Seoul National University Bundang Hospital (SNUBH)
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Dr. Nam Sanghyu is a board-certified ophthalmologist at Asan Medical Center. He is a Clinical Specialist and Clinical Professor. His practice focuses on cataract and presbyopia. He also treats cornea and ocular surface disease, including dry eye, external eye disease, and tear duct problems. He manages retina and glaucoma disorders, including diabetic retinopathy and macular degeneration.
Accreditations: Full Member of KOS, KDES, KCDS, KSCRS, and the Korean Contact Lens Study Society. Regular Member of ASCRS, ESCRS, and APACRS.
Publications: Scientific Reports (2022) on big data linking air pollution and conjunctivitis. Ophthalmologica (2021) on OCTA after repair of macula-off rhegmatogenous retinal detachment. Journal of the Korean Ophthalmological Society (2021) on blue light and polyphenolic protection.
South Korean clinics treat vitreous opacities primarily through small-gauge vitrectomy or Nd:YAG laser vitreolysis. Specialised centres in Seoul often utilise 27-gauge sutureless instruments and ultrasound-guided techniques. These methods allow for precise floater removal while protecting the natural lens and retina.
Bookimed Expert Insight: General hospitals like Seoul National University Hospital serve 30,000+ international patients annually. However, vitreous surgery in Korea prioritises 'limited' approaches. This strategy is distinct because it preserves the peripheral vitreous. This helps prevent early cataract development in younger patients. Specialists such as Dr Nam Sanghyu maintain memberships in international societies like ASCRS. So their protocols align with global ophthalmology standards.
Patient Consensus: Patients note that laser treatment works best for floaters far from the retina. However, vitrectomy offers a definitive solution. Many appreciate that Korean clinics offer low-dose Atropine drops. This provides a practical way to manage symptoms without immediate surgery.
South Korea is a leading destination for vitreous surgery due to its digital hospital infrastructure and high surgical volumes. Specialist clinics in Seoul utilise high-resolution imaging and robotic systems. They treat conditions like retinal detachment and diabetic retinopathy. Most major facilities hold JCI accreditation, which means they meet strict global safety standards.
Bookimed Expert Insight: South Korea ranks third globally in our medical market data for patient requests. This is driven by the intense specialisation of its university hospitals. Large centres like Asan Medical Center employ over 700 doctors. This allows specialists to focus exclusively on vitreoretinal disorders rather than general eye care. This depth of expertise is why the country maintains high survival and success rates. These rates often exceed Western averages.
Patient Consensus: Patients value the short and efficient treatment pathways in South Korea. They note the importance of allowing enough time in-country for immediate post-operative reviews. Many highlight the benefit of accessing experienced surgeons. These surgeons handle a high volume of complex retinal cases every day.
Recovery after vitrectomy in Korea typically takes 4 to 6 weeks for primary healing. Most patients return to light activities within 14 to 21 days. Full visual stabilisation usually occurs within 3 months. This happens as gas bubbles or silicone oil dissipate or are removed.
Bookimed Expert Insight: Major centres like Seoul National University Hospital serve over 30,000 international patients annually. However, recovery efficiency often depends on the hospital's digital infrastructure. Hospitals such as SNUBH use safety systems to track post-operative progress. This helps international patients manage the transition from in-clinic care to home recovery more safely.
Patient Consensus: Patients note that redness fades within 2 weeks. However, visual clarity depends heavily on whether the surgeon uses gas or oil. Many find the first week of face-down positioning in Korea the most demanding part. It is the hardest part of the journey.
Vitreous body destruction is the age-related breakdown of the eye gel. It is usually not severe, affecting 85% of cases without vision loss. However, it becomes a medical emergency if it causes retinal tears or detachment, which requires immediate ophthalmological care in Seoul.
Bookimed Expert Insight: While South Korea ranks 3rd globally for complex medical requests, specialised eye care focuses on high-volume academic centres. Asan Medical Center performs over 65,000 surgeries annually. This surgical depth is critical for vitreous issues. Distinguishing routine degeneration from retinal traction requires specialists who process thousands of high-resolution ocular scans every month.
Patient Consensus: Patients note that floaters are often a tolerable nuisance, but sudden flashes in Korea act as a vital warning signal. Professional diagnosis is essential to confirm if the condition is harmless or requires urgent retinal repair.
Vitrectomy in Korea typically uses local anaesthesia combined with intravenous sedation. Patients stay pain-free and relaxed throughout the surgery. They also breathe on their own. Specialist surgeons usually reserve general anaesthesia for complex retinal repairs. They also use it for patients with severe anxiety to guarantee total immobility.
Bookimed Expert Insight: South Korea ranks 3rd globally in our market data for medical requests. This high volume is driven by major centres like Seoul National University Hospital. Its reputation for treating 30,000 international patients annually suggests their sedation protocols are highly refined for diverse patient needs.
Patient Consensus: Patients note that twilight sedation feels virtually negligible and often results in amnesia. They emphasise that being still and comfortable is more important than being fully asleep during Korean vitrectomies.
Patients in South Korea usually return home the same day as their vitreous procedure. Clinics perform vitrectomies as day-care procedures under local anaesthesia with sedation. Specialist observation typically lasts only a few hours before discharge is approved for international patients.
Bookimed Expert Insight: Korea's major centres like Seoul National University Bundang Hospital handle over 30,000 operations annually. This high volume means surgical teams are highly efficient with day-case protocols. Patients benefit from safety systems like BESTcare, which standardises discharge checks for international cases.
Patient Consensus: Patients note the efficiency of Korean ophthalmology clinics. They highlight the need for a companion. Driving and public transport are not allowed immediately. Most patients find the same-day discharge convenient for resting in local accommodation.
Vitreous surgery, or vitrectomy, permanently removes the original floaters by replacing the eye gel. Recurrence is rare but new floaters can form if remaining gel shifts. Leading Seoul centres like Gangnam Severance Hospital use JCI-accredited protocols for thorough removal and patient safety.
Bookimed Expert Insight: Analysis of Seoul's top hospitals shows a preference for digital-first surgical suites. Seoul National University Hospital and Gangnam Severance Hospital both use digital systems. These technologies allow for high-precision imaging during vitrectomies. This accuracy helps surgeons remove more vitreous debris. This directly reduces the chance of new floaters appearing later.
Patient Consensus: Patients in Republic of Korea note that surgical residue like small grey spots or flashes is normal. These typically fade over 3 to 6 months. Most advise fellow patients not to judge final results immediately. The eye takes time to settle.