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Pre & Post Operative Instructions

Instruction before taking eyes examination
1. For your convenience please make an appointment by telephone (Tel. +66 7426 3223, +66 7445 1745-6) for your appropriate date and time in eyes examination.

2. Patients with contact lenses should refrain form wearing them at least 3 days for Soft Lens and 7 days for Hard Lens or Semi-Hard Lens prior to the appointment. Since a long period of wearing contact lenses, the shape of cornea may be changed and will effect the accuracy of examination’s results. Therefore Ophthalmologists have to let the patient remove contact lenses before the examination for the purpose of recovering the cornea’s shape.

3. Time consume for thorough examinations process will take approximately 2-3 hours.

4. The eyes examination required eye drops for pupils’dilatation effect, which will decrease the ability of the eyes against bright light. Therefore you should bring a relative or friend to assist your return trip, also sunglasses are recommended after the eyes examination.

5. If you have any personal illness, pregnant or during lactation period please inform your Ophthalmologist.

6. The Ophthalmologist or our well-trained staffs will give any additional details or advice concerned your next appointment.


What to do on the day of LASIK treatment?
1. For you convenience please arrive Crystal LASIK Center by 15 minutes ahead to your appointment time.

2. You should have someone to assist your return trip after LASIK procedure.

3. Take a bath and shower cleanly from home.

4. Refrain from using cosmetics especially around your face and eyes including perfume, hair spray, deodorant and odorous cosmetics.

5. Wear comfortable clothing, tight T-shirt is not recommended because it may scratch the eyes while taking off.

6. Regular medicines or food could be taken as usual. Nevertheless some specific medicines have to be discontinued upon the advice or instruction form the Ophthalmologist.

7. During the operation take it easy and not to worry for anything, just follow Ophthalmologist and nurse’s instruction step by step.

8. After LASIK surgery there’s no need to admit in the hospital. The Ophthalmologist will make an appointment by the next day to take off the eye shield and re-examine the eyes.

9. Consent Form should be properly signed prior to LASIK procedure.


Post operative Instruction
1. Some side effects may be occurred after LASIK procedure as follow;
- Tearing, itching eye, close your eyes could be helpful in reducing the symptoms
 - Some may have eye redness or eye’s sensitivity to bright light but the symptoms will be recovered within one week.

2. It is prohibited to remove the eye shield by yourselves. The Ophthalmologist will remove it by the appointment on the next day.

3. The patient should not use the sight for prolong period following the first 24 hours after LASIK procedure, including driving, reading, watching TV, or working on computer screen. These will cause irritation to your eyes after LASIK procedure. The best thing to do is lie down, closing the eyes or sleep.

4. No rubbing of the eyes definitely and take precaution not to allow water to get in your eyes for at least one week. If it really necessary to clean the facial area during this week, use wet piece of cloth to wipe the face only.

5. Instill eye drops or take oral medicines as prescribed by the Ophthalmologist strictly.

6. Put on the eye shields while sleeping for one week to prevent rubbing the eyes inadvertently.

7. Avoid places with dust or smoke, put on sunglasses when going out-side

8. No swimming or diving for one month.

9. Refrain from using cosmetic around the eyes including eye shadow for one week.

10. Avoid wearing tight T-shirt for 2 weeks.

11. Attend all postoperative appointments scheduled as follows: 1 day, 1 week, 1 month, 3 months and 1 year.

12. Strictly observe the Ophthalmologist’s recommended instructions which will effect overall treatment outcome, in case of any problems or abnormalities see the ophthalmologist immediately.