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When To Perform Lasik Eye Surgery

LASIK  eye surgery is the most popular surgery used to give long term correction to specific vision conditions. The term “laser-assisted in situ keratomileusis” is quite a mouthful and so the term “LASIK” is commonly used. This procedure is a form of refractive surgery which involves the reshaping of the cornea to allow light entering the eye to be properly focused onto the retina. This will result in clearer vision. LASIK surgery has been proven to correct at least 90% of impaired vision for those persons who have undergone the procedure.

Is LASIK Surgery Suitable For You?

LASIK surgery is a commonly used for the treatment of myopia, hyperopia and astigmatism. Myopia is more commonly known as near-sightedness. It’s opposite, far-sightedness is what is called hyperopia. Astigmatism, on the other hand, refers to blurred or wavy vision as a result of a misshapen eye. While these three conditions are readily treatable and corrected by wearing contact lenses or glasses, you may want to consider a complete cure for several reasons.

For some persons, wearing glasses have limited an active lifestyle. There are some forms of physical activity that are affected by glasses such as some sports and games. More severe forms of myopia and astigmatism are not treatable with glasses. Despite the fact that contact lenses provide more flexibility than spectacles, consistent wear can result in eye irritations, dry eyes and an increased risk of eye infections. For these particular scenarios, LASIK surgery is the best option.

LASIK surgery is ideal for you if you are not pregnant or breastfeeding, have a specific range of myopia or astigmatism and have had a stable prescription for at least one year in your spectacles.

The LASIK Procedure

LASIK Eye SurgeryThe LASIK surgery is a virtually non-invasive procedure. First, anaesthesia drops are placed into the eyes to make this a relatively pain free procedure. Next a flap is created in the cornea, directly in front of the iris. The flap is folded back revealing the stroma, the middle section of the cornea. Pulses from a computer-controlled laser vaporize a predetermined portion of the stroma and the flap is replaced.

Reshaping and reduction of the stroma alters the refractive power of the cornea and hence corrects the overall power of the eye. A laser is then used to reshape the cornea either into a more concave or convex shape depending on the issue being corrected. Once the desired shape has been achieved, the flap is repositioned upon completion and allowed to adhere, stitch-free.

 Are There Any Associated Risks?

The risks and possible side effects include infections, night vision issues such as seeing glares, halos or star-bursts when there are bright lights, dry eyes as well as under or over correcting. However, all these issues usually decrease and go away completely between one and three months following surgery. Antibiotics and eye drops are usually prescribed. For the cases of under and over correction, a follow-up procedure is normally scheduled to correct the problem. One must also bear in mind that the changes made to cornea are not reversible.


Recovery is very rapid with LASIK surgery, with some patients actually experiencing improved vision within 24 to 48 hours. Eyes may be dry and a bit sore for a day or two following the procedure as well. No bandages are necessary and some persons find that they need to wear their glasses or contact lenses less often or not at all.

Read more about Lasik Side Effects.


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