Considering LASIK surgery (2023)

LASIK surgery: Is it right for you?

LASIK eye surgery may mean no more corrective lenses. But it's not right for everybody. Learn whether you're a good candidate and what to consider as you weigh your decision.

By Mayo Clinic Staff

If you're tired of wearing eyeglasses or contact lenses, you may wonder whether LASIK surgery is right for you. LASIK is a type of refractive eye surgery.

In general, most people who have laser-assisted in situ keratomileusis (LASIK) eye surgery achieve 20/20 vision or better, which works well for most activities. But most people still eventually need glasses for driving at night or reading as they get older.

LASIK surgery has a good track record. Complications that result in a loss of vision are rare, and most people are satisfied with the results. Certain side effects, particularly dry eyes and temporary visual disturbances (such as glare), are fairly common. But these usually clear up after a few weeks or months, and very few people consider them to be a long-term problem.

Your results depend on your refractive error and other factors. People with mild nearsightedness tend to have the most success with refractive surgery. People with a high degree of nearsightedness or farsightedness along with astigmatism have less-predictable results.

Read on to learn more about what to consider as you decide whether this surgery is right for you.

What does LASIK eye surgery involve?

There are several variations of laser refractive surgery. LASIK is the best known and most commonly performed. Many articles, including this one, will use the term "LASIK" to refer to all types of laser eye surgery.

Typically, images are focused on the retina in the back of the eye. With nearsightedness, farsightedness or astigmatism, they end up being focused either in front of or behind the retina, resulting in blurred vision.

  • Nearsightedness (myopia) is a condition in which you see nearby objects clearly, but distant objects are blurry. When your eyeball is slightly longer than normal or when the cornea curves too sharply, light rays focus in front of the retina and blur distant vision. You can see objects that are close more clearly, but not those that are far away.
  • Farsightedness (hyperopia) is a condition in which you can see far objects clearly, but nearby objects are blurry. When you have a shorter than average eyeball or a cornea that is too flat, light focuses behind the retina instead of on it. This blurs near vision and sometimes distant vision.
  • Astigmatism causes overall blurry vision. When the cornea curves or flattens unevenly, the result is astigmatism, which disrupts focus of near and distant vision.

Traditionally, blurry vision is corrected by bending (refracting) light rays with glasses or contact lenses. But reshaping the cornea (the dome-shaped transparent tissue at the front of your eye) itself also can provide the necessary refraction and vision correction.

(Video) Considering LASIK eye surgery? Here's what you need to know - Online interview

Before a LASIK procedure, your eye surgeon will assess detailed measurements of your eye and assess the overall health of the eye. You may be instructed to take a mild sedative medication just prior to the procedure. After you are lying comfortably on an operating table, eye-numbing drops will be administered. Then he or she will use a special type of cutting laser to precisely alter the curvature of your cornea. With each pulse of the laser beam, a tiny amount of corneal tissue is removed, allowing your eye surgeon to flatten the curve of your cornea or make it steeper.

Most commonly, the surgeon creates a flap in the cornea and then raises it up before reshaping the cornea. There are also variations in which a very thin flap is raised or no flap is used at all or no flap at all, is raised. Each technique has advantages and disadvantages.

Individual eye surgeons may specialize in specific types of laser eye procedures. The differences among them are generally minor, and none are clearly better than any others. Depending on your individual circumstances and preferences, you may consider:

  • Laser-assisted in situ keratomileusis (LASIK). Now the most commonly performed eye laser surgery, LASIK involves creating a partial-thickness corneal flap and using an excimer laser to ablate the bed of the cornea. The flap is then placed back into its original position. Discomfort after surgery is minimal, and vision recovery usually takes place in 1 to 2 days.
  • Photorefractive keratectomy (PRK). With PRK, rather than forming a flap, the top surface (epithelium) is scraped away. This corneal abrasion takes three or four days to heal, resulting in moderate pain and blurred vision in the short term.

  • It was thought that these drawbacks were outweighed by the theoretical advantage that PRK was safer for people who are more likely to be struck in the eye — for example, those involved in contact sports, law enforcement or the military. But even with standard LASIK, the risk of eyeball rupture is still very low, so there is probably no significant advantage with PRK. LASIK is also a better option than PRK for correcting more severe nearsightedness (myopia).

