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Laser-Assisted In Situ Keratomileusis (LASIK)
In this procedure, a laser is used to reshape the eye's surface (cornea) to alter the way light rays enter the eye to achieve focus. This method of correction treats nearsightedness, farsightedness, and astigmatism. The surgeon cuts a flap in the stroma, then uses an excimer laser to remove material under the flap. LASIK usually takes less than one minute per eye.
LASIK is the most commonly performed refractive surgery procedure. LASIK has advantages over other procedures, including a relative lack of pain afterward and the fact that good vision is usually achieved almost immediately, or at least by the very next day.
Before the LASIK Procedure:
If you are considering LASIK eye surgery, your first step is to choose a good surgeon. Here at Doctor Dexter’s Vision Center we highly recommend LASIK MD Vision, located in Montreal, Quebec or Greenfield Eye & Laser Center, located in Greenfield, MA. The next step is to call to schedule a FREE Prelasik Evaluation with one of our vision care specialists.
In order to decide whether you're a good candidate for LASIK, our eye doctors will examine your eyes to determine their health, what kind of vision correction you need, and how much laser ablation is required. Just as in a regular eye exam, he or she will use instruments such as: a refractor (to determine your prescription); a slit lamp (to look into the back of the eye for retinal problems); a tonometer (to determine intraocular pressure — if it's high, this may be an early sign of glaucoma); and a pachymeter (to measure the thickness of your cornea).
Our highly trained doctors will also look for signs of dry eye disease, which must be treated and cleared up before LASIK can be performed.
In addition to the tests above, a corneal topographer may be used; this device photographs your eye and creates a kind of "map" of your cornea. No one has a perfectly rounded cornea, and the topographer will display the corneal irregularities and the steepness or flatness that the surgeon must correct.
Some prelasik exams also require a dilation, where the doctor will further evaluate and document the health of your retina. Please note that for Lasik procedures, the Optomap retinal exam is not a viable substitute for a dilation.
Finally, our doctor will ask questions about you and any health problems you have or medications you take. Some health conditions will disqualify you altogether for LASIK, but others may just postpone the procedure until a later date.
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