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What is LASIK?
Learn more about refractive surgery and your options.
If you’re like most people, you’re not entirely happy with wearing lenses to correct your vision. Maybe it’s the way your glasses steam up when you come inside in winter. Perhaps it’s switching back and forth from regular glasses to sunglasses in summer, straining to read your alarm clock when you wake in the morning, or getting dust under a contact lens at just the wrong moment. Maybe lenses are even limiting your choice of career, or the sport you play.
Whatever the problems with glasses or contact lenses, refractive surgery offers an alternative that could help you see better without them.
LASIK is one form of refractive eye surgery. Refractive surgery corrects your vision by changing the shape of the cornea, the transparent layer that covers the outer surface of the eye.
The new UW Health LASIK Eye Surgery Clinic is located at 2349 Deming Way in Middleton. Open since December 2023, this surgical clinic is in the same building as our Deming Way Eye Care Clinic and includes the most advanced laser technology available. It also has personalized treatment options that go beyond LASIK and the convenience of having all your pre- and post-op appointments in the same place as you have your eye surgery.
What does LASIK help correct?
How does the eye work?
The eye functions like a camera. Light comes in through the cornea, which focuses the light rays as they pass through the pupil and the lens. The iris, which surrounds the pupil, works like a camera shutter and controls the amount of light that enters the eye. In normal eyes, the cornea and lens bend light so that it focuses directly on the retina, the light sensitive tissue in the back of the eye. The retina changes light into electrical impulses that travel via the optic nerve to the brain.
Poor vision results when the cornea and the lens focus light too far in front of or behind the retina. Corrective lenses work by allowing the light to focus directly on the retina.
Refractive surgery can help with nearsightedness, farsightedness and astigmatism.
When someone is nearsighted, light entering the eye is focused in front of the retina, instead of directly on it. People with myopia see near objects more clearly, while far objects appear blurry and out of focus.
Myopia is an inherited condition, which usually starts in childhood and stabilizes in the late teens or early twenties.
Farsightedness or hyperopia is a condition that occurs when light entering the eye is focused behind the retina. People with mild farsightedness have difficulty seeing objects up close but distant objects may be seen clearly. Higher amounts of hyperopia may result in the inability to see objects well at any distance.
Astigmatism is the eye condition that occurs when the curvature of the cornea is not uniform, causing light to fall unevenly on the retina. This irregularity makes objects appear blurry or “ghosted.”
Refractive eye surgery options
Our eye surgeons perform several types of refractive surgery at our new state-of-art LASIK Eye Surgery Clinic located at 2349 Deming Way in Middleton:
Photorefractive keratectomy (PRK)
PRK uses an excimer laser to shave ultra thin layers of tissue from the cornea. During PRK treatment, the surface layer of the cornea (epithelium) is removed by gentle scraping, followed by the excimer laser. A bandage contact lens is placed on the eye to aid healing after the laser treatment is completed.
Laser In Situ Keratomileusis (LASIK)
LASIK combines the use of a special instrument known as a microkeratome to create a “flap” of corneal tissue. The laser is then used, like PRK, to treat your nearsightedness, farsightedness and/or astigmatism under this flap. After the laser treatment is performed, the corneal flap is then replaced and acts like a natural bandage contact lens.
IntraLASIK uses a laser that delivers a near infrared beam of light to create a flap from below the surface of the cornea, replacing the hand-held microkeratome blade with computer-guided laser precision.
Custom LASIK uses a wavefront analyzer to guide the treatment of additional imperfections in the optical system of the eye called higher order optical aberrations. This customized treatment can reduce the risk of glare, halos around lights or ghost images and deliver better results than current conventional treatment.
How do PRK and LASIK differ?
PRK offers patients an excellent option to achieve their desired vision correction, but recovery of vision is delayed until the surface layer of the cornea heals. Your doctor may recommend separating the treatment of each eye by one week. LASIK involves less initial discomfort and allows patients to see better sooner after surgery. Both PRK and LASIK produce about the same final visual result. IntraLASIK allows for construction of a thinner, more precise corneal flap and may produce more precise refractive surgery outcomes.
