Friday, April 19, 2024

What Is Lasik Eye Surgery

Con: Theres A Slight Chance Youll Need Lasik Again

How LASIK Eye Surgery Is Performed

Again, those with a higher prescription prior to surgery are more likely to see a minor decrease in vision quality over time a condition known as myopic regression.

There can be a tendency for it to drift back, but never to the same degree, Hood says. That might require a doctor-patient discussion, he notes, as a second LASIK surgery has increased and different risks.

For more information about LASIK or PRK surgery, call the Kellogg Eye Center at 734-615-5274 or email lasik@umich.edu.

What Should I Expect After Lasik Eye Surgery

Your eyes will be dry, even though they may not feel that way. Your doctor will give you prescription eyedrops to prevent infection and inflammation, as well as drops to keep your eyes moist. You might have a brief, slight burning feeling or blurry vision when you use them. Do not use any eyedrops without asking your doctor about them.

Your eyes will probably heal very quickly. Most patients notice better vision within a few days. Call your doctor if you have any problems or unusual side effects.

Donât swim or use a hot tub for 2 weeks after surgery. You might get a plastic shield to protect your eyes while youâre sleeping for a few days.

Your doctor will tell you when to come back for follow-up visits. The first one will probably be a day or so after the procedure.

Your vision can still change after LASIK. You might have to use reading glasses as you get older. More than 10% of people need a second LASIK procedure some time later to restore the effects. But overall, 90% of patients have vision thatâs between 20/20 and 20/40 after LASIK surgery.

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Is Lasik Eye Surgery Covered By Insurance

Typically LASIK is not covered by health insurance. This is because insurance companies consider it to be a cosmetic procedure, not a necessary medical one.

A note from Cleveland Clinic

Healthy vision is vital for any activity whether it be reading, driving, working, gardening, playing with your kids and more. LASIK surgery is a popular procedure that can improve your eyesight, helping you depend less on glasses and contacts. Almost all patients are satisfied with their results, which is understandable considering 90% end up with vision between 20/20 and 20/40. If youre fed up with wearing glasses or contacts, LASIK might be the best solution for you.

Remember that there are pros and cons to LASIK eye surgery and that you must meet certain criteria to be eligible. Discuss the advantages and disadvantages of LASIK eye surgery with your ophthalmologist and make sure that you have realistic expectations regarding what LASIK can do for you.

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What Makes You A Good Candidate For Lasik

If you have poor eyesight and need glasses or contacts, you are likely a good candidate for LASIK. Below are the characteristics of anyone who can benefit from this procedure.

1. You suffer from nearsightedness

Nearsighted eyes, or eyes that have trouble focusing on distant objects, may benefit from LASIK by reducing the corneas central thickness and flattening its front surface. However, corneas can only be flattened to a certain extent. Thus, LASIK isnt the optimal choice for anyone with severe myopia.

2. You suffer from Farsightedness

LASIK treats farsightedness, characterized by trouble focusing on nearby objects, by corneal reshaping, in which the corneas central region becomes steeper. While it is possible to treat farsightedness, there is a limit to how much improvement LASIK can bring to your vision. After all, steepening can only be done to a certain extent without compromising visual quality. If LASIK cannot treat farsightedness completely, your surgeon may suggest another procedure.

3. You suffer from Astigmatism

When combined with refractive error, whether myopia or presbyopia, astigmatismcharacterized by distorted and fuzzy vision or an irregularly curved or flattened corneamay be corrected by LASIK to a certain extent. LASIK surgery can fix this condition by rounding out the irregular curvature.

Side Effects And Complications Of Laser Eye Surgery

eyes

Possible side effects and complications of laser eye surgery include:

  • Over or under-correction this may be due to over treatment or under treatment. You may need a second enhancement procedure for optimal results.
  • Dry eyes you may need to use lubricating eye drops or have other treatment.
  • Infection this is extremely rare, but treatment with antibiotics may be necessary.
  • Superficial scarring this will require a further procedure to rectify.
  • Excessive thinning of the cornea this may lead to a bulging of the cornea similar to the condition of keratoconus. Vision deteriorates leading to the need for contact lenses or further surgery.
  • Sensitive eyes some people report increased sensitivity to glare, which can make driving dangerous.
  • Blurred vision halos or rings of fuzzy light may result from the treatment. Interestingly, this is no longer thought to be associated with large pupils as it was in the early days of laser vision correction.
  • Regression that is, over time some of the previous refractive error can return. An enhancement procedure may be necessary to keep the patient out of glasses.

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How Does Lasik Eye Surgery Work

The LASIK procedure works by reshaping the cornea of the eye to improve visual acuity and lower peoples dependence on glasses and contacts correcting vision problems. We use an iDesign to map the cornea which is then programmed into the laser. A flap is created with a femtosecond laser. The flap is lifted and then an excimer laser ablates the corneal tissue to reshape the eye.

