which type would be best.","tier":"tier1_medical","fetched_at":"2026-11-12","http_status":200}}],"checked_at":"2026-11-12","next_check_at":"2027-11-12","version":1},"red_flags":{"status":"ok","items":[{"id":"F1","text":"Be wary of any offer that seems too good to be true","scope":"treatment_abroad","source":{"url":"https://www.plasticsurgery.org/tourism","host":"plasticsurgery.org","quote":"Just be weary of any deal that seems too good to be true.","tier":"tier1_medical","fetched_at":"2026-11-12","http_status":200}},{"id":"F2","text":"An advert or information that guarantees complete success should raise concerns","scope":"treatment_abroad","source":{"url":"https://travelaware.campaign.gov.uk/surgery-abroad-cut-out-the-risk/","host":"travelaware.campaign.gov.uk","quote":"Any advert or information that guarantees complete success should raise concerns.","tier":"tier1_medical","fetched_at":"2026-11-11","http_status":200}},{"id":"F3","text":"Forceful persuasion or cheap, time-limited offers pushing you into a quick decision","scope":"treatment_abroad","source":{"url":"https://travelaware.campaign.gov.uk/surgery-abroad-cut-out-the-risk/","host":"travelaware.campaign.gov.uk","quote":"Don’t be pressured into quick decisions either through forceful persuasion or cheap, time limited offers.","tier":"tier1_medical","fetched_at":"2026-11-11","http_status":200}}],"checked_at":"2026-11-12","next_check_at":"2027-11-12","version":1},"warning_signs":{"status":"ok","items":[{"id":"W1","text":"Discharge, oozing or bleeding from the eye","urgency":"contact_clinic","general":false,"source":{"url":"https://my.clevelandclinic.org/health/procedures/trabeculectomy","host":"my.clevelandclinic.org","quote":"Discharge, oozing or bleeding from your eye.","tier":"tier1_medical","fetched_at":"2026-11-12","http_status":200}},{"id":"W2","text":"Operated eye becoming increasingly red or painful","urgency":"contact_clinic","general":false,"source":{"url":"https://dchft.nhs.uk/leaflets/minimally-invasive-glaucoma-surgery-migs-devices-istent-inject-and-hydrus-microstent/","host":"dchft.nhs.uk","quote":"Your operated eye becomes increasingly red or painful.","tier":"tier1_medical","fetched_at":"2026-11-12","http_status":200}},{"id":"W3","text":"Sharp eye pressure rise making you feel sick","urgency":"contact_clinic","general":false,"source":{"url":"https://www.healthdirect.gov.au/amp/article/surgery/glaucoma-surgery","host":"healthdirect.gov.au","quote":"Sharp rise in eye pressure, making you feel sick, and causing pain and headaches.","tier":"tier1_medical","fetched_at":"2026-11-12","http_status":200}}],"checked_at":"2026-11-12","next_check_at":"2027-11-12","version":1},"take_home":{"status":"ok","items":[{"id":"T1","text":"Gives the home doctor the follow-up and call-back instructions","document":"written aftercare plan","source":{"url":"https://my.clevelandclinic.org/health/treatments/24873-glaucoma-surgery","host":"my.clevelandclinic.org","quote":"Your surgeon will send you home with directions on when to call and when to see them for follow-up appointments.","tier":"tier1_medical","fetched_at":"2026-11-12","http_status":200}},{"id":"T2","text":"Ask for copies of all prescriptions before you leave","document":"prescription copies","source":{"url":"https://travelhealthpro.org.uk/news/699/travelling-abroad-for-treatment","host":"travelhealthpro.org.uk","quote":"Remember to ask for copies of all your treatment records, including prescriptions, scans and x-rays before you leave.","tier":"tier1_medical","fetched_at":"2026-11-11","http_status":200}}],"checked_at":"2026-11-12","next_check_at":"2027-11-12","version":1},"alternatives":{"status":"ok","items":[{"id":"A1","text":"Your natural lens may be involved in your eye pressure","name":"Cataract surgery","source":{"url":"https://aao.org/eye-health/drugs/glaucoma-treatment","host":"aao.org","quote":"In some cases, removing the eye's natural lens can lower eye pressure.","tier":"tier1_medical","fetched_at":"2026-11-12","http_status":200},"operation_id":null}],"checked_at":"2026-11-12","next_check_at":"2027-11-12","version":1},"technique_details":{"status":"ok","items":[{"id":"topical-intraocular-pressure","name":"Topical intraocular pressure-lowering eye drops","how_it_works":{"text":"Drops lower the pressure inside the eye","source":{"url":"https://www.nhs.uk/medicines/timolol-eye-drops/","host":"nhs.uk","quote":"The eye drops lower the pressure.","tier":"tier1_medical","fetched_at":"2026-11-12","http_status":200}},"recovery_daily":{"status":"missing","reason":"no_official_source"}},{"id":"laser-trabeculoplasty","name":"Laser trabeculoplasty (SLT/ALT)","how_it_works":{"text":"A laser treats the drainage mesh to improve fluid flow","source":{"url":"https://www.dgft.nhs.uk/pil/laser-treatment-for-glaucoma-selective-laser-trabeculoplasty-slt/","host":"dgft.nhs.uk","quote":"A laser is used to treat the trabecular meshwork to improve drainage of eye fluid through the meshwork.","tier":"tier1_medical","fetched_at":"2026-11-12","http_status":200}},"recovery_daily":{"event":"back_to_daily_activities","min":1,"max":1,"unit":"days","label":"1 day","source":{"url":"https://www.nei.nih.gov/eye-health-information/eye-conditions-and-diseases/glaucoma/treatment","host":"nei.nih.gov","quote":"Most people can go back to their normal daily activities the day after their laser treatment.","tier":"tier1_medical","fetched_at":"2026-11-12","http_status":200}}},{"id":"laser-peripheral-iridotomy","name":"Laser peripheral iridotomy","how_it_works":{"text":"A laser makes a tiny hole in the iris","source":{"url":"https://www.aao.org/eye-health/diseases/laser-iridotomy-ophthalmologist-surgeon","host":"aao.org","quote":"Your eye surgeon uses a laser to create a tiny hole in your iris.","tier":"tier1_medical","fetched_at":"2026-11-12","http_status":200}},"recovery_daily":{"status":"missing","reason":"no_official_source"}},{"id":"trabeculectomy","name":"Trabeculectomy or tube shunt surgery","how_it_works":{"text":"Surgery creates a new drainage path for fluid inside the eye","source":{"url":"https://my.clevelandclinic.org/health/procedures/trabeculectomy","host":"my.clevelandclinic.org","quote":"Trabeculectomy creates a new way for fluid from the anterior chamber to drain, lowering the pressure inside your eye.","tier":"tier1_medical","fetched_at":"2026-11-12","http_status":200}},"recovery_daily":{"status":"missing","reason":"no_official_source"}},{"id":"minimally-invasive-glaucoma","name":"Minimally invasive glaucoma surgery (MIGS)","how_it_works":{"text":"Tiny instruments and devices work through smaller 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