  • Laser-assisted subepithelial keratectomy (LASEK). LASEK is similar to LASIK surgery, but the flap is created by using a special cutting device (microkeratome) and exposing the cornea to ethanol. The procedure allows the surgeon to remove less of the cornea, making it a good option for people who have thin corneas. For people at greater risk of eye injuries, LASEK does not have any significant advantages over LASIK.
  • Epithelial laser-assisted in situ keratomileusis (epi-LASIK). In an epi-LASIK procedure, your surgeon separates the epithelium from the middle part of the cornea (stroma) using a mechanized blunt blade device (epikeratome) and reshapes the cornea with a laser. This procedure is similar to LASEK.
  • Small-incision lenticule extraction (SMILE). This newer type of refractive surgery reshapes the cornea by using a laser to make a lens-shaped bit of tissue (lenticule) below the cornea surface. Once the lenticule has been used to reshape the cornea, it is then removed through a very small incision.
  • Intraocular lenses. Corrective lenses can be surgically inserted in the eye (intraocular lenses) to improve vision. This is routinely done as part of cataract surgery (in which the old, cloudy natural lens is removed). It may also be an alternative to LASIK for older adults who may need cataract surgery in the future.

    Younger people with high degrees of nearsightedness that cannot be satisfactorily treated with corrective lenses also may be offered intraocular lenses. But these are not a routine option for most people.

  • Bioptics. Bioptics combines one or more techniques, such as intraocular lenses and LASIK, to treat nearsightedness or farsightedness.

Are your eyes healthy?

In general, laser eye surgery is most appropriate for people who have a moderate degree of refractive error and no unusual vision problems.

Your eye surgeon will ask detailed questions about your eye health and evaluate your eyes to make sure you don't have any conditions that might result in complications or poor outcomes of surgery. These include:

  • An eye disease that results in a progressive deterioration of your vision and thinning of your cornea, such as keratoconus. In fact, if keratoconus runs in your family, even if you don't have it, be very cautious about elective eye surgery.
  • Inflammation (such as keratitis or uveitis) and infections (such as herpes simplex) affecting the eye.
  • Eye injuries or eyelid disorders.
  • Dry eyes. It is important to know that if you have dry eyes, LASIK surgery may make the condition worse.
  • Large pupils. If your pupils are large, especially in dim light, LASIK may not be appropriate. Surgery may result in debilitating symptoms such as glare, halos, starbursts and ghost images.
  • Glaucoma. The surgical procedure can raise your eye pressure, which can make glaucoma worse.
  • Cataracts.

You might also rethink having LASIK surgery if:

  • You have severe nearsightedness or have been diagnosed with a high refractive error. The possible benefits of LASIK surgery may not justify the risks.
  • You have fairly good (overall) vision. If you see well enough to need contacts or glasses only part of the time, improvement from the surgery may not be worth the risks.
  • You have age-related eye changes that cause you to have less clear vision (presbyopia).
  • You actively participate in contact sports. If you regularly receive blows to the face and eyes, such as during martial arts or boxing, LASIK surgery may not be a good choice for you.

Are you healthy?

Your eye surgeon will also ask detailed questions about your general health. Certain medical conditions, unrelated to your eyes, can increase the risks associated with LASIK surgery or make the outcome less predictable. These include:

(Video) Over 45 and considering LASIK, Lens replacement or Cataract surgery? All you need to know.

  • Any disease or condition that affects your immune system and impairs your ability to heal or makes you more prone to infections, such as rheumatoid arthritis, lupus, HIV and other autoimmune disorders.
  • Taking an immunosuppressive medication for any reason.
  • Uncontrolled diabetes, which may put you at risk of complications, such as diabetic retinopathy.

Is your vision stable?

If you have myopia, your vision may continue to change throughout your teenage years, or even longer, requiring periodic changes in the prescription of your glasses or contact lenses. Therefore, people should be over age 18, and preferably older, before considering LASIK eye surgery.

Certain conditions and medications — pregnancy, breastfeeding, steroid drugs — may cause temporary fluctuations in your vision. Wait until your vision has stabilized before considering LASIK eye surgery.

Can you afford it?

Most insurance plans consider laser eye surgery to be an elective procedure and don't cover the cost. Know what the surgery will cost you.

Do you understand possible side effects and complications?

While complications that result in a loss of vision are rare, certain side effects, particularly dry eyes and temporary visual disturbances, are fairly common. But these usually resolve after a few weeks or months, and very few people consider them to be a long-term problem.

