1day LASIK in Korea: What the One Day Really Covers

Hello, I'm Dr. Kim Sun-young, Medical Director of Healing Eye Clinic in Gangnam, Seoul, one minute from Sinnonhyeon Station. I trained as a clinical professor of cornea and cataract at Uijeongbu St. Mary's Hospital, and every week I see patients who have flown in, with an English interpreter on site.

One WhatsApp message comes up again and again: "Dr. Kim, if it's called 1day LASIK, can I land in the morning and fly out that night?" If you searched for 1day LASIK in Korea, you're probably trying to fit eye surgery into a very short trip. That's a fair goal, and I want to help you plan it properly.

So here is the honest version first. "1day" means the exam and the surgery fit into one day, not that your eyes are finished in one day. Below I go through what each day looks like, the rules that continue after you fly, and the eyes I'd steer toward something else.

What does "1day LASIK in Korea" actually mean?

1day LASIK is our LASIK procedure designed from your own exam data. The name describes the schedule: if your results allow, the exam is in the morning and the surgery is in the afternoon of the same day.

The surgery itself has four steps. We run a detailed exam, create a thin corneal flap, correct the deeper corneal layer with the SCHWIND AMARIS Red 1050 excimer laser, then lay the flap back in place, where it adheres on its own without stitches. Here is what that means for your days.

1. Day one is long, and the exam can still say no

Plan on most of the day at the clinic. The exam measures corneal thickness, the shape of the cornea, your prescription and higher-order aberrations, the small irregularities that affect night vision.

Think of it like a building inspection before renovation. If the walls are thinner than expected, a good contractor changes the plan. If your cornea is thin or irregular, I'll say so on day one and talk about Clear SMILE LASIK, Premium LASEK or ICL instead.

2. Vision starts coming back the same day, but day two is not optional

After surgery, your eyes water and feel gritty for a few hours. Most people go back to the hotel and sleep. Vision usually starts recovering that same day, and compared with LASEK in our own clinic, there's less pain and less of that sand-in-the-eye feeling.

The next morning you come back for a check-up. I look at the flap position, the surface and your vision before you board anything. That visit is the reason the shortest plan is one night, not zero.

3. "1day" does not mean one day of rules

The flap needs time to settle, so some rules last weeks. Rubbing the eye is the one I worry about most, which is why you sleep with a protective shield for the first week.

You can wash your face the next day. Eye shadow waits two weeks and mascara three weeks. Light jogging and stretching wait one week; saunas and public baths, one month; swimming and intense sports, two months. No alcohol for four weeks, and avoid heavy drinking for two months.

Why the doctor who examines you should decide the day

I'd rather send you home with a "not yet" than squeeze surgery into a schedule your cornea doesn't fit. A short trip is a reason to plan carefully, never a reason to skip a step.

Here is what you can check before you trust us, offered as evidence rather than a boast. One dedicated doctor follows you from the exam to surgery to aftercare. International patients pay the same price as Korean patients. We hold 4.8 out of 5 on Google reviews, I'm a full member of ESCRS, and the clinic is registered with Korea's Ministry of Health and Welfare for international patients, with a lifetime surgery responsibility guarantee. Our Korean-language LASIK page explains the procedure for local patients if you'd like a second read.

For the technical side, the custom LASIK (now 1day LASIK) procedure steps in order goes deeper into each stage of the surgery.

So is 1day LASIK right for me?

It suits a specific kind of eye and a specific kind of life. The table below is roughly how I sort it after the exam.

If the exam leaves you between two options, who custom LASIK in Korea suits, and who it doesn't walks through the borderline cases.

Prices for both eyes are on our price page. There isn't a separate 1day LASIK line yet, so please confirm your package at consultation.

Side effects, and who should not rush

LASIK is a well-established procedure, but it is still surgery. These are the things I want you to hear from me first.

• Dryness in the first weeks is common, and the cabin air on your flight makes it worse.
• Glare or halos around lights at night can appear while the cornea settles.
• Regression, a slow drift back of the prescription, can happen over time.
• Flap problems are less common, and rubbing raises that risk, which is why the shield and the no-rubbing rule matter.

I'd ask you to wait if your prescription changed in the past year, if you're pregnant or breastfeeding, if keratoconus is progressing, or if severe dry eye needs treatment first. For a very high prescription or a thin cornea, I'd compare other methods rather than force a flap.

Your 1day LASIK schedule in Korea

• Before you come: stop soft contact lenses one week before the exam, and hard lenses three weeks before.
• Day 1: exam in the morning; surgery in the afternoon if the results allow. Back to the hotel to rest.
• Day 2: check-up in the morning. You can fly from this day if it looks fine.
• Long-haul flights: I may suggest one or two extra days of observation first. Two to three days in Seoul is the relaxed plan.
• At home: check-ups at one month and three months, then every three months to the first year. You leave with a record sheet of the procedure, prescription, tissue removed, corneal thickness and drops, so a local eye doctor can continue.

If you're nervous about the flight itself, flying home after LASIK and LASIK recovery day by day cover what the first week usually feels like.

Don't book the flight yet — book the exam

Please don't plan the trip around the word "1day" alone. Plan it around the exam, the next-morning check and a few spare hours for dry airplane air.

Send a photo of your current prescription and your possible travel dates on WhatsApp. The consultation is free, and we'll tell you honestly whether those dates work. If your eyes aren't a fit for LASIK, or for surgery right now, we'll say that too.

I look forward to seeing you in Seoul, and to that morning-after check together.

— Dr. Kim Sun-young, Medical Director, Healing Eye Clinic (Sinnonhyeon, Gangnam, Seoul)