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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.

In most cases, LASIK is a one-off procedure that lasts many years or decades. No secondary LASIK is required in such cases. Occasionally, some pre-existing spectacle power may reoccur, and this is called regression. If significant regression occurs, an 'enhancement' procedure can be considered wher...
21 Sep 2019
The main issue with prolonged reading, whether on electronic screens or printed material (and whether pre- or post- LASIK), is that the eyes get dry . When we read something and become engrossed in the content, there is a tendency to forget to blink. This allows tears on the sur...
9 Sep 2019
Generally speaking, the younger a person undergoes the LASIK (or other refractive surgery) procedure, the more they are going to get out of it. It is a simple time-related thing. At some point in the future (usually in the 60s and 70s), a person will get cataract and undergo catarac...
21 Aug 2019
It really depends on how low is your myopia as it could means anything below two to three hundred degrees (-2.00 to -3.00). Some individuals with 25 to 75 degrees (-0.25 to -0.75) could even perform daily tasks without any form of vision correction. Ultimately, laser vision correction (LVC) is an ...
19 Aug 2019
When the eyes have fully recovered from LASIK, post LASIK patients might still consider wearing eye protection like eyeshades. Indeed, this will secure the eyes especially if engaging in activities where there is a high chance of the eyes getting poked. Having said that, that's p...
6 Aug 2019
There are 3 main types of lasers: surface ablation (aka PRK, epi-LASIK, LASEK) LASIK and Relex SMILE. All 3 are able to correct levels of astigmatism of about -4.00 . However, the degree of astigmatism isn't the only limiting factor. More importantly, we also...
31 Jul 2019
By far the most common causes of blurry vision after Lasik is dry eyes, induced higher-order aberrations and mild cornea edema related to flap creation. Less commonly, residual refractive error may be a cause of blurred vision.
25 Jul 2019
The term blade / bladeless LASIK refers to the method of cornea flap creation. Bladed Lasik utilises a mechanical keratom or blade, whilst bladeless LASIK refers to a femto-second laser which is utilised to create a cornea flap. In general, studies comparing the 2 forms of flap c...
25 Jul 2019
Lasik is highly efficacious for the main forms of visual aberration correction (namely sphere and cylinder). The main consideration is the risk of the astigmatism returning following the procedure. If suitable, patients may be recommended an adjunctive procedure called collagen...
25 Jul 2019
In terms of residual degree after the surgery, we have to consider the accuracy of the pre-operative manifest refraction, which can be affected by various factors such as accommodation (the focusing ability that can be too strong, commonly noted in children and young adults). This i...
22 Jul 2019
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Disclaimer: Any answers provided are for general informational purposes only and is not a substitute for professional medical advice. If you think you may have a medical emergency, call your doctor immediately. Always seek the advice of your doctor before starting or changing treatment.

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Disclaimer: Any answers provided are for general informational purposes only and is not a substitute for professional medical advice. If you think you may have a medical emergency, call your doctor immediately. Always seek the advice of your doctor before starting or changing treatment.

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