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LASIK Profile Image

LASIK

LASIK is eye surgery that corrects nearsightedness by using a laser to reshape the eye's cornea, while cataract surgery replaces a cloudy lens from your eye with an artificial lens to restore clear vision.

LASIK overview

LASIK is a type of refractive surgery for the correction of myopia, hyperopia, and astigmatism.

The LASIK surgery is performed by an ophthalmologist who uses a laser or microkeratome to reshape the eye's cornea in order to improve visual acuity.

For most people, LASIK provides a long-lasting alternative to eyeglasses or contact lenses.

Read this post for more information on LASIK treatment in Singapore.

Cataract surgery overview

Cataract surgery is the removal of the natural lens of the eye that has developed an opacification, which is referred to as a cataract.

Many peoples' first symptoms are strong glare from lights and small light sources at night, along with reduced acuity at low light levels.

During cataract surgery, a patient's cloudy natural cataract lens is removed and replaced with a synthetic lens to restore the lens's transparency. Following surgical removal of the natural lens, an artificial intraocular lens (IOL) implant is inserted.

Well over 90% of operations are successful in restoring useful vision, with a low complication rate. 

Risks of LASIK 

  • Dry eyes - A reduction in tear production is possible for the first few months after the LASIK surgery. Eye drops can be a temporary solution to this 

  • Under-correction - It is possible that too little tissue is removed from your eye, causing you to still not have perfect vision. Another procedure will be needed if this is the case. 

  • Over-correction - The opposite to the condition above, though this will be slightly more cumbersome to fix. 

  • Vision Loss - On the most extreme and rare spectrum, vision loss could occur due to some mishap or may not be able to see as clearly as before. 

How long it takes to recover from LASIK surgery 

Theoretically, you should be able to see better after 1 day of your surgery. Nevertheless, it is common for your vision to be slightly blurry or unclear for the first few weeks as your eyes are adjusting. A good guideline would be that the higher your inital prescription, the longer it will take to recover from the LASIK surgery. 

Read this post for more information on Cataract surgery in Singapore.

Any laser procedure which corrects myopia or hyperopia, can also usually correct astigmatism. This includes LASIK, PRK/epiLASIK and SMILE. In general, I think LASIK or PRK/epiLASIK gives better results because of the availability of automatic cyclotorsion control, and also the ability to use sophis...
19 Jul 2019
There is as far as I know, no reliable statistical data to allow a definitive answer to this question. By this, I mean there are no well conducted, randomised blinded controlled trials comparing different procedures with respect to residual refractive error. As I mentioned in another answer, a Coch...
9 Jul 2019
If you have LASIK before your spectacle degree is stable, you may find some of your original spectacle power 're-appearing' after the LASIK procedure.
9 Jul 2019
Regression refers to the return of some amount of spectacle power that had been originally treated by the refractive procedure. It can happen after any refractive surgery, eg LASIK, epi-LASIK/PRK/TransPRK, ICL, and cataract surgery. To put things in perspective, when patients have been thoroughly c...
7 Jul 2019
You might want to have a look at some of the answers to these previous questions to get more background information about corneal cross-linking and LASIK: Does corneal collagen cross linking with LASIK or ReLEx® SMILE® have benefits? Is corneal cross l...
6 Jul 2019
With LASIK enhancement, the flap is opened and the underlying stromal bed is treated again to remove residual spectacle power. The effect on flap adherence is the same as after LASIK for the first time, ie that initially it will be weak and then eventually as the cornea heals, the adherence will go...
6 Jul 2019
If an optometrist is seeing a patient for the first time, some information will have to come from factors such as the patient's age, the patient's history with regard to frequency of spectacle power changes and when the spectac...
4 Jul 2019
Actually, the basis of your question ie that epi-LASIK patients tend to have residual degree as compared to LASIK patients is not necessarily true. For example, in this Cochrane Database Review meta-analysis comparing LASIK with PRK (which is the same as epi-LASIK) https:/...
4 Jul 2019
iLASIK falls into the category of LASIK surgery which is performed using the IntraLase iFS Advanced Femtosecond Laser to cut a corneal flap and Star S4 IR Excimer Laser to reshape the cornea, thus correcting refractive errors. Patients with had un...
2 Jul 2019
Hi, If you have done your double eyelid surgery for at least 3 months before your LASIK surgery, there should not be any significant added risk.
2 Jul 2019
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