Treatment Overview
Complement Inhibitor Injection Therapy is an emerging treatment for geographic atrophy (GA) in Age-Related Macular Degeneration (AMD). It targets the complement cascade, a part of the immune system that contributes to retinal cell damage. By inhibiting specific complement proteins (e.g., C3 or C5), this therapy slows the progression of macular degeneration and preserves retinal function.
In Korea, complement inhibitor injections are performed using advanced imaging, precision-guided delivery, and patient-specific protocols:
- High-resolution OCT and OCT-A to assess GA progression and retinal health
- Fundus autofluorescence imaging to monitor areas of atrophy
- Intravitreal injection of complement inhibitors under sterile conditions
- AI-assisted treatment scheduling based on lesion size and growth rate
- Combination with low-vision rehabilitation or anti-VEGF therapy when needed
- Digital postoperative monitoring for early detection of progression
- Minimally invasive outpatient procedure for patient comfort
Complement inhibitor therapy represents a new frontier in slowing vision loss in AMD patients, particularly those with advanced dry AMD.
Purpose & Benefits
Purpose
- Slow progression of geographic atrophy in dry AMD
- Protect photoreceptors and retinal pigment epithelium from complement-mediated damage
- Preserve central vision for longer periods
- Provide a targeted therapy option where traditional anti-VEGF treatments are not indicated
- Reduce the rate of vision loss and improve quality of life
Benefits
- Slows GA lesion growth by targeting the complement pathway
- Minimally invasive intravitreal injection
- Can be combined with anti-VEGF therapy in cases of mixed AMD
- AI-assisted monitoring for personalized dosing intervals
- Helps maintain daily visual function longer in advanced AMD patients
- Administered in outpatient settings with minimal recovery time
Ideal Candidates
Complement Inhibitor Injection Therapy in Korea is ideal for:
- Patients with advanced dry AMD with geographic atrophy
- Individuals with progressive central vision loss due to AMD
- Patients not responding to or unsuitable for anti-VEGF monotherapy
- Those seeking early intervention to slow atrophy progression
- Patients with stable ocular health who can undergo repeated intravitreal injections
Possible Risks & Complications
Minor / Transient Issues
- Mild eye redness or irritation
- Temporary blurred vision or floaters
- Minor discomfort at the injection site
- Light sensitivity for a few hours post-injection
Rare / Serious Risks
- Infection (endophthalmitis)
- Elevated intraocular pressure
- Retinal tear or detachment (very rare)
- Intraocular inflammation
- Allergic reaction to the medication
- Limited efficacy if GA lesions are advanced or multifocal
How Korean Clinics Minimize Risks
- Strict sterile technique in injection suites
- Pre- and post-procedure OCT and fundus imaging
- AI-assisted scheduling to optimize treatment intervals
- Experienced retinal specialists managing therapy
- Close follow-up for early detection of complications
- Combination therapy guidance when needed
Related Diagnostic & Treatment Techniques
- Optical Coherence Tomography (OCT) – Measure retinal thickness and GA progression
- Fundus Autofluorescence Imaging (FAF) – Identify areas of atrophy
- OCT-Angiography (OCT-A) – Evaluate retinal microvasculature
- Anti-VEGF Intravitreal Injections – For wet AMD or mixed disease
- Low-Vision Rehabilitation – Enhance functional vision during therapy
- AI-based Treatment Scheduling – Personalized injection intervals
Treatment Process in Korea
Step 1 – Preoperative Assessment
- Comprehensive eye exam including visual acuity and IOP
- OCT and fundus autofluorescence imaging to map GA lesions
- AI-assisted analysis to determine optimal injection interval
- Explanation of treatment plan and follow-up schedule
Step 2 – Intravitreal Injection Procedure
- Topical anesthetic applied
- Eyelid speculum placement and antiseptic preparation
- Ultra-fine needle injection of complement inhibitor into vitreous cavity
- Post-injection IOP measurement
- Optional OCT confirmation of retinal status
Step 3 – Postoperative Follow-Up
- Exam within 1–2 weeks after initial injection
- Follow-up OCT and FAF imaging every 1–3 months
- AI-based monitoring to adjust injection intervals
- Management of any new symptoms or adverse events
Duration: 10–15 minutes per injection
Setting: Specialized retinal injection suite
Recovery & After-Care
After-Care Guidelines
- Mild irritation or blurred vision is normal
- Avoid rubbing the eye for 24 hours
- Use prescribed antibiotic drops if recommended
- Attend all follow-up imaging and consultation sessions
- Report sudden pain, flashes, or vision changes immediately
Recovery Timeline
Immediate: Mild ocular discomfort or floaters
24–48 Hours: Most minor symptoms resolve
1–2 Weeks: Retinal assessment confirms no immediate complications
Monthly/Quarterly: OCT/FAF monitoring for lesion progression
Long-Term: Continued injections as scheduled to slow GA growth
Results & Longevity
Expected Results
- Slower progression of geographic atrophy lesions
- Preservation of central vision over months to years
- Reduced rate of vision loss compared to untreated GA
- Minimal impact on surrounding ocular tissues
- Supports better quality of life and functional independence
Longevity
- Therapy requires ongoing, repeated injections
- Long-term visual outcomes depend on baseline GA severity
- Lifelong retinal monitoring recommended
- Rare revision needed unless injection-related complications occur
Why Korea Is a Top Destination
- Experienced retina specialists specializing in AMD and GA
- Advanced imaging (OCT, OCT-A, FAF) for precise monitoring
- AI-assisted personalized treatment scheduling
- Minimally invasive injection protocols
- Integration with other AMD therapies when necessary
- English-friendly clinics with structured patient care
- High safety and infection control standards
Unique Korean Innovations
- AI-guided GA lesion tracking to optimize injection timing
- Integration of intravitreal complement inhibitors with anti-VEGF therapy
- Digital postoperative monitoring dashboards for GA progression
- Ultra-fine injection techniques for minimal patient discomfort
- Personalized care pathways combining imaging, injections, and rehabilitation
Cost Range (Indicative Estimate)
| Package | Price (KRW) | Approx. USD | Inclusions |
|---|---|---|---|
| Complement Inhibitor Injection (Single Dose) | ₩1,200,000 – ₩2,500,000 | ~$900 – $1,900 | Drug + injection + OCT/FAF imaging |
| Loading Phase Package (3 Injections) | ₩3,500,000 – ₩6,500,000 | ~$2,650 – $4,950 | Multiple injections + imaging + AI monitoring |
| Maintenance / Treat-and-Extend | ₩1,200,000 – ₩2,500,000 / visit | ~$900 – $1,900 | Injection + OCT/FAF + follow-up |
| Combination Therapy Package (Complement Inhibitor + Anti-VEGF) | ₩4,500,000 – ₩7,500,000 | ~$3,450 – $5,700 | Dual intravitreal therapy + imaging |
Popular Clinics in Korea
- Kim’s Eye Hospital Retina Center (Seoul)
- Gangnam Severance Hospital Retina Clinic
- Seoul National University Hospital Retina Center
- B&VIIT Eye Center (Gangnam)
- BGN Eye Clinic (Seoul & Busan)
- NUNE Eye Hospital (Daegu)
- Glory Seoul Eye Clinic
- Dream Eye Center (Seoul)
