Eagle Eye Centre
FAQ on LASIK & Refractive Surgery
1. Is there any preparation required prior to the first consultation?
2. What range of refractive errors can be treated?
3. Can laser vision correction be done if I am pregnant?
4. What are the side effects? Will I go blind if it goes wrong?
5. How long is the treatment?
6. Is it painful?
7. How long does it take to recover?
8. Can both eyes be operated on at the same time? If not, when can I have the other eye done?
9. When can I exercise or swim after the surgery?
10. Can I travel by airplane after the surgery?
11. How much time off work do I need to take after the surgery? Will medical leave be given?
12. Will my eyes be permanently weakened after the procedure?
13. What happens if my vision is not fully corrected after the procedure?
14. Can I still use spectacles or contact lenses if the treatment does not give satisfactory results?
15. How long will the correction last?
16. How often do I need to come back for post-operative review?
17. Can I use Medisave?
18. How do I know if I am suitable for LASIK surgery?
19. What if there is a power failure during the surgery?
20. Can I see immediately after the surgery? How soon can I see well?
21. Can LASIK surgery treat astigmatism? What about long-sightedness?
22. What is the difference between LASIK and Epi-LASIK?
23. What is the difference between Intralase and EEC's FEMTO LDV laser?

1. Is there any preparation required prior to the first consultation?
• If you wear soft lenses it is advisable to stop wearing them for 1 week before the pre-operative  consultation but if it is not possible for you to stop wearing them for 1 week then the minimum that  you should stop them for is 3 days.
• If you wear hard/ gas permeable lenses it is advisable to stop wearing them for 2 weeks or for a  minimum of 1 week prior to the pre-operative consultation.

2. What range of refractive errors can be treated?
• For Hyperopia the range of error that can be treated is +6.00DS.
• For Myopia the range of error that can be treated is 100- 1500.
• For Astigmatism the range of error that can be treated is -6.00DS.

3. Can laser vision correction be done if I am pregnant?
• Because there may be some changes in the shape of the cornea or lens during pregnancy as a  result of the hormonal changes it is not advisable to have laser vision correction as it will lead to a  risk of inaccuracy.
• However you can consider having the surgery 3months after your delivery and there is no need to  be worried about not being able to breast feed after the surgery, it is totally fine.
• Laser vision correction is not known to be harmful to a foetus/ an unborn child.

4. What are the side effects? Will I go blind if it goes wrong?
• Common side effects are dry eyes, light sensitivity, glare and halos during the first few weeks, but  most of these side effects will subside over time.
• Blindness could occur only if a serious complication such as infection or scarring occurs. But this  is very rare as antibiotic eye drops are prescribed as a routine to prevent such infections or  scarring from occurring.
• EEC's staff and doctors are highly trained and experienced in LASIK surgery, therefore you will be  in very safe hands and even if the worst case of infection occurs, EEC is backed with one of the  most experienced cornea surgeon who can treat the patient "Free" to regain eyesight.

5. How long is the treatment?
• This depends on whether you are doing the pre-LASIK assessment and surgery on the same day  or if you are doing this on a separate day.
For pre-LASIK Assessment and Surgery to be done on the same day:
√ The pre-LASIK assessment which will require for your pupils to be dilated, will take about 2-3hrs.  After which if you are found suitable for the procedure you will need to wait for about 4-6hrs for  your pupils to constrict in order to undergo the surgery. And once ready, you will be brought in to  the preparation room to do the necessary pre-surgery preparations of which will take about 30  mins and thereafter your surgery time for both eyes will only take 10mins.
For Assessment and Surgery to be done on different days:
√ On the pre-LASIK assessment day, it will take about 2-3hrs from start to finish.
√ On the surgery day, pre-surgery preparation will take about 30mins and the surgery for both eyes  will take only 10mins.

6. Is it painful?
• Local anaesthetic eye drops will be instilled into the eyes throughout the surgery so there is no  pain during the procedure, just some pressure is felt at times.

7. How long does it take to recover?
• For LASIK surgeries, the recovery period would usually take about 24 hours. Most patients will  experience better functional vision within this 24 hrs and thereafter their vision will gradually  improve over the next few days. That being said, the stability of the vision will vary from person to  person, some may take 1 month while others may take up to 3 months for their vision to stabilize.
• For Epi-LASIK surgeries, the recovery period would usually take about 5 days to about 1 week and  about 1-3 months for your vision to stabilize.

8. Can both eyes be operated on at the same time? If not, when can I have the other eye done?
• Yes both eyes can be done on the same day.
• However we can perform the surgery on a separate sitting if you wish. After the first surgery is  done, you can do the second surgery the following day or one week later.
• But this is not advised as you may experience giddiness and discomfort due to imbalance of vision  during the interim period between the first and second eye. There were concerns regarding the  safety of simultaneous LASIK initially but from our experience and from many others' experiences,  it has been shown that simultaneous LASIK does not have significant increase in risk compared to  LASIK done on a separate sitting. In fact, simultaneous LASIK offers significant reduction in  downtime and convenience.

