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Implantable Collamer Lens

ICL Lens Implantation

No corneal tissue is removed. Also known as an implantable contact lens, ICL is designed for high myopia, thin corneas, and sharper, more precise vision — a biocompatible lens is placed inside the eye, and the procedure is fully reversible.

Why ICL

When laser isn't the ideal answer

If your prescription is very high or your cornea is too thin for laser correction, ICL is often the better fit. No corneal tissue is removed — instead, a soft, biocompatible lens sits inside the eye for crisp, high-definition vision.

No corneal tissue removed Ideal for high myopia Great for thin corneas Sharp, high-definition vision Fully reversible UV protection built in

ICL lens implantation at EYEONCE never touches the cornea — instead, a biocompatible lens is placed inside the eye.

It's designed specifically for high myopia, thin corneas and patients who can't have laser correction. Dr. Baek reviews every case personally, from diagnosis through follow-up.

ICL lens implantation and doctor-led ophthalmic care at EYEONCE Eye Clinic Seoul — panel 1 ICL lens implantation and doctor-led ophthalmic care at EYEONCE Eye Clinic Seoul — panel 2

The ICL — Implantable Collamer Lens — sits behind the iris and in front of the eye's natural lens, correcting vision without removing any corneal tissue or the natural lens itself, through a micro-incision, insertion, precise placement and final positioning.

EYEONCE uses the EVO Aqua ICL with CentraFLOW technology, a phakic intraocular lens whose central-port design maintains the eye's natural aqueous fluid flow and removes the need for a separate iridotomy.

What ICL is and the EVO Aqua ICL CentraFLOW phakic intraocular lens at EYEONCE Eye Clinic Seoul — panel 3 What ICL is and the EVO Aqua ICL CentraFLOW phakic intraocular lens at EYEONCE Eye Clinic Seoul — panel 4

Because no corneal tissue is removed, ICL preserves the cornea's natural strength while correcting high myopia and astigmatism together, with a lower dry-eye risk than laser procedures and built-in UV protection.

It's the recommended path specifically for patients with high myopia or high astigmatism, very large pupils at night, thin corneas not suited to LASIK or LASEK, very dry eyes, or a history of corneal injury or disease.

ICL key benefits and ideal candidates at EYEONCE Eye Clinic Seoul — panel 5 ICL key benefits and ideal candidates at EYEONCE Eye Clinic Seoul — panel 6

Surgery itself is minimally invasive — a roughly 3mm micro-incision, folded lens insertion, precise positioning between the iris and natural lens, and final fixation — performed by ophthalmologists specialized in ICL surgery. Because the lens can be removed if needed, ICL remains fully reversible.

Recovery guidance is specific and time-based: stop soft contact lenses one week before surgery (two weeks for hard lenses), wear an eye shield during sleep for a week, avoid rubbing the eyes for a month, and avoid intense exercise, swimming and sauna for a month.

How ICL surgery works and the recovery guide at EYEONCE Eye Clinic Seoul — panel 7 How ICL surgery works and the recovery guide at EYEONCE Eye Clinic Seoul — panel 8 How ICL surgery works and the recovery guide at EYEONCE Eye Clinic Seoul — panel 9

Every ICL plan follows the same steps: 3D ocular analysis mapping axial length, anterior chamber depth, corneal curvature and astigmatism, custom lens sizing and power calculation, surgery by Dr. Baek, and scheduled follow-up checks.

International patients get the same on-site interpretation and WhatsApp follow-up as every other EYEONCE procedure.

ICL precision system, ocular biometry and international patient care at EYEONCE Eye Clinic Seoul — panel 10 ICL precision system, ocular biometry and international patient care at EYEONCE Eye Clinic Seoul — panel 11 ICL precision system, ocular biometry and international patient care at EYEONCE Eye Clinic Seoul — panel 12
Good to Know

