"How many days do I need?" is usually the last question a patient asks before booking flights, and it deserves a straight answer rather than a vague one. The required stay depends on the procedure and recovery: the sequence is fixed, the day count is not. Every patient goes through exam, decision, surgery, and follow-up in that order. How tightly those steps compress depends on which procedure your eyes qualify for and how your early recovery goes.
This guide walks through each step, shows an illustrative care and recovery sequence, and answers the flight question directly. Nothing here replaces the personalized schedule our coordination team builds with you before you book anything.
What has to happen before surgery?
Everything starts with the preoperative examination. At GS Eye Center this is a single extended visit: a screening that runs to around 50 diagnostic tests over roughly two hours, covering corneal thickness and shape, refraction, pupil measurements, tear film, retinal health, and more. The results determine which procedures your eyes qualify for - and whether you qualify at all.
Two things are worth arranging before you leave home:
- A screening exam in the U.S. or Canada. A practical first step is to confirm you are a plausible candidate before crossing an ocean. Your local optometrist can measure corneal thickness and confirm your prescription has been stable. Send us those numbers before you plan the trip. Your coordinator passes your records to the medical team; after the medical team reviews them, you are told which options are worth evaluating further. The final decision follows the in-person examination.
- A contact lens pause. Contact lenses temporarily change the shape of the cornea, so wearers need a break before measurements. How long depends on your lens type and history; your coordinator confirms the pause for your case before you travel, so your measurements can be used at the exam.
Can the exam and surgery happen on the same day?
Sometimes. GS Eye Center's published FAQ notes that when your eye condition is suitable, surgery can follow the exam on the same day, in the sequence exam, consultation, surgeon's review, surgery, with some waiting in between. Treat it as an option the exam may allow, not a plan to bank on.
Do not build your itinerary on the assumption that it will happen, though. If a measurement needs repeating, if your tear film needs treatment first, or if the surgeon wants a second look, surgery moves to another day. That is the system working as intended. Keep some flexibility between landing and your preferred surgery date; your coordinator can suggest how much for your case.
How does the stay differ by procedure?
Recovery patterns differ, and so does the follow-up schedule. The patterns below come from GS Eye Center's published patient materials; your own schedule is set at the exam.
| Procedure | Early recovery pattern (per clinic materials) | Planning implication |
|---|---|---|
| SMILE Pro / SMILE LASIK | Many daily activities, such as washing, screens and driving, resume early in typical cases. Your surgeon tells you when each one applies to you. | Often compatible with a shorter stay. The number and timing of post-operative checks, including one before departure, are set by your surgeon. |
| LASIK (VISU LASIK) | Clinic materials describe an early return to daily life for typical cases. | Similar to SMILE for planning purposes; confirmed case by case. |
| LASEK / surface ablation (2DAY LASEK) | Surface healing takes longer, and the progress visit comes later than after flap or small-incision procedures. | Plan the longest buffer of the laser options. Vision sharpens gradually over following weeks. |
| ICL implantation | Staged process: five preliminary checks (vision, lens position, endothelial cells, optic nerve, retina), surgery, then scheduled follow-up checks. | Lens availability can also affect timing, since some lenses are matched to your measurements. Confirm the full sequence in consultation before booking. |
If the exam rules out one procedure, another may still be possible - thin corneas may rule out LASIK but not ICL, for example. That switch can change your ideal stay length, which is another reason to share your prescription with us before you commit to dates.
When can you fly home?
The direct answer: after your surgeon has examined your eyes after surgery and confirmed that you can travel. When that happens depends on your procedure, your examination and the follow-up your surgeon sets, so this page does not give a fixed day. For surface ablation and ICL the window is set more conservatively. Your coordinator maps the follow-up dates onto your travel window before you book flights, and a changeable ticket leaves room if the plan moves. Whether you can fly on a given day is decided at your post-operative check, and the return date can change with your recovery.
Cabin air is dry, which matters because dry eye is a symptom that can occur after refractive surgery, and how long it lasts differs between people. Whatever your departure date, plan on using the lubricating drops you are prescribed, and ask the team for flight-specific guidance at your final check.
What might the care and recovery sequence look like?
The outline below is an illustrative example, not a schedule. Your surgeon may change the order, the number of checks and the dates, and the example does not set a day for your flight home.
- Arrival - Land in Seoul and rest. No caffeine-fueled sightseeing marathon before the exam.
- Exam and consultation - Comprehensive examination and surgeon consultation at the clinic at Gangnam Station Exit 1. If your eye condition is suitable and you choose to proceed, surgery may follow on the same day; otherwise it moves to another day.
- Post-operative check - At the time your surgeon sets. Which activities can resume depends on the procedure and on this check.
- Recovery days - Keep plans light and follow your discharge instructions. Ask your surgeon before anything strenuous.
- Pre-departure check - Your surgeon confirms whether you can travel, and you receive the records agreed for your follow-up at home. Your return date follows the timeline your surgeon confirms.
Patients pairing surgery with a longer vacation often reverse the order: do the exam and surgery early, then plan the rest of the trip around the follow-up checks and the activity limits your surgeon gives you. GS's own FAQ notes that follow-up schedules can be adjusted for patients who travel from far away; ask how that applies to your case.
What should you avoid while recovering in Korea?
Your discharge instructions are the authority, but the recurring items are predictable: no rubbing your eyes, no swimming, and no saunas or jjimjilbang (Korean bathhouses) until cleared - a caution worth flagging because bathhouses are a popular tourist activity. Eye makeup and dusty or smoky environments also wait. When everyday basics such as showering, screens and walking around the city can resume depends on your procedure and your surgeon's instructions. Seoul makes a low-effort recovery practical: food delivery, cafes, and short taxi rides ask very little of your eyes.
Related pages: Your journey, step by step · SMILE Pro · After You Fly Home: follow-up across the Pacific