  • Dry eyes. LASIK surgery causes a temporary decrease in tear production. For the first six months or so after your surgery, your eyes may feel unusually dry as they heal. Even after healing, you may experience an increase in dry eye symptoms. Your eye doctor might recommend that you use eye drops during this time. If you experience severe dry eyes, you could opt for another procedure to get special plugs put in your tear ducts to prevent your tears from draining away from the surface of your eyes.
  • Glare, halos and double vision. After surgery you may have difficulty seeing at night. You might notice glare, halos around bright lights or double vision. This generally lasts a few days to a few weeks, but it can also become a chronic problem.
  • Undercorrections. If the laser removes too little tissue from your eye, you won't get the clearer vision results you were hoping for. Undercorrections are more common for people who are nearsighted. You may need another refractive surgery (called an enhancement) within a year to remove more tissue.
  • Overcorrections. It's also possible that the laser will remove too much tissue from your eye. Overcorrections may be more difficult to fix than undercorrections.
  • Astigmatism. Astigmatism can be caused by uneven tissue removal. It may require additional surgery, glasses or contact lenses.
  • Corneal ectasia. Corneal ectasia is one of the more-serious complications and occurs because of progressive myopia due to steepening of curvature of the cornea.
  • Flap problems. Folding back or removing the flap from the front of your eye during surgery can cause complications, including infection and excess tears. The outermost corneal tissue layer (epithelium) may grow abnormally underneath the flap during the healing process.
  • Vision loss or changes. Rarely, you may experience loss of vision due to surgical complications. Some people may also not see as sharply or clearly as previously.

LASIK versus reading glasses

By their early to mid-40s, all adults lose some ability to focus on nearby objects (presbyopia), which results in difficulty reading small print or doing close-up tasks.

One possible benefit of having been nearsighted most of your life is that this condition actually compensates for the presbyopia that inevitability develops as you get older. A nearsighted eye will focus near objects by itself without reading glasses. LASIK surgery removes this near focus because the nearsightedness has been corrected. This means that as you get older you will need to use reading glasses. Many people are happy to trade clear distance vision when they are younger for having to wear "cheaters" for reading when they are older.

If you are an older adult considering LASIK, you might choose to have monovision to maintain your ability to see objects close up. With monovision, one eye is corrected for distant vision, and the other eye is corrected for near vision. Not everyone is able to adjust to or tolerate monovision. It's best to do a trial with contact lenses before having a permanent surgical procedure.

Can you go without your contact lenses for several weeks before surgery?

This is usually not an issue, but know that you'll have to completely stop wearing your contact lenses and switch to glasses for at least a few weeks before your surgery. Contact lenses distort the natural shape of your cornea, which can lead to inaccurate measurements and a less than optimal surgical outcome. Your doctor will provide specific guidelines depending on your situation and how long you've been a contact lens wearer.

What are your expectations for LASIK?

Most people who undergo LASIK surgery will have good to excellent vision in most situations, for many years or decades. You'll be able to play sports and swim, or even just see the clock first thing in the morning, without having to worry about your glasses or contact lenses. But as you get older or in low-light conditions, you may still need to wear glasses.

Most people report high satisfaction after LASIK surgery. But long-term results often aren't available or haven't been well studied. Part of the reason for this is that people are overall satisfied after surgery, so they don't feel a need for repeat examinations and follow-up data is not collected. Also, the LASIK procedure has been refined over time — the techniques and technology is continually changing. This makes it difficult to draw conclusions from the data that is reported.

Keep in mind that even when postoperative follow-up is done and reported, vision is measured under optimal testing conditions. Your vision in dim light (such as at dusk or in fog) may not be as good as published reports suggest it will be.

(Video) Are you considering Lasik surgery?

Over time, your refraction may slowly worsen with age and your vision may not be quite as good as it was immediately after surgery. This does not seem to be a large problem, but the exact degree of change to be expected is sometimes unpredictable.

How do you choose an eye surgeon?

Most people don't have firsthand knowledge about LASIK or an eye surgeon. A good starting point when choosing an eye surgeon is to talk with the eye professional you know and trust. Or ask friends or family members who have had successful LASIK.

Your eye surgeon will probably work with a team, who may help with your initial evaluation and measurements. But it is your surgeon who takes the ultimate responsibility for determining whether LASIK is an appropriate choice for you, who confirms the measurements to guide the procedure, who performs the procedure and who provides postoperative care.

Talk with your eye surgeon about your questions and concerns and how LASIK will benefit you. He or she can help you understand the benefits and limitations of surgery.

