LASIK in Korea: What a Gangnam Surgeon Tells International Patients First

I am Dr. Kim Sun-young, director of Healing Eye Clinic in Sinnonhyeon, Gangnam, Seoul. We see patients from English-speaking countries, Japan and Taiwan every week, with interpreters on site.

Most people searching LASIK in Korea are still deciding — not between clinics yet, but whether to do this at all, and whether doing it abroad makes sense. This is the conversation I have in the consultation room, in the same order.

Why Korea, honestly

The surgery itself has no nationality. LASIK, LASEK and SMILE are internationally standardised. There is no Korean technique that sees better than the same technique elsewhere, and I would read any claim to the contrary carefully.

What genuinely differs between clinics — here or anywhere — is the setup:

• Whether an interpreter is present when the consent form is explained, not just at reception
• Whether foreigners are charged the same as locals (they are here)
• Whether one surgeon reads your exam, operates, and sees you afterwards
• What you are given to take home for your own ophthalmologist

Those four separate clinics far more than the country does. How to judge a Korean eye clinic goes into what to ask.

The five measurements

All five, then the options. A clinic that measures your prescription and quotes you a procedure has not assessed you — it has sold to you.

The exam dilates your pupils, so nothing that needs sharp vision should be scheduled that afternoon.

What separates the procedures

LASIK. A flap is lifted, tissue removed underneath, the flap replaced. Fastest recovery — most people are functional the next day. The flap remains a structural feature, which matters for contact sports and some occupations.

LASEK (surface ablation). No flap; the surface is treated directly and heals over under a protective lens. Possible on thinner corneas, but recovery takes about a week and the first days are uncomfortable.

SMILE. No flap either — tissue is cut inside the cornea and removed through a small incision. Fewer corneal nerves are disturbed, so the dry-eye burden tends to be lighter.

ICL. Nothing is removed; a lens is implanted instead. This is what remains when the cornea cannot give up enough tissue. See ICL or LASIK.

Days, and what happens after you fly home

Three nights minimum, four comfortable. Exam, surgery, next-day check. If the exam points to surface ablation, plan a week — the protective lens must come out before you fly. Since that answer only arrives after the exam, book a changeable fare. The full day-by-day breakdown covers each scenario.

The next-day check is the one appointment that cannot move. It confirms the flap is seated and there is no unusual inflammation — problems that, when they happen, happen in the first twenty-four hours.

After that, your one-week, one-month and three-month checks can be done at home. You leave with the procedure name, pre-op prescription, ablation depth, corneal thickness before and after, and your medication schedule. Without that paperwork any doctor is guessing from the outside.

Cost

The quote comes after the exam, because a number produced without knowing your corneal thickness is not worth comparing. There is no foreigner pricing here — the same price list applies to everyone.

When you do compare quotes, line up what is included: the exam, post-operative drops, how many follow-ups, and the terms for an enhancement if your prescription regresses. What actually drives the cost takes each of those apart, and what patients report on Reddit covers how to read the numbers people post.

The Korean head office page on 레이저 시력교정 lists the same procedures our domestic patients see.

The first three months

Dryness. The laser temporarily severs corneal nerves, so the eye stops signalling that it is dry and reflex tearing drops. Use the drops on a schedule, not when you notice discomfort. Most people are through it in three to six months.

Night glare and halos. The pupil widens in the dark past the treated zone and light scatters at the edge. It settles as the cornea heals. If you drive at night for work, say so before surgery — it changes the calculation.

Fluctuation. Vision differs between morning and evening for a while. The prescription at three months is the one that counts.

None of these are complications. They are the expected course, and knowing that in advance is the difference between patience and panic.

One thing before your exam

Stop wearing contacts — a week minimum for soft lenses, longer for rigid.

Lenses press on the cornea and change its shape. Measure through that and you get a false thickness and a false astigmatism axis. A correction designed on false numbers produces a patient telling me at three months that it is "not quite sharp" — for a reason set on the day of the exam.

Honestly

Doing this abroad adds three variables: language, distance, and follow-up. I cannot remove them. What I can do is measure properly, explain the reasoning, and write everything down for whoever sees you next.

And if the exam says no, I will say no — even though you flew here. Choosing not to operate is also a diagnosis.

— Dr. Kim Sun-young, Healing Eye Clinic, Sinnonhyeon, Gangnam, Seoul