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Eye & LASIK Profile Image
Eye & LASIK

Lasik surgery

No, dry eyes that persist after LASIK surgery are not attributable to intraoperative factors or complications. Rather, they usually happen because there was already pre-existing dry eyes before surgery caused by things like prolonged contact lens wear, acne medication etc, and th...
19 Oct 2018
Dear Annette There are no strict limitations for when a person is no longer able to have LASIK. For patients older than 40, the surgeon will have to take into consideration the presence of other age-related eye conditions like cataracts. Should cataracts be a cause of poor vision, th...
27 Jul 2018
Hi Windy The main corneal parameter that is considered in terms of avoiding corneal ectasia is the 'residual stromal thickness' (RST)-which means either the remaining thickness of untouched cornea under a LASIK flap or in the case of epi-LASIK/PRK, the remaining corneal thickness...
21 Jun 2018
Dear Windy Collagen cross-linking is often applied at the same session as when the laser was performed with the intent of trying to reduce the risk of post-LASIK ectasia. In fact, collagen cross-linking originally began life as a treatment for progressive ectasia and remains so today. In any giv...
20 Jun 2018
The word 'hard' is a relative term and means different things to different people. The susceptibility of a particular cornea to the effects of eye rubbing is also not quantifiable at the moment. That is partly why although there is an association between eye rubbing and s...
22 Jun 2018
Dear Mei When there are symptoms suggestive of any potential eye disease, I would recommend addressing the underlying problems first before embarking on any form of surgery, refractive surgery included. Complaints such those you described are suggestive of dry eye and refractive error instabili...
18 Jun 2018
Dear cat88hiu I regret to hear that your results may not have been what you expected. Often times, it is possible to have a difference of 0.25D to 0.50D (25 to 50 degrees) between 2 eyes following a successful LASIK surgery. Usually each eye at this level is still able to see ...
25 Jan 2018
Dear JaydenPoon Great question about when to perform LASIK after the assessment. Many patients are confused about the variation in practices on when to perform LASIK. Some practices do perform the assessment and LASIK all on the same day primarily for the patients’ conve...
25 Jan 2018
Dear Yiling With all things relating to surgery, risks of side effects and complications are important considerations. One known important side effect of LASIK surgery is that of dry eye syndrome. Part of the assessment of whether a person is suitable for LASIK is to look out ...
25 Jan 2018
Dear Tong, To answer this question, let’s take a step back and look at what happened in the past. When we first started doing LASIK, all patients were operated on, one eye at a time. Among the reasons for this were the following: 1. We were worried about infections or...
25 Jan 2018
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