The final decision

When it comes to LASIK eye surgery, there are no right answers. Carefully consider the factors outlined here, weigh your preferences and risk tolerance, and make sure you have realistic expectations. Talk to an eye surgeon in whom you feel confident and get your questions answered. In the end, if it feels right, then proceed, but if it doesn't, don't rush into anything.

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(Video) LASIK eye surgery should be taken off market, former FDA adviser says

Aug. 06, 2021

  1. Mannis M, et al. LASIK technique. In: Cornea. 5th ed. Elsevier; 2022. https://www.clinicalkey.com. Accessed May 4, 2021.
  2. AskMayoExpert. Refractive laser surgery. Mayo Clinic; 2019.
  3. Kim TI, et al. Refractive surgery. The Lancet. 2019; doi:10.1016/S0140-6736(18)33209-4.
  4. Bower KS. Laser refractive surgery. https://www.uptodate.com/contents/search. Accessed May 4, 2021.
  5. When is LASIK not for me? U.S. Food and Drug Administration. https://www.fda.gov/medical-devices/lasik/when-lasik-not-me. Accessed April 30, 2021.
  6. Bhatti MT (expert opinion). Mayo Clinic. July 9, 2021.
  7. Ectasia after LASIK. American Academy of Ophthalmology. https://eyewiki.aao.org/Ectasia_After_LASIK. Accessed July 12, 2021.

See more In-depth

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FAQs

How do I know if LASIK will work for me? ›

The best way to determine if you are a candidate for LASIK is to work with a highly qualified surgeon and have a complete evaluation of your eyes and vision. Then both you and your surgeon will have the information needed to make the best recommendation for you.

How do I know if I'm a good candidate for LASIK surgery? ›

Your eyes must be healthy

Infections, disease, and trauma can hinder your ability to heal after having LASIK, making it difficult to get good results or even dangerous for your vision. You may need to clear up certain conditions like chronic dry eye before it is safe to proceed.

Who is not suitable for LASIK surgery? ›

Because vision can change dramatically during the adolescent years, LASIK is not recommended for anyone under the age of 18. Those who are pregnant or nursing. Hormone fluctuations during pregnancy and nursing can cause changes to a woman's vision and corrective prescription.

At what age LASIK surgery is best? ›

Generally speaking, most LASIK eye surgeons agree on 25-40 as the ideal age range for LASIK eye surgery candidacy for a few reasons. By the age of 25, eyeglasses and contact lens prescriptions have most likely stabilized. A stable prescription is one of the hallmarks of a good LASIK candidate.

What happens if you blink during LASIK? ›

However, there is no need to worry if you accidentally blink or move your eyes during the surgery. Thanks to advanced LASIK technologies in Victoria, your eyes will remain comfortably steady as Dr. Boozalis provides the vision correction results you need to see as clearly as possible.

Do people with LASIK still wear glasses? ›

What many don't realize is that LASIK surgery doesn't protect against age-related eye conditions or remove certain refractive errors caused by the thickness of the cornea. For this reason, even individuals who have had successful LASIK surgery may need glasses.

What makes you a poor candidate for LASIK? ›

Some of these conditions include glaucoma, diabetes, and HIV/AIDS. Having any injuries and infections can negatively affect your vision. Also, your doctor will consider if you have dry eyes or not. Dry eye is another condition that makes LASIK less than ideal.

Can LASIK give you better than normal vision? ›

LASIK is a type of refractive eye surgery. In general, most people who have laser-assisted in situ keratomileusis (LASIK) eye surgery achieve 20/20 vision or better, which works well for most activities. But most people still eventually need glasses for driving at night or reading as they get older.

How long does it take to fully recover from LASIK surgery? ›

During the surgery, your cornea has a flap cut into it. That flap needs time to reattach itself before it is safe to resume a normal life. A normal LASIK patient takes around three months to complete this recovery time. Some patients can take upwards of six months to a year to fully recover.

Can LASIK worsen the vision? ›

Although it is rare for a Lasik procedure to result in a complete loss of vision, it can happen and often some side effects may occur. In addition to vision regression, you might experience complications from Lasik, including dry eyes, glare, halos, double vision, astigmatism, infection, or excess tears.

Is 50 too old for LASIK? ›

The good news is that no one is too mature for laser vision correction. You may be able to schedule LASIK after 50 years old. You should know that not everyone is a candidate for LASIK.

How long after LASIK Can I see 20 20? ›

According to the American Refractive Surgery Council, more than 90% of LASIK patients achieve 20/20 vision or better after 2 to 3 months of post-surgery recovery.

