LASIK eye surgery has aided hundreds of thousands globally to see better without utilizing glasses or contact lenses. It is the most favored refractive surgical procedure simply because there’s little if any pain and restored vision occur the next day. LASIK is an acronym for laser assisted in- situ keratomileusis.
Five things you should know prior to committing to LASIK eye surgery are listed below.
1. What is LASIK? It’s a refractory surgery procedure for correcting near and far sightedness. During the procedure, a thin flap is created either by a cutting instrument called microkeratome or by the newer IntraLase laser. The surgeon lifts the flap, then removes (ablates) the required corneal tissue with an excimer laser to reshape the cornea.
The flap is then replaced over the area where the tissue was ablated. This flap acts as bandage over the treated cornea. The surgeon carrying out the procedure makes use of a computer to calculate and adjust the laser for the particular refractive problem.
2. What to do before LASIK eye surgery? If you are seriously thinking about this procedure, the most important thing to do is find a reputable and experienced eye surgeon. A good surgeon reduces the risks of complications. The eye specialist will examine you to determine your visual defect, and the level of laser ablation necessary.
If you have dry eye disease, treatment will be needed before the procedure. A map of the cornea will be made by a corneal topographer, and you may have a wave front analysis that precisely maps out the area of visual refractive defect. Your doctor will assess your general health and medication and decide if you are eligible on health grounds for LASIK eye surgery.
If you’re not offered a patient information booklet, request for one. Prior to LASIK treatment, you should know what to expect after the procedure. You are much more likely to be happy if before treatment, you know the outcome and fully understand the risks and complications.
3. What happens during LASIK treatment? This treatment is short and you are awake all through. The surgeon might give you a mild sedative tablet before the procedure. Even though you will walk out of the treatment centre, you should be accompanied, to make certain you get home safely. The surgeon will put anaesthetic drops into your eye, and while you lie down, she or he will align the laser directly over your eye.
Your eye will be kept open and pressurised by a retainer with a suction ring. The surgeon will mark out the area of the cornea. The flap is then created either by a microkeratome or IntraLase laser. The flap is then lifted. You will then be asked to focus on a light source while the excimer laser delivers pulses of high beam light on to the cornea.
The laser will produce a consistent clicking sound throughout treatment. You might note an acrid smell during treatment. The time taken depends on the extent of your refractory problem. The flap is then replaced. You’ll then rest for some time.
4. What are the complications? Previously, following LASIK eye surgery, there were as much as 5 complain of dry eyes after LASIK eye surgery. Most go away after 6 months. Artificial tears will help. There might be under correction or over correction. Eye infection or irritation is uncommon but will need treatment.
5. What to expect? During the assessment stage, make certain you know what you should expect following surgery. You need to expect 20/20 vision or better but 20/40 or better is good enough to drive without glasses or contact lenses. A study by US Military on 16,000 army personnel following LASIK eye surgery, between 2000 and 2003 demonstrated that 86 achieved 20/40 vision or better. If the forecasted outcome does not meet your expectation, then you need to make an informed decision based on the expected results, risks and cost.
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