Dr. William Boothe - Boothe Eye Center

Dr. William Boothe

What is LASIK?
The eye and vision errors
The cornea is a part of the eye that helps focus light to create an image on the retina. It works in much the same way that the lens of a camera focuses light to create an image on film. The bending and focusing of light is also known as refraction. Usually the shape of the cornea and the eye are not perfect and the image on the retina is out-of-focus (blurred) or distorted. These imperfections in the focusing power of the eye are called refractive errors. There are three primary types of refractive errors: myopia, hyperopia and astigmatism. Persons with myopia, or nearsightedness, have more difficulty seeing distant objects as clearly as near objects. Persons with hyperopia, or farsightedness, have more difficulty seeing near objects as clearly as distant objects. Astigmatism is a distortion of the image on the retina caused by irregularities in the cornea or lens of the eye. Combinations of myopia and astigmatism or hyperopia and astigmatism are common. Glasses or contact lenses are designed to compensate for the eye's imperfections. Surgical procedures aimed at improving the focusing power of the eye are called refractive surgery. In LASIK surgery, precise and controlled removal of corneal tissue by a special laser reshapes the cornea changing its focusing power. Dr. Boothe Laser Center

LASIK is a surgical procedure intended to reduce a person's dependency on glasses or contact lenses. The goal of this Web site is to provide objective information to the public about LASIK surgery. See other sections of this site to learn about what you should know before surgery, what will happen during the surgery, and what you should expect after surgery. There is a glossary of terms and a checklist of issues for you to consider, practices to follow, and questions to ask your doctor before undergoing LASIK surgery.
Boothe Eye Center: Nearsighted, Myopia:
People can typically see things up close, but things far away may appear blurred. People who are nearsighted may find a negative number in the sphere column of their prescription.

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LASEK- Or epi-LASIK, may be a Laser Eye Surgery option for patients with thinner corneal epithelia. A solution is used to raise the epithelium. A "bubble" forms through the center of the microkeratome, making it safe to create a flap. After the laser application, the flap is repositioned on the cornea and held in place by a soft, non-prescription contact lens.
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Farsightedness- Farsightedness is another name for Hyperopia or Hypermetropia. Many Farsighted patients have difficulty seeing things up close, and often have crisp-acute distance vision.
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LASIK- LASIK is an acronym that allows us to quickly say, "laser assisted in situ keratomileusis." This is more simply said as "reshaping the cornea using a laser."



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Farsightedness, Hyperopia:
Farsighted people can usually see things that are far away better than things that are close. A farsighted prescription will have a positive number under the sphere column.

Another type of refractive surgery is thermokeratoplasty in which heat is used to reshape the cornea. The source of the heat can be a laser, but it is a different kind of laser than is used for LASIK and PRK. Other refractive devices include corneal ring segments that are inserted into the stroma and special contact lenses that temporarily reshape the cornea (orthokeratology).

WILL MY IMPROVED VISION BE PERMANENT?
LASIK with LasikPlus Vision Centers is designed to be a permanent correction for your vision. Studies to date show excellent vision stability for more than a decade following treatment. LasikPlus also offers an opportunity to participate in a LasikPlus Lifetime Satisfaction Plan. Because the FDA does not allow guarantees on a medical procedure, we wanted to offer patients some kind of peace of mind. A Lifetime Acuity Plan allows patients to have laser vision correction again, at no cost. Of course this only covers vision degradation related to corneal problems: nearsightedness, farsightedness, and astigmatism. The details and restrictions will be covered by the medical team.(Boothe Laser Center - Dr. William Boothe)

The FDA does not have the authority to:

Regulate a doctor's practice. In other words, FDA does not tell doctors what to do when running their business or what they can or cannot tell their patients.
Set the amount a doctor can charge for LASIK eye surgery.
"Insist" the patient information booklet from the laser manufacturer be provided to the potential patient.
Make recommendations for individual doctors, clinics, or eye centers. FDA does not maintain nor have access to any such list of doctors performing LASIK eye surgery.
Conduct or provide a rating system on any medical device it regulates.
The first refractive laser systems approved by FDA were excimer lasers for use in PRK to treat myopia and later to treat astigmatism. However, doctors began using these lasers for LASIK (not just PRK), and to treat other refractive errors (not just myopia). Over the last several years, LASIK has become the main surgery doctors use to treat myopia in the United States. More recently, some laser manufacturers have gained FDA approval for laser systems for LASIK to treat myopia, hyperopia and astigmatism and for PRK to treat hyperopia and astigmatism.

Lens- The lens of the eye is the body between the iris and the vitreous humor that focuses light rays entering through the pupil to form an image on the retina. You may also want to research presbyopia.
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LADAR

Using laser and radar technology developed by NASA, LADARVision® was the first approved system with active eye tracking, which compensates for involuntary eye movements. Although other laser systems have now developed eye-tracking systems, LADARVision® has the only system utilizing laser radar tracking technology, a system that measures eye movement 4,000 times each second and is capable of following eye movements regardless of how rapid or erratic they may be. Successful laser application does not rely on your ability to hold your eye perfectly still.

Dr. Boothe : WHEN I HAVE LASIK SURGERY, WILL I BE ABLE TO EXPERIENCE THE RESULTS RIGHT AWAY?
Most of our patients say this is an extremely memorable moment in their lives. You will have improved vision immediately after your laser vision correction. The majority of our patients are able to go to work the next day. Your vision will continue to improve as your eyes heal and adjust to their new shape.



Presbyopia:
LASIK surgeons cannot correct this age-related vision problem; it occurs in most individuals starting in the early 40s and progresses with age.
Muscles inside the eye lose flexibility and reading can become difficult.
People may have presbyopia in combination with another vision problem like nearsightedness.
The nearsightedness would be correctable by LASIK surgery, but the presbyopia would not; however, we may be able to find an adjustment to compensate for both.



Dr. Boothe Eye Care: IOL or Intraocular Lens Implant- A lens is implanted in front of, or in place of, the eye's natural lens. IOLs may be a great option for patients with severe vision prescriptions.


Astigmatism:
Astigmatism causes a distortion of vision, where a person may experience an overall blurriness. Information regarding an astigmatism is found in the cylinder column. Many people with myopia or hyperopia have some degree of astigmatism


Pupil- The pupil is the dark opening in the visible eye. It will open when more light is needed to see, and it will get smaller if less light is needed to see.
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Monovision- When one eye is deliberately corrected for distance vision and the other for close vision.





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