Is LASIK worth it over 40? ›

But the answer is generally yes – LASIK is worth it after 40. LASIK is safe and effective for patients older than 40 and produces the long-term value that this refractive surgery is known for.

Is LASIK worth it at 35 years old? ›

The Best Age to Get LASIK

The most popular time to have LASIK is between the ages of 35 and 40. This is when your vision is at its most stable, and, for most people, it's an age when surgery is most likely to be affordable.

At what age is LASIK not worth it? ›

LASIK eye surgery age limits

At around age 40, your eyes start to change, and you may develop presbyopia – farsightedness due to age – which could affect your candidacy for LASIK. Your eyes change again at around age 60, with age-related vision problems such as cataracts possibly presenting at this time.

Does LASIK mess with your night vision? ›

Night Vision Problems as a Side Effect of LASIK

Many patients will notice starbursts, halos, and glare around bright lights, as well as difficulty seeing other objects at night. These issues with contrast and light sensitivity can make driving or otherwise being out at night very dangerous.

Can you sneeze during LASIK? ›

If you sneeze, move or blink during the treatment, the laser tracks your eye over one thousand times per second and adjusts the laser to make certain the laser is applied to exactly the right place. So, there is no reason to worry if you sneeze during LASIK.

How do I calm down before LASIK surgery? ›

4 Tips To Calm Down Before LASIK
  1. Have an Honest Discussion with Your Doctor. The most important step in dealing with anxiety is knowledge. ...
  2. Practice Deep Breathing. Deep breathing is a wonderful stress-relieving technique for all kinds of situations. ...
  3. Listen to Music. ...
  4. Bring a Friend.
10 Mar 2020

Why does LASIK not last forever? ›

It permanently reshapes the tissue in the front of your eye, and these changes last your whole life. However, most people's vision gets worse over time as part of the natural aging process. LASIK can't stop this, so your vision may become blurry again as you get older.

Is it better to wear glasses or get LASIK? ›

Although both LASIK and glasses can improve your vision, glasses will not keep your sight from getting worse. In almost all cases, you will need to get a new lens prescription every few years. Eventually, this could cost a significant amount of money. LASIK certainly has a higher upfront price than glasses.

Do they hold your eyes open during LASIK? ›

A small instrument is placed over your eye that gently works to help keep your eye open, still and steady during the procedure.

How often is LASIK unsuccessful? ›

The LASIK complication rate is only about 0.3%.

What are the chances LASIK fails? ›

All surgeries carry some risk of complications and side effects, but LASIK is generally considered a safe procedure with a low complication rate. In fact, LASIK is one of the safest elective surgical procedures available today, with a complication rate estimated to be less than 1%.

What prescription is too high for LASIK? ›

Typically, eye doctors will set their limits to +6 for farsightedness, -12 for nearsightedness, and 6 diopters for astigmatism. However, not all laser strengths are the same, so there's some wiggle room. Plus, someone with a -12 prescription might be approved for LASIK while someone with a -9 prescription isn't.

Can I drive 2 days after LASIK? ›

How Soon after LASIK Surgery Can I Drive? The length of time each patient must wait to drive after LASIK surgery will vary based on the individual. However, most people are given their doctor's approval to drive as soon as the day after surgery. A post-op exam will be performed the day after surgery.

Can I work 2 days after LASIK? ›

In most cases, patients can return to work within a day or two. If your eyes are still sensitive to the light or are feeling fatigued, wait a few more days to return to work. Although it's safe to shower the day after getting LASIK, be careful to avoid getting soap or shampoo in your eyes.

Can I watch TV 3 days after LASIK? ›

Since your eyes are still healing, they will be especially sensitive in the first 24 hours after the LASIK procedure. Because of this, it's recommended to wait at least 24 hours before watching TV.

Can your eyes get weaker after LASIK? ›

No. All forms of LASIK treatment are permanent solutions, so you will have the same outcome whether you opt for LASIK, SMILE or PRK. All the types of LASIK reshape the surface of your cornea, which should last your lifetime. However, some natural changes in your body might mean blurred vision after a few years.

What can't you do after laser eye surgery? ›

Avoid pools, whirlpools, saunas, and lakes for at least 3 weeks. No eye makeup for at least a week. Toss out partly used products to avoid an infection. Don't get your hair colored or permed for at least 10 days.

