Lasik Surgery Have Disadvantages?

More and more people go through Lasik eye surgery now days, as it is the most popular and most widely used type of surgery to correct an number of vision problems such as myopia (short-sighted people), hyperopia (far-sighted people) and astigmatism. The procedure is so effective that more than 90% of the people who go through Lasik eye surgery have their desired vision after the surgery.

Does Lasik eye surgery have any disadvantages?

·         It is expensive but the long term cost is not that great if you consider how much glasses and contact lenses cost to people who have not performed this type of surgery. The vast majority of the people don’t need glasses and contacts after the surgery so this is a plus that it is worth to consider when you are trying to figure out exactly how much the surgery will cost you.
·         If the surgery is not 100% successful , the only way to further improve your vision is with yet another Lasik eye surgery.
·         The procedure is not simple so it is not impossible for problems to occure that could permanently affect the vision. Newer technologies however are implemented and the side effects such as glare, halo and limited night vision are not so common.
·         Over time the patient could loose some degree of “best vision”. Best vision is the best defree of vision that can be achieved by wearing the correct glasses or contacts.

On the other site it is worth noting that this type of surgery is very safe, efficient and has greats results even for large degrees of myopia, hyperopia and astigmatism.

Who can have a Lasik eye surgery?

Not everyone can have this type of surgery. First of all even if you meet all the requirements you will have to be examined from the doctor who will measure the thickness of your cornea, the refraction, the air pressure and the overall cornea mapping.   One of the defining factors of weather you can have a Lasik eye surgery or not will be the actual thichness of your cornea which is not the same for every person. If it is not thick enough it is up to the doctor to decide which type of Laser surgery is best for you, for example PRK laser surgery is often used for people who have less thick cornea.  In any case there are a number of requirements that you need to meet in order to perform any type of laser eye surgery:
·         You must be at least 20 years old and have a stable vision for at least a year. That means that your prescription for glasses must be stable because there is no point to perform a surgery if your prescription is not stable and the refractive error keeps changing, as you would need another surgery pretty soon.
·         You must be healthy and not suffer any kind of chronic medical condition, in other words your body must have the ability to heal quickly and efficiently.
·         If you are a woman you must be sure that you are not pregnant.
·         You must not be diabetic or suffer of any kind of collage / vascular desease.
·         You should not expect 100% perfect vision after the surgery, you should always first talk with the doctor who will inform you what results you should expect accordingly to your degree of your prescription.

Is lasik eye surgery effective for presbyopia?

Presbyopia is related with aging and it is caused when the lens of the eye become hard and less flexible. The lens can no longer change their shape effectively to focus on closer images because although the muscle constricts the lens is not elastic enough to form the correct shape.

Lasik correction for presbyopia is tricky because one eye is treated to have near perfect distant vision while the other eye is treated to have near perfect close distant vision. This means that in any given time one eye is out of focus, however the brain has the ability to automatically select the image that you prefer to focus on which is the best image. This type of vision is called monovision and you should ask from your doctor to give you the opportunity to try it out by wearing appropriate glasses before you make up your mind if you want to perform Lasik surgery for your presbyopia or not.


presbyopia
presbyopia



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8 comments:

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