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Lasik Eye Surgery Procedure

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The success rate of a Lasik eye surgery is quite high with about 90% patients, who undergo this eye treatment, achieving 20/20 eyesight. The complete form of Lasik is “laser-assisted in situ keratomileusis” and, as most would know, is performed to correct refractive errors.

How Lasik Eye Surgery Works

The Lasik eye surgery procedure uses Microkeratome, which is a special instrument. The surgeon uses this instrument to create and cut open a circular, thin flap in the patient’s cornea. A laser beam may also be used to create this thin flap. The hinged flap is folded back by the surgeon to reveal the cornea underneath. This is done so that the surgeon may remove corneal tissue using an excimer laser.

This excimer laser is used to remove small pieces of tissue from the patient’s cornea in order to reshape it. For this purpose, the laser beam employs a cool ultraviolet light, which burns the tissue away. Reshaping of the cornea enables better focus and gives the patient a much clearer vision, 20/20 vision in most cases.

Once the cornea is reshaped, the surgeon then replaces the thin flap that he had pulled back hence, covering the eye from where the tissue was ablated.

In case of myopic people, i.e. nearsighted patients, the too-steep cornea is flattened and in case of hyperopia, i.e. farsighted people, the more-than-desired flat cornea is made steeper. In the case of astigmatism, the laser smoothes the irregularities of the cornea to bring it to a normal shape hence, correcting the vision.

Pre Lasik Eye Surgery

Before the Lasik eye surgery takes place, it is important that the patient has a thorough counseling session with the ophthalmologist in order to gauge the risks and benefits of the eye surgery. The doctor explains in detail the exact procedure that will be performed, the pre-op and post-op precautions that the patient needs to take and most importantly, whether that person is actually a good candidate for this surgery.

There are many tests and exams that an ophthalmologist needs to perform on the patient who is about to undergo a Lasik eye surgery. These tests determine the amount of tissue removal required, whether the patient is suffering from any eye diseases and the exact measurement or mapping of the curvature of the eye.

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The Lasik Eye Surgery Procedure

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Lasik eye surgery is an operation that can correct vision problems such as nearsightedness, farsightedness and astigmatism. However, Lasik eye surgery is not for those with certain conditions such as glaucoma and cataracts. Those who also don’t like wearing contact lenses or reading/correction glasses can also opt for this operation so that they won’t need to depend on contacts or glasses anymore.

 

Lasik stands for laser in situ kertomileusis. What the surgeon does in this operation is he/she re-shapes the cornea of the patient using a laser, in order for the patient’s eye vision to become better.

 

Lasik eye surgery is only allowed for those who are over 18 years old and who want to correct their vision. If there are people who want to have this operation but have suffered from an eye disease, infection or illness in the past year, they will not be allowed to have the Lasik eye surgery. To ensure whether you are a good candidate for this operation or not, the best thing to do is to consult an eye doctor or an ophthalmologist/optometrist.

 

However, the question on a lot of people’s minds usually is, “how to find the right surgeon?” Finding the right surgeon is an important thing to do because you will trust this person to work on your eye and of course, you will be hoping for positive results. Lasik eye surgery cost is very expensive nowadays, so, you will also be paying a lot of money. Therefore, it is important that you find someone who is experienced, trustworthy and has a good profile. When finding an eye doctor and surgeon, you will need to do thorough research on the internet and perhaps it would also be best to even ask around, maybe your family and friends, for a few references.

 

The Procedure

 

What’s frightening about the Lasik eye surgery is that you will be awake the whole time and the entire procedure will take about 15 to 30 minutes, depending on the severity of the condition of your eyes, and also if you are having both of your eyes repaired in the same session.

 

Before the operation begins, your doctor will give you an oral sedative, usually a mild one. In the beginning of the surgery, your surgeon will have you lie down on a reclining chair. Then, he/she will apply anesthesia into your eye, in the form of liquid drops, so that you will not feel any pain or discomfort during the entire operation.

 

Next, a holder will be placed in between your eyelids to prevent your eye from closing and blinking, as blinking can disrupt the process and it may damage your eye even further. Next, you have to make sure that your eye is positioned properly under the laser.

 

The surgeon will then mark your cornea with an ink marker before creating a flap. The flap will then be made with either a microkeratome or other mini surgical tools. Once the flap is created, it will then be attached to your cornea along with a suction ring which will help in keeping your eye still.

 

You will then be asked to look at a pinpoint light for a while. This is the laser that sculpts and fixes the cornea of patients. The duration of the surgery actually depends on the level of correction.

 

Once the operation is done, you will be advised by your doctor to rest for a few days. He/she will also give you the proper medications which you need to take based on your physician’s instructions.

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