9. When can I exercise or swim after the surgery?
• In general, normal activities can be resumed after 1 week but please refrain from swimming or  water sports for 2 weeks. In addition, for LASIK surgery patients, we would advise you to avoid  contact sports for 1 month to avoid accidental injury to the corneal flap.

10. Can I travel by airplane after the surgery?
• Yes you can but preferably travel only at least 5days after your surgery.

11. How much time off work do I need to take after the surgery? Will medical leave be given?
• For LASIK surgery about 2-3 working days.
• For Epi-LASIK surgery about 5 working days.
• Yes a medical certificate will be given according to the type of surgery that you undergo.

12. Will my eyes be permanently weakened after the procedure?
• No, LASIK does not weaken your eyes significantly.
• A flap will be present after LASIK is done. But in both LASIK and EpiLASIK, the cornea is thinned  down to a safe limit such that long term risks are almost impossible.

13. What happens if my vision is not fully corrected after the procedure?
• In some cases with undercorrection or overcorrection after the initial laser treatment, enhancement  surgery can be performed and this enhancement surgery can be done about 4 months after the  LASIK procedure.
• This time interval is to allow stability of the refraction to be achieved before enhancement surgery is  performed.

14. Can I still use spectacles or contact lenses if the treatment does not give satisfactory
results?
• Yes, you can still where your spectacles if the treatment doesn't give you satisfactory results.
• But for contact lenses, it may not be possible to wear soft contact lenses in all cases as the shape  of the cornea has been changed by the laser surgery whereas for hard contact lenses, it is can be  fitted for all post LASIK cases.
• On the other hand what we can do for you is to plan for an enhancement surgery to help make your  vision as satisfactory to you as possible. However, so far our enhancement rate is very low ~1%,  hence we don't ever expect patients to need contact lenses again.

15. How long will the correction last?
• Laser vision correction is permanent. There might be fluctuations in vision in the first 3 to 6 months  while the eye is healing but thereafter, the result will be permanent.

16. How often do I need to come back for post-operative review?
• 1st day post operation
• Within 1st week post operation
• 3 mths post operation
• 6 mths post operation

17. Can I use Medisave?
• No you can't use your Medisave unless the LASIK surgery was done due to health issues and not  for cosmetic purposes.

18. How do I know if I am suitable for LASIK surgery?
• To determine if you are a suitable LASIK candidate the best method is to make an appointment  with us for a thorough pre-LASIK assessment. Without examining your eyes physically, there is no  way to tell if you are a suitable candidate for the surgery.
• The general criteria that you must however first fulfil would be that you have to be older than 18, that  you are not pregnant, that you have no Cataract, Glaucoma or any retina diseases. Further tests  will then be needed to determine degree, cornea shape and thickness for a true LASIK suitability  determination.

19. What if there is a power failure during the surgery?
• Not to worry, there is a standalone backup power supply in our clinic which will allow for a safe  completion of surgery at any point in time.

20. Can I see immediately after the surgery? How soon can I see well?
• Yes you will be able to see immediately after the surgery but it will be fuzzy. Your vision will  gradually improve the day after of which you should then be able to see things more clearly.

21. Can LASIK surgery treat astigmatism? What about long-sightedness?
• Yes, it can treat astigmatism.
• Yes, it can treat long-sightedness but it depends on individual's eyes. Also if you have long  sightedness with monovision, we do cater for such surgeries too.

22. What is the difference between LASIK and Epi-LASIK?
• During LASIK surgery a flap is required to be created whereas for Epi-LASIK surgery a flap is not  required to be created.
• In addition, for Epi-LASIK surgeries patients may experience slight pain/ discomfort and a slightly  slower recovery compared to LASIK surgeries.
• Epi-LASIK is suitable for patients with thin corneas and those active in contact sports.

23. What is the difference between Intralase and EEC's FEMTO LDV laser?
• With the FEMTO LDV laser, flap creation can be done in the same sitting as that of the LASIK  procedure. This would mean that you as a patient can comfortable lie on one bed without having to  move from machine to machine for the whole procedure. Unlike undergoing Intralase where the  flap creation is done at a separate sitting from the excimer laser forcing patients to move from one  bed to another. In addition, the FEMTO LDV laser is much faster which also allows for a more  precise cut to aid in faster healing as compared to intralase which takes a longer time to create the  flap and it is also harder to separate the flap during the surgery.



Why Choose EEC?
 
Eagle Eye Centre @ Mt Alvernia
820 Thomson Road, Mount Alvernia Hospital, Medical Centre Block B, #02-11/17 Singapore 574623
Tel: (65) 6456 1000 Fax: (65) 6456 1006

Eagle Eye Centre @ Mt Elizabeth
Mount Elizabeth Medical Centre, 3 Mount Elizabeth #08-02 Singapore 228510
Tel: (65) 6836 0001 Fax: (65) 6836 0002

Eagle Eye Centre @ Parkway East
Parkway East Medical Centre, 319 Joo Chiat Place, #05-03 Singapore 427989
Tel: (65) 6348 1000 Fax: (65) 6348 1001
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