Refractive

GS Eye Center wants to create ophthalmology that delivers good results, makes people feel comfortable, and spreads good wills.

What is corneal cross-linking?

It strengthens cornea by increasing the binding force of collagen that compose the cornea.
It also prevents corneal ectasia and suppresses myopia regression that may be developed after LASIK/LASEK surgery.

CHECK POINT for corneal cross-linking

  • Treatment and prevention of Keratoconus

  • Side effect prevention in patients with high myopia

  • Enhanced safety of vision correction surgery

Treatment and prevention of Keratoconus

Side effect prevention in patients with high myopia

Enhanced safety of vision correction surgery

Excellence of corneal cross-linking

  • OK with keratoconus patients

    It not only treats keratoconus by strengthening corneal tissues, but also enables safer surgery of patients who were not able to receive LASIK surgery due to suspicion of keratoconus.

  • OK with high myopia and thin cornea

    It provides opportunities of safe LASIK/LASEK surgery even for those with high myopia and thin corneas (450 um or less), which were difficult to receive surgery.

  • Side effects prevention in advance

    The cornea cross-linking procedure strengthens the cornea, preventing corneal ectasis and reducing the possibility of myopia regression.

Safety

Proven safety of corneal cross-linking

Safety verified by KFDA of Korea as well as the USA, entire Europe, Japan, and Singapore

Target of corneal cross-linking

  • STEP.01

    Those with a family history of keratoconus

  • STEP.02

    Those who are concerned of or highly likely to have myopia regression after LASIK or LASEK surgery

  • STEP.03

    Those with thin corneas, Those with hyperopia

  • STEP.04

    Those with complications due to corneal flap creation

  • STEP.05

    Those with high myopia who require a large amount of cornea ablation

  • STEP.06

    Those who have worn contact lenses for a long period of time

Procedure of corneal cross-linking

Avedro Collagen Cross-linking (Avedro KXL System) strengthens weakened corneas by increasing the binding force of collagen that composes the cornea.

  • STEP.01

    Let VibeX absorbed into corneal parenchyma after LASIK and LASEK surgery.

  • STEP.02

    Rinse off the applied solution.

  • STEP.03

    Irradiate UVA (ultraviolet rays) using the corneal cross-linking program.

Please check in advance!
Precautions before examination

If you are planning to receive eye examinations and surgery on the same day, be sure to familiarize yourself with the precautions before surgery.

※ You must stop wearing contact lenses for a certain period of time before surgery.

※ Be sure to bring your glasses on the day of surgery.

  • Contact lens

    • Soft lens (color lens) : Do not wear for 4 days
    • Soft lens for astigmatism (color lens) : Do not wear for 7 days
    • Hard lens : Do not wear for 7 days
    • Dream lens : Do not wear for a month

  • Examination

    • Examination takes about 2 hours.
    • Visiting two different clinics for examination is impossible as a drug is used in the examination.

  • Driving

    • Due to drug-aided eye examinations, you will be inconvenienced with short-distance vision for about 3~4 hours.
    • Please use public transportation on the day of examinations as driving is not allowed.

  • Pregnant women

    • Receiving eye examinations and surgery during pregnancy are not recommended due to hormonal changes.
    • We recommend receiving eye examinations and surgery 3 months after childbirth or after breastfeeding.

  • Medication

    • Taking medications, including tranquilizers and antidepressants, will not prevent you from receiving examinations.
    • However, when receiving surgery, you must bring 1) a prescription for medications and 2) a doctor's note. The doctor’s note must include “the exact name of the diagnosis, availability of vision correction surgery under local anesthesia”.

Please check in advance!
Precautions before surgery

Your return to daily life varies by the surgical method. Choose the method of surgery that is the most appropriate for your lifestyle.

※ You must stop wearing contact lenses for a certain period of time before surgery.

※ Be sure to bring your glasses on the day of surgery.

  • Lens

    • Soft lens (color lens) : Do not wear for 4 days
    • Soft lens for astigmatism (color lens) : Do not wear for 7 days
    • Hard lens : Do not wear for 7 days
    • Dream lens : Do not wear for a month

  • Attire

    • The surgery is performed lying down. Wearing a hoodie is strictly forbidden as it may affect surgical quality.
    • Avoid wearing a short skirt during surgery.

  • Face makeup

    • Avoid face makeup except for toner and lotion on the day of surgery.
    • The surgical laser is sensitive to makeup and fragrances, so avoid using them during surgery.

  • Perm · Dye

    • Hair perm and dye are allowed until 3 days before surgery. If you are planning to do so, do it in advance not to interfere with surgery.

  • Driving

    • Driving right after surgery is prohibited. Please use public transportation or accompany a guardian.

  • Drinking

    • Drinking a day before surgery is strictly forbidden.

  • Sunglasse

    • To avoid light sensitivity and UV rays after surgery, bring sunglasses or a hat with you. (required for LASEK)

  • Medication

    • Taking medications, including tranquilizers and antidepressants, will not prevent you from receiving examinations.
    • • However, when receiving surgery, you must bring 1) a prescription for medications and 2) a doctor's note. The doctor’s note must include “the exact name of the diagnosis, availability of vision correction surgery under local anesthesia”.

Please check in advance!
Precautions during surgery

Familiarize yourself with the precautions during surgery in advance. It will reduce unnecessary tension and create a better environment to receive surgery based on proper cooperation.

Cooperation on waiting

  1. 01

    Keep your eyes closed while you are waiting before surgery so that your eyes will not dry out.

  2. 02

    The surgery is performed lying down. If you wear a hoodie, you must take it off before surgery.

  3. 03

    If you are not wearing any clothes inside the hoodie, please inform the fact at the reception desk. We will provide you with clothes for you to change.
    (The hoodie may cause unintended bodily movement during surgery.)

Cooperation before surgery

  1. 01

    The surgery takes about 7~8 minutes. There is no pain during surgery with topical anesthesia.

  2. 02

    Because of topical anesthesia, your eye may not blink as usual. Do not intentionally close your eyes.

  3. 03

    We use a special device to keep your eyes open during surgery. You do not have to worry about naturally blinking your eyes during surgery.

Cooperation during surgery

  1. 01

    Do not verbally ask questions during surgery unless it is an emergency. Instead, raise your hand to find a nurse.

  2. 02

    Do not turn your head or move your eyes during surgery. The duration and the outcomes of surgery depend on your cooperation.

  3. 03

    The surgeon and nurse will provide a thorough explanation to avoid panicking during surgery.

Please check in advance!
Precautions after surgery

Please refer to the number of days required to resume the activities by surgical method.

Smile LASIK LASIK 2-Day LASEK Lens Implantation
Face Wash · Shower 		From the next day After two days After four days After a week
Sauna 		After a week After two weeks After two weeks After a month
Reading · Electronic device 		From the next day From the next day After four days From the next day
Light exercise 		From the next day After two days After a week After two weeks
Strenuous exercise 		After a week After two weeks After a month After a month
(External impact caution)
Face makeup 		From the next day After two days After four days After a week
Eye makeup 		From the next day After a week After two weeks After a week
Perm · Dye 		After a week After a week After two weeks After a week
Driving 		From the next day After two days After a week After a week
Drinking 		After a week After a week After a week After a week
Smoking 		After a week After a week After a week After a week
Protective eye patch 		Do not wear. Wear for a week Wear for four days Wear for a week