With the increasing popularity of laser eye surgery and the ongoing development of methods and technologies, the main concern of many people in view of the operation is as follows: What are the possible side effects?
The good news is that both PRK (photorefractive keratectomy laser eye surgery to correct mild myopia and astigmatism) and Lasik procedures a risk. In reality, vision, severe complications are minimal.But, as with any form of surgery can cause side effects. Here are the most common side effects, which can cause the laser eye surgery:
Infection and delayed healing
About one tenth of one percent of all patients suffering from an infection of the cornea after PRK. A face little 'less than an infection after LASIK. Corneal infection will not have long-term effects, but there is usually some discomfort and further aid the healing Process is slower.
After correction / over-correction
Although great advances in laser eye surgery has been done, the surgeon is unable to predict exactly how your eyes respond to the procedure. In some cases, you have to wear corrective lenses after surgery. If the results are very satisfactory, you have the opportunity to undergo a second surgery to improve your vision.
Decrease in Best-Corrected Vision
After> Laser eye surgery, few patients who find their best corrected vision with contact lenses, it is actually worse than it was before surgery. This is a rare event, but can occur if you have developed an irregular tissue or a clouding of the cornea.
Excessive Corneal Haze
Opacity of the cornea is not unusual. In fact, part of the normal recovery process after refractive surgery. In general, this does not affect the final vision, and only becomes clear, aOphthalmologist with a microscope. In some cases it is excessive blurring of the cornea interfere with the final vision. In this case, it can often be corrected with a second operation. Noteworthy is also the risk of dealing with excessive turbidity of the cornea is much lower with Lasik eye surgery than with PRK.
Regression
Regression is exactly as it sounds: in some patients after a period of some who have their vision back to its condition before the operation. In other words, theykeep the search after the operation is inefficient. A second surgery is usually possible in these cases.
Halo Effect
The halo effect is generally unnoticed, except in cases where the light is weak. As the name suggests, a second image faded, as the pupil expands visa. This image is from the peripheral cornea. There is a risk that the halo effect often can interfere with driving at night.
Flap damage or loss
In some cases, Lasik, instead of Creating a flap hinged to the center of the cornea is the tissue. This can usually be replaced after the laser treatment. In some cases, the valve can be damaged or lost.
Distorted Flap
Even in relation to the LASIK procedure, if possible, the healing of the corneal flap is irregular, then the shape of the cornea is distorted. This is often correct in the results of better vision remains disappointing.
Other side effects of laser> Eye Surgery
Although both the procedure and the healing process seems to go perfectly, there are some side effects that may lead to more discontent. Elderly patients, for example, can not have both distance and near vision in the eye the same without glasses or contact lenses. Patients suffering from myopia, but can still read without glasses may no longer be able to read without glasses after surgery. And finally, if not both eyes at the same time, treatmentThe eyes are working together might be awkward between the time of the first operation and second operation.
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