Q: Will I Need To Wear Reading Glasses After This Surgery

A: As part of the natural aging process you may experience a change in your reading vision due to a weakening in the part of the eye known as the lens. The normally flexible lens loses its elasticity, ultimately resulting in a loss of ability to focus up close. This is known as presbyopia and is unaffected by refractive surgery, i.e., you may need reading glasses because of presbyopia whether or not you have LASIK.

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Will I Have To Limit My Activity

Yes, you should limit your activity following your LASIK procedure until your eye heals. Your ophthalmologist might recommend the following lifestyle changes, including:

  • Dont wear eye makeup for two weeks.
  • Avoid playing non-contact sports for three days and contact sports for four weeks.
  • Wear your eye shield at night for at least four weeks.
  • No swimming, or using a whirlpool or hot tub for at least four weeks.

About Laser Eye Surgery

What is laser eye surgery?

Laser corneal sculpting is a medical procedure that involves the use of laser to reshape the surface of the eye. This is done to improve or correct myopia , hypermetropia and astigmatism . The first laser sculpting procedures were performed over 30 years ago.The cornea is the transparent structure in the front of the eye which we see when we look into an eye. It serves to allow light to enter the eye and is the first of two focusing systems in the eye. The other is the crystalline lens which is located behind it. During laser eye surgery, a computer-controlled excimer laser is used to remove microscopic amounts of tissue from the cornea. The aim is to restore normal eyesight, without the need for glasses or contact lenses.In one of the operations using the excimer laser, the thin outer layer of the cornea is removed and the underlying layers are reshaped. This procedure is known as photorefractive keratectomy .In a more commonly used procedure, a thin flap of corneal tissue is created with another laser known as a femtosecond laser. The most widely used one is known as the IntraLase. This flap is then lifted out of the way. The excimer laser reshapes the underlying tissue and the flap is replaced to cover the newly recontoured surface. Alternatively, an instrument with a very fine blade called a microkeratome can be used to make the flap before the excimer laser reshapes the cornea. This procedure is known as laser-assisted in situ keratomileusis .

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How Safe Is Lasik Eye Surgery

Over the years, technologic improvementsespecially with Bladeless WaveFront technologyhave increased safety. The overwhelming majority of people who opt for surgery experience no long-term complications. Much of the stigma regarding laser eye surgery complications date back to the earliest days of the surgery, when surgeons were less experienced, and laser technology was less advanced.

Immediately after surgery, its common to use antibiotic drops and steroid drops to help your eyes heal. This lasts for about a week. The eyes can be sensitive to light in this time frame, and some people experience dry eyes and night haloes for up to several months after surgery . Despite this, one of the most common things people say afterwards is that they cant believe they waited so long to get laser eye surgery. Its not a bad idea to talk with people who have had LASIK eye surgery to learn first-hand what life during the healing process and life after the healing process are like.

Con: Not Everyone Is Eligible

Those deemed unsuitable often are 40 and older. Thats because they may have presbyopia, where the lens of the eye becomes stiff and hinders close-up vision .

Another similar surgery known as photorefractive keratectomy, or PRK, can be better for people with high prescriptions or very thin corneas, Hood notes, because they lack enough residual cornea to be structurally sound for the flap-making that LASIK involves.

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Is Lasik Surgery Painful

Many patients are surprised with their LASIK surgery that they dont feel any pain. You may get a mild sedative before surgery to help you relax. Before LASIK eye surgery starts, anesthetic drops are used to numb the eye and during laser correction, you may feel a sensation of light pressure. After your procedure, your eye may feel somewhat irritated for a couple of hours and after taking a short nap, most patients are quite comfortable. In the days after your surgery, drops will be prescribed for your eyes to provide comfort and healing.

What Happens Before Lasik Eye Surgery

LASIK Eye Surgery Los Angeles

Before LASIK surgery you and your ophthalmologist will have a conversation about how the procedure works and what to expect. Remember, LASIK will not give you perfect vision. You might still need glasses or contacts for activities like driving and reading. If you decide to have LASIK surgery, your ophthalmologist will do six tests to double check that youre a good candidate. Theyll likely:

  • Check your pupil size.
  • Test to see if your vision has recently changed.
  • Make sure that your eyes are generally healthy.

Youll have to stop wearing contact lenses before you undergo these tests. Doing this will help your ophthalmologist get more accurate measurements of your cornea. How long you need to switch from contact lenses to glasses depends on the type of lenses you use:

  • Hard lenses: Four weeks.
  • Toric soft lenses or rigid gas permeable lenses: Three weeks.

Stop using the following products 24 hours before your surgery:

Finally, be sure to have a family member or friend drive you home after the surgery. You will not be allowed to drive yet.

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Con: The Flaps Can Be Injured

Flaps created during LASIK arent secured, so patients should not rub their eyes while they heal. Any trauma to a flap could dislodge it even years after surgery, Hood says. Visit your eye doctor immediately if such contact occurs.

Because no flaps are created via PRK, those patients dont have that risk. Athletes and active individuals might pursue that option to perform at their best.