Answers to common questions
How can I tell whether refractive surgery is right for me?
Our surgeons will discuss the best laser vision correction option customized to your eyes and answer all your questions when you schedule a no-charge screening to determine your candidacy for the procedure. A complete eye exam will be necessary prior to surgery.
For more information about our free seminars or to schedule an eye exam, call (608) 265-2020
How much does refractive surgery cost?
Fees for preoperative and postoperative care charged by your family eye doctor are separate from those fees charged for the procedure by UW Health and may vary. Please consult with your eye doctor prior to your surgery to understand these costs, or call (608) 265-2020 for a current listing of procedure fees.
We accept FSA (flexible spending accounts) funds as well as cash, check, Care Credit or major credit cards. Zero percent financing is available through Care Credit (exclusions apply).
What happens during the procedure?
Patients are awake and comfortable during the laser procedure. You may be given a sedative for relaxation. Your physician will administer anesthetic drops to numb your eye and your eyelids are kept open with a small instrument to prevent blinking. The entire procedure usually takes 10 to 15 minutes to complete. Your surgical visit on the day of your procedure will probably last around two hours.
What happens during recovery?
You will receive eye drops to aid the healing of your eye to start at home on the day of your procedure. You may leave the laser center shortly after your surgery, and you will need a friend or family member available to drive you home. We recommend rest for the remainder of the day. You will wear eye shields or goggles to protect your eyes until you are seen by your doctor the following day. Have a pair of sunglasses handy—your eye may be sensitive to bright sunlight as it heals. You should also refrain from swimming for four weeks and wear protective eyewear when playing active sports.
Are there any side effects?
As with any type of surgery, complications are possible. Fortunately, with refractive surgery, serious or long-term side effects are rare. The most common are:
Light sensitivity (one to two months)
Glare at night, for example, from oncoming headlights (variable length)
Dry eyes requiring use of artificial tears for one to three months
Can I continue to see my own eye doctor?
Our eye surgeons work cooperatively with eye doctors from throughout the area to provide the full range of refractive surgery services. Your family eye doctor normally provides your preoperative care including your initial eye exam. The surgical planning and the surgery are then performed by our surgeons. Following the procedure, your follow-up care may then be provided by your family eye doctor.
Why choose UW Health laser vision correction?
UW Health Eye Clinics are reputable, national leaders in eye care. Our department is currently the second leading recipient of eye research grants from the National Eye Institute/National Institute of Health.
Our refractive surgeons offer a variety of choices for laser vision correction – PRK, custom LASIK, and now IntraLASIK – the first blade-free laser technology that enables our physicians to customize your vision correction to your eyes.
All your pre- and post-op appointments are in the same place as your surgery, making it easy to keep track of your visits.
Our pricing is competitive with the national big-box LASIK centers, plus we offer 0% financing for 18 months. We accept Flexible Spending Account (FSA) funds, cash, check, Care Credit and all major credit cards for payment.
The VISX S4 Excimer Laser has the most up to date features such as active eye tracking and iris registration to provide the safest, most precise means of delivering a custom treatment to your eyes. The VISX S4 Laser System recently received FDA approval for custom treatment of high myopia providing the highest range of treatment available in the US market.
The Intralase Femtosecond Laser is used to perform the critical first step of the LASIK procedure; creating the corneal flap. UW refractive surgeons are among the first in the area to provide this all-laser surgical technique for performing LASIK surgery
We use the latest technology to provide laser vision correction for our patients:
Patients benefit from a dedicated staff who can answer questions, facilitate convenient appointments and monitor progress.
As an academic medical center, UW Health Eye Clinics puts a strong emphasis on education for both patients and practicing eye care professionals. Seminars are held regularly, and patients benefit from a thorough explanation of the procedure from staff and physicians prior to surgery.
Meet our team
Experts who care