SMILE eye surgery

What SMILE is, in plain language

SMILE stands for small-incision lenticule extraction. It is a laser eye surgery used mainly to treat myopia (nearsightedness) and, in some cases, astigmatism. The goal is to change the shape of the cornea so light focuses better.

In simple terms, a laser creates a small piece of tissue inside the cornea. The surgeon removes that tissue through a very small opening. This changes the cornea's shape.

People often compare SMILE with LASIK and PRK. The procedures are different, and none is "best" for everybody. Your prescription, corneal thickness, eye surface health, job, sports, age, and exam findings all matter. Some people who ask about SMILE are told they may be better suited for another option. Some are told not to have surgery at all.

If you want a broader comparison of procedures, start with our services overview or get help finding consultations through Sightlume's free matching service.

How the procedure works

A typical SMILE visit includes prep, the procedure itself, and a short recovery period in the office. Exact steps vary by surgeon and clinic.

1. Numbing drops are placed in the eye. You are awake, but the eye is numbed.
2. The laser creates a thin lenticule inside the cornea. It also creates a small opening.
3. The surgeon removes the lenticule. This reshapes the cornea.
4. You rest briefly, then go home. You will need someone else to drive.

SMILE does not create the same kind of corneal flap used in LASIK. That is one reason some people ask about it. But that does not mean it is risk-free or automatically better. Every eye surgery has trade-offs.

You may feel pressure during the procedure. Afterward, vision can be blurry, watery, or hazy at first. Some people improve quickly. Others take longer. Results vary from person to person.

Who SMILE may suit — and who may not be a candidate

SMILE is often discussed for adults with a stable glasses or contact lens prescription who are nearsighted. It may also be considered for some people with astigmatism. But candidacy is more complicated than prescription alone.

A surgeon may look at:

• Your refraction and stability over time
• Corneal thickness and shape
• Dry eye symptoms
• Pupil size and night-vision concerns
• General eye health
• Pregnancy or hormonal changes that may affect vision
• Your work and lifestyle, including contact sports or dusty environments

You may not be a candidate if your corneas are not suitable, your prescription falls outside what a surgeon treats with SMILE, your dry eye is significant, or you have certain eye conditions. Some people are better candidates for LASIK, PRK, ICL, or no surgery.

That is why a real exam matters. Reading online can help you ask better questions, but it cannot tell you what is safe for your eyes. See candidacy and exam basics if you want to understand what surgeons usually check.

Typical US cost and what affects the price

SMILE is usually paid for out of pocket. In the US, a typical range is about $2,200 to $3,200 per eye. For both eyes, that is roughly double. These are estimates, not quotes.

The real price depends on:

• Your prescription and eye findings
• The surgeon's experience and the technology used
• What is included, such as follow-up visits or enhancement policies
• Your city or region

Most health insurance plans do not cover SMILE because it is usually considered elective vision correction. Some people use HSA or FSA funds if eligible. Some clinics offer payment plans, but terms vary.

Be careful with ads that push one low number without context. Ask for the full price for both eyes, what follow-up care is included, and what happens if your result is not what you hoped for. Not every situation can be enhanced, and no surgeon can promise a specific vision outcome.

For side-by-side pricing context, see typical vision-correction costs.

Recovery: what people often experience

Recovery after SMILE is often described as fairly quick, but quick does not mean identical for everyone.

Many people notice vision changes within the first day or two. That said, early vision may be blurry, fluctuating, foggy, or less sharp than expected. It can take time for vision to settle. Your surgeon will tell you when you can drive, work, exercise, use screens, wear eye makeup, or return to swimming.

Common short-term experiences can include:

• Scratchiness or irritation
• Light sensitivity
• Tearing or watering
• Blur or haze
• Dryness
• Glare or halos, especially at night

Your surgeon will usually prescribe drops and give detailed aftercare instructions. Follow them closely. Do not rub your eyes unless your surgeon says it is safe.

A practical way to plan recovery:

1. Take the next day seriously. Even if you feel okay, your vision may still be adjusting.
2. Arrange a ride home. Do not count on driving yourself.
3. Keep your schedule light. Avoid stacking work, childcare, and errands if you can.
4. Go to follow-up visits. These are part of safe care.

Some people feel happy quickly. Others need patience. No one can guarantee how fast you will recover or how crisp your final vision will be.

Real risks and side effects to know before you decide

This is the part many ads rush past. SMILE is surgery. It has real risks. A good surgeon should discuss them clearly, not brush them aside.

Possible risks and side effects include:

• Dry eye or worsened dry-eye symptoms
• Glare, halos, starbursts, or trouble at night
• Under-correction or over-correction
• Residual prescription, meaning you may still need glasses sometimes
• Infection or inflammation
• Corneal healing problems
• Visual quality issues, including ghosting or reduced contrast
• Need for additional treatment in some cases
• Rare vision loss or serious complications

Some side effects improve with time. Some may last longer. Some people are pleased with the trade-off. Others are not. That is why the decision should be thoughtful and personal.

If you are comparing procedures, it helps to read about risks in plain language. Our guide on laser eye surgery risks and side effects covers many issues that also matter when people compare corneal laser procedures.

It is always okay to decide that glasses or contacts work well enough for you. Surgery is optional.

Questions to ask at a consultation

Use the consultation to slow things down and get specific. You are not being difficult by asking clear questions.

Bring a short list like this:

• Am I a candidate for SMILE, and why or why not?
• What are the main reasons you might recommend LASIK, PRK, ICL, or no surgery instead?
• What risks matter most for my eyes specifically?
• How likely am I to still need glasses for some tasks?
• What is the full cost for both eyes, and what does it include?
• Who handles aftercare and follow-up visits?
• If my vision is not where I hoped, what options might exist, and what would they cost?
• How long should I expect before driving, working, exercising, and using screens normally?

It can help to compare more than one consultation. You choose who to trust. No surgery happens without an exam first, and no honest surgeon should pressure you to book on the spot.

If you want help finding licensed eye surgeons near you for consultations, get matched here. Sightlume is a free matching service, not a medical provider. We share general educational information only. This page is not medical advice, and only a licensed eye surgeon, after an in-person exam, can tell you whether SMILE or any other procedure is appropriate for you.