Q: Can You Have Lasik On Both Eyes On The Same Day

A: We typically perform LASIK on both eyes of a patient on the same day, although that decision should be made between you and your refractive surgeon. Because improved vision occurs so quickly, and the post-operative effects are minimal, treating both eyes at the same time makes sense to most of our patients.

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Questions To Ask Your Surgeon

  • How long have you been doing LASIK surgery?
  • How much experience do you have with the LASIK procedure?
  • How do you define success? Whats your success rate? What is the chance for me to achieve 20/20? How many of your patients have achieved 20/20 or 20/40 vision? How many patients return for retreatments?
  • What laser will you be using for my surgery? Make sure the surgeon is using a laser approved by the U.S. Food and Drug Administration . Visit www.fda.gov/lasik for more information.
  • Whats involved in after-surgery care?
  • Who will handle my after-surgery care? Who will be responsible?
  • What are the risks and possible complications?

The Eye And Vision Errors

How LASIK eye surgery is carried out

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 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.

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How To Keep Your Eyes Healthy And Protect Your Eyesight

The new implantable lens is a welcome addition to the options people have to correct nearsightedness, said Dr. Shahzad Mian, a professor of ophthalmology at the University of Michigan Medical School and Azeems surgeon.

It can correct severe nearsightedness, up to -20 diopters, while doctors generally avoid doing laser corneal surgery like Lasik or photorefractive keratectomy beyond -8 or -9 diopters, he noted. A version of the implantable lens can also correct astigmatism.

This is really going to help a lot of patients who otherwise would not have qualified for refractive surgery, Mian noted. They are limited in what they can do without their glasses or contact lenses. So it really is a huge change in their quality of life.

What Kind Of Laser Is Used For Lasik

More LASIK physicians in the U.S., and those at The LASIK Vision Institute, choose the VISX laser technology to perform LASIK vision correction than all other lasers combined. LVI provides its patients the latest FDA clinically approved laser and diagnostic technology in the industry.

If you would like more information on LASIK eye surgery, or if you are wondering whether LASIK is right for you, you could take advantage of a no-obligation Free LASIK Consultation where you can have your vision assessed to find out whether you are a candidate for LASIK and receive more information on LASIK eye surgery.

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How Long Is The Recovery

Recovery is fast for most patients. Youll be able to see after the surgery and return to work the next day. To aid in your recovery, make sure to wear your eyeshades at night for 4-5 days, use the drops as recommended by your eye surgeon, dont rub your eyes for a few months after surgery, dont wear makeup or lotions before your LASIK procedure or for a week after, and no swimming or hot tubs for 2 weeks.

Lasik Surgery To Both Eyes

LASIK Procedure: How Does LASIK Work

May 4, 2017

This patient had LASIK performed on both eyes. Having the vision correction procedure the same day on both eyes is very common.

The patient is about 45 years old and had worn contact lenses and glasses his whole life. He is myopic . By the way, his wife had already had surgery with me and was giving this to her husband as a gift.

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Other Forms Of Vision Correction

Traditional methods of correcting myopia, hypermetropia and astigmatism include:

  • Prescription glasses
  • Contact lenses.

There are also alternative surgical procedures that do not require the use of an excimer laser. These include implantation of an intraocular lens and corneal incisions. Intraocular lenses can be phakic ones or like the ones used in patients who have cataracts. Phakic lenses are a little like contact lenses but implanted on the inside of the eye so that they do not have to be removed. The one thats most commonly implanted is the Staar Evo ICL.

How Long Does It Take The Flap To Heal

LASIK recovery is pretty quick. Usually, once you are done with surgery you will start seeing improvements in vision. LASIK flaps usually heal within 2-3 months. It is important that you follow all post-op instructions including the post-op drops. We now offer Small Incision LASIK that does not have a flap.

SMILE eye surgery has no flap and recovery is within a couple of days.

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What To Expect At Your Lasik Consultation

If you are interested in LASIK surgery to correct your vision, the first step on your journey is to schedule a consultation with a qualified LASIK surgeon. Most LASIK institutes offer free consultations to determine if you are a good candidate for the procedure.

A LASIK consultation typically lasts 2 to 3 hours. The procedure provides the surgeon with details about your eye health that determines whether or not you qualify for LASIK vision correction. If you do qualify, the surgeon will use the measurements taken at the consultation to program the laser for your surgery.

In order to prepare for your consultation, gather all available medical history, including your medical history from your general practitioner, any previous eye prescriptions, and any other eye health information you might have.

Heres what you can expect at a LASIK consultation:

  • Medical history review. First, your eye doctor will go over your medical history. There are certain eye and general health conditions that may disqualify you from LASIK.
  • Comprehensive eye exam. The next step is a comprehensive eye exam that will analyze your refractive error, dominant eye, the health of your eyes interior, front, and surface, eyelid health, and tear film.
  • Corneal mapping. A corneal topography will map the shape and thickness of your cornea in extreme detail. If your cornea is thick enough, this data will be used to program the laser for your surgery.
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