ICL — questions & answers

Yes. EYEONCE is a Seoul-government-registered clinic for international patients, with in-house interpreters on-site in English, Chinese, Mongolian and Thai. From your first WhatsApp message through surgery and follow-up, there is no language barrier.
For laser vision correction (SMILE PRO, SMILE LASIK, LASIK/LASEK) a stay of about 3-5 days is typical — exam and surgery can often be done the same day, with a next-day check-up before you fly home. For ICL and lens procedures we usually recommend 5-7 days. Send us your travel dates on WhatsApp and we will build the schedule around you.
Contact lenses reshape the cornea, so accurate measurement needs a break: stop soft lenses at least 5-7 days before your exam, hard / RGP lenses at least 3 weeks, and ortho-k (dream) lenses at least 1 month. If you are unsure, message us on WhatsApp.
In the rare case an enhancement is needed, it is covered by our lifetime aftercare. Please contact us on WhatsApp first (+82-10-6308-0984) — we will review a detailed re-examination and, where appropriate, arrange the re-treatment. Reaching out on WhatsApp is the fastest way to get guided next steps.
ICL is an excellent option for patients with high myopia, thin corneas, dry eyes, or prescriptions outside the safe range for laser. Your precision exam confirms whether ICL or a laser procedure is the safest fit — and we always explain the reasoning.
Yes. The lens does not permanently alter your eye's natural structure and can be removed or exchanged if your needs change in future — a key advantage over tissue-removing laser procedures.
Many patients notice clearer vision within a day, with continued sharpening over the following one to two weeks. Some temporary haziness or halos at night can occur early on and typically settle as the eye adjusts over the first 1–3 months.
Don't rub your eyes; avoid swimming, saunas and steam rooms for about a month, and eye makeup for two weeks. Attend your scheduled follow-up checks (important for monitoring eye pressure and lens position), and use every prescribed eye drop exactly as instructed.
Stop soft contact lenses for 5–7 days before your exam (2–3 weeks for hard / RGP lenses). Bring your glasses and prescription records, avoid eye makeup on exam day, and arrange transport or a companion for surgery day.
Temporary blurriness can occur as your eye adjusts to the lens. Avoid electronic screens as much as possible early on and use your prescribed eye drops diligently. If you feel a foreign-body sensation or pain, visit us right away — or see a local ophthalmologist first and then contact us.
Yes. If anything ever seems wrong after surgery, contact us at any time. Through a detailed re-examination we'll assess your condition and, where appropriate, assist with re-treatment or lens adjustment.
No — the eye is fully numbed with topical anesthetic drops before the micro-incision, so you feel pressure rather than pain. Most patients describe mild scratchiness for a day or two afterward, easily managed with prescribed eye drops.
Cost depends on your prescription and the lens sizing confirmed at your pre-op exam. Message us on WhatsApp with your prescription for a personalized quote — ICL (implantable contact lens) surgery in Seoul is frequently more affordable than equivalent EVO ICL surgery in the US, UK or Australia.
A Real Story

"-9.00 and told laser was not safe for me. ICL was the answer."

My prescription was too high for laser and I had almost given up. EYEONCE recommended ICL — a reversible lens, no cornea removed. Two days later I was sightseeing in Seoul with vision I never thought possible. I actually cried the next morning.

Read patient reviews
Real Patients

Watch their journeys

International patients share what actually happened — from their first fears to waking up the next morning without glasses.

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Find Us

Getting to EYEONCE

An English-speaking eye clinic in the heart of Gangnam, Seoul — moments from Sinnonhyeon Station and easily reached from Incheon International Airport.

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EYEONCE Eye Clinic Gangnam

5–6F, Duo Sinnonhyeon, 368 Sapyeong-daero, Seocho-gu, Seoul, South Korea

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WhatsApp Consultation

+82-10-6308-0984 — English, Chinese, Mongolian & Thai

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Opening Hours

Mon, Tue, Thu, Fri 09:00–18:00 · Sat 09:00–16:00 · Lunch break 13:00–14:00 · Closed Wed & Sun
By appointment only · Registration may close early depending on the day’s schedule.

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By Metro

Sinnonhyeon Station (Line 9 / Sinbundang Line) — 3 min walk. Gangnam Station (Line 2) nearby.

From Incheon International Airport (ICN)
Private taxi≈ 60–75 min · approx. ₩70,000–90,000 — the most direct option.
AREX + MetroAirport Railroad to Seoul Station (~50 min), transfer to Line 9 to Sinnonhyeon (~25 min). ≈ 90 min total.
Airport LimousineDirect bus toward Gangnam (~70–90 min), then a short taxi ride.
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