Do I need reading glasses after LASIK? ›

Patients typically undergo laser eye surgery to reduce or completely eliminate their need for visual aids such as contact lenses and glasses. The truth is that most patients will eventually require reading glasses at some point in their future.

Is it worth getting LASIK after 60? ›

And people aged 60 and older are at a greater risk for cataracts and glaucoma, which cloud the lens of the eye and damage the optic nerve respectively. But there are plenty of people in their 40's, 50's, 60's and beyond who have relatively healthy eyes and therefore may still be perfectly good candidates for LASIK.

What are the long term effects of LASIK eye surgery? ›

A small portion of people who get LASIK may experience long-term visual symptoms, such as seeing halos or starbursts around lights, particularly at night. Some develop dry eye, which can sometimes become a chronic condition that persists even after their eye has healed and their vision has stabilized.

What percent of people need glasses after LASIK? ›

So, Will I Need Glasses After LASIK or Not? The majority of people who undergo LASIK surgery do not need glasses following their procedure. LASIK corrects the vision by reshaping the cornea with a specialized laser and these changes are permanent in the vast majority (96 to 99%) of our patients.

Can a 45 year old get LASIK eye surgery? ›

The most common range for LASIK patients is between 20 and 45 years old. Vision prescriptions often stabilize in the mid-twenties, so this is a natural time for people to consider LASIK eye surgery.

Is 44 too old for LASIK eye surgery? ›

Being 40 or older doesn't disqualify you from getting LASIK and enjoying the benefits. The best LASIK eye surgery candidates are adults that have had a stable vision prescription for two years.

How long does LASIK last after 40? ›

LASIK can last a lifetime, 20 years, or 10 years. The lasting effects of the procedure depend upon multiple factors, including the age of the patient at the time of the procedure and medical conditions that one may develop as one ages that may affect eyesight.

Does LASIK change your life? ›

LASIK isn't something that temporarily aids your ability to see. It changes how your eye is shaped so you can see on your own. And seeing on your own without needing anything to look through is life-changing.

Can you wear contacts 10 years after LASIK? ›

The bottom line is that YES, you can wear contact lenses after LASIK if you choose to. And there are a few occasions where you might chose to do so. I thought I'd dedicate this post to discussing these occasions. Historically, the average age of a LASIK patient is around 40 years old.

Is 52 too old for LASIK? ›

While the minimum age for LASIK surgery is 18, there is no age limit as long as your eyes are healthy and your vision is stable.

What are the odds of LASIK not working? ›

Surgery to reshape your cornea can correct nearsightedness, farsightedness, or astigmatism with a success rate of better than 90%. Surgery may not be right for you if you have severe dry eye, thin or oddly shaped corneas, or severe vision problems.

What are the odds of LASIK working? ›

LASIK eye surgery has been around for over 25 years and more than 10 million Americans have had the surgery since it was approved by the FDA in 1999. Approximately 96% of the 700,000 patients who elect to have this surgery annually will have their desired vision after the procedure.

Can your eyes be too good for LASIK? ›

As a general rule, with cutting-edge laser technology like the equipment our team uses, LASIK has the ability to treat: Nearsightedness up to -12.00 diopters. Astigmatism up to 6 diopters. Farsightedness up to +6.00 diopters.

How long does LASIK last on average? ›

While the effects of LASIK surgery are permanent, the benefits can decrease over time. For most patients, the results of LASIK will last a lifetime. About 10-12% of patients nationwide will need an enhancement surgery because of anatomical changes to the eye/eyes.

What happens if LASIK fails? ›

Aside from removing too much or too little corneal tissue, surgeons can remove eye tissue unevenly. This mistake can happen if they fail to center the laser properly on the eye. The result can be astigmatism or the general blurring of vision at any distance.

When is LASIK not an option? ›

You have a disease or are on medications that may affect wound healing. Certain conditions, such as autoimmune diseases (e.g., lupus, rheumatoid arthritis), immunodeficiency states (e.g., HIV) and diabetes, and some medications (e.g., retinoic acid and steroids) may prevent proper healing after a refractive procedure.

Can LASIK correct better than glasses? ›

Laser vision correction actually corrects astigmatism, it does not compensate for the refractive error in a similar manner to glasses and contacts. As a result, patients with astigmatism frequently notice better vision with LASIK than with contacts or glasses.

Is LASIK painful? ›

Fortunately, LASIK eye surgery is not painful. Right before your procedure, your surgeon will place numbing eye drops into both of your eyes. While you may still feel a little bit of pressure during the procedure, you should not feel any pain.

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