October 13, 202616 min read

Recovery after SMILE Pro, Femto LASIK and PRK

Know what to expect after SMILE Pro, Femto LASIK or PRK: drops, screens, driving, exercise, follow up and symptoms that need urgent eye care.

Laser vision correction is a short procedure, but your eyes need time to recover afterwards. Many patients notice a substantial improvement early on, while clarity, comfort and night vision continue to improve over the following weeks.

You may find that one eye sees better than the other, your vision changes during the day, or a friend recovered faster than you. These experiences do not automatically mean something is wrong. However, a sudden deterioration, increasing pain or worsening redness should be checked promptly.

This guide explains what you may notice after SMILE Pro, Femto LASIK and PRK, how to care for your eyes, and when to seek help.

Seeing better and finishing recovery are different things

There are three parts to visual recovery:

Everyday vision: seeing well enough for activities such as walking around, using your phone and returning to work.
Quality of vision: seeing fine details comfortably, maintaining steady focus and experiencing fewer halos or glare around lights.
Stability: reaching a point where your prescription and measurements are no longer changing significantly.

These do not necessarily happen together. You may function comfortably before your vision feels completely settled. You may also read the vision chart well while still noticing difficulty with small details or driving at night.

Recovery should be assessed by your progress and examination findings, rather than by a single deadline.

Visual recovery after SMILE Pro

At Sayyad Eye Center, SMILE Pro is performed using the ZEISS VISUMAX 800. A thin piece of tissue called a lenticule is removed through a small incision to reshape the cornea, without creating a LASIK flap.

Many patients notice useful improvement early, but vision can take a few weeks to settle. Some aspects of visual quality may continue improving over subsequent months.

During this period, you may notice:

Slightly blurred small print or distant details.
Vision that is clearer at some times of day than others.
One eye recovering faster than the other.
Glare, halos or starbursts around lights.
More blur when your eyes feel dry or tired.

SMILE Pro and Femto LASIK have different early healing patterns. Some patients take longer to feel that their vision has settled after SMILE, although this does not happen to everyone. Early recovery also depends on the prescription treated, the condition of the eye surface and individual healing.

Studies of earlier SMILE systems do not predict every patient’s experience with the newer VISUMAX 800.

Visual recovery after Femto LASIK

Femto LASIK creates a thin corneal flap, followed by laser reshaping underneath it. The flap is then repositioned.

Early visual improvement is often rapid. Nevertheless, being able to see well soon after surgery does not mean the tear film and cornea have finished adapting.

Dryness, fluctuating focus and light disturbances may continue during the following weeks. Some patients notice further changes over several months.

Protecting the flap is particularly important. Avoid rubbing, pressing on or tightly squeezing your eyes, even when they feel comfortable.

Visual recovery after PRK

PRK treats the cornea beneath its outer surface layer, called the epithelium. This layer is removed as part of the procedure and grows back afterwards.

For this reason, the early recovery is usually slower and less comfortable than after SMILE Pro or Femto LASIK.

During the first few days, you may experience blurred vision, watering, light sensitivity and discomfort. A bandage contact lens protects the healing surface.

Once the surface has closed, vision may still fluctuate while it becomes smoother. Improvement continues over the following weeks, and further settling can occur over several months.

The bandage lens must remain in place until it is removed at your postoperative appointment.

Why does the cornea need time to settle?

The cornea is the clear window at the front of the eye. Small changes in its surface, tear film or treated tissue can affect how sharply it focuses light.

After surgery, several processes may contribute to changing vision:

The tear film may temporarily become less stable.
Mild swelling and changes within the treated tissue need time to settle.
The epithelium can gradually redistribute its thickness over the newly shaped cornea.

This last process is called epithelial remodeling. It can involve the central optical area as well as surrounding regions.

Remodeling is different from an epithelial defect. After uncomplicated SMILE Pro or Femto LASIK, the central surface is generally preserved; it is not normally an open wound waiting to close.

Remodeling also does not explain every case of persistent blur. Dryness, a remaining prescription and other findings may need to be assessed.

What is an epithelial defect or epithelial sloughing?

The epithelium is the thin protective layer covering the cornea.

Occasionally, a small area becomes loose or comes away during surgery, leaving a superficial defect. This is sometimes called an abrasion or epithelial sloughing.

It can occur when the surface cells are less firmly attached than usual, including in a condition called epithelial basement membrane dystrophy. It may affect one eye more than the other, and subtle problems with epithelial adhesion are not always apparent beforehand.

An affected eye may feel more sore, watery or light sensitive, and its vision may take longer to improve. A small uncomplicated defect often closes over several days, although a larger or poorly adherent area can take longer. Vision may remain variable while the surface becomes smooth.

The eye needs follow-up to confirm that healing is progressing. Increasing pain or deteriorating vision should not simply be attributed to the defect.

Why might I have a contact lens after Femto LASIK or SMILE Pro?

A temporary bandage contact lens may occasionally be placed after Femto LASIK or SMILE Pro to protect a superficial epithelial defect and improve comfort during healing.

It acts as a medical dressing. Its presence does not by itself mean that the laser correction has failed.

Bandage lenses are routinely used after PRK, but are only needed in selected situations after the other procedures.

While wearing one:

Continue the prescribed drops.
Do not remove, reposition or replace the lens yourself.
Keep water out of the eye and do not swim.
Attend the appointment arranged to check the surface and remove the lens.
If it falls out, do not reinsert it. Contact the center that day.

What to expect over time

First day

SMILE Pro: Hazy vision, watering or irritation may occur.
Femto LASIK: Early improvement is common, with watering, irritation or haze.
PRK: Blur, watering, light sensitivity and discomfort are expected.

First week

SMILE Pro: Everyday vision often improves, but detail and focus may vary.
Femto LASIK: Everyday vision is often useful early; dryness and fluctuation can remain.
PRK: The surface is healing under a bandage lens. Vision can remain quite variable.

Following weeks

SMILE Pro: Vision can take a few weeks to settle.
Femto LASIK: Focus and comfort usually become more consistent.
PRK: Clarity improves as the surface becomes smoother.

Following months

SMILE Pro: Some patients notice further improvement in visual quality.
Femto LASIK: Prescription and night vision may continue settling.
PRK: Further improvement and prescription stabilization may continue.

These are broad patterns, not promises. An epithelial defect, significant dryness or another finding can change the course of recovery.

The day of surgery

Arrange for someone to take you home. Do not drive yourself.

Rest for the first few hours. You can gently close your eyes, but avoid squeezing them tightly. If tears run down your face, dab your cheek rather than rubbing the eye.

Start your drops according to the instructions provided. Setting reminders on your phone can help.

After PRK, use the prescribed pain relief if needed. Do not add numbing eye drops yourself; repeated unsupervised use can damage the corneal surface and delay healing.

Using your eye drops

Your prescription may include an antibiotic, an anti-inflammatory or steroid drop, and lubricants. The medicines and duration differ between procedures and patients.

Steroid treatment may continue longer after PRK. Do not stop it early, extend the course or change the dose yourself.

To put in drops:

1. Wash your hands.

2. Check the bottle and the eye being treated.

3. Avoid touching the bottle tip to your eye, eyelashes or fingers.

4. Place the prescribed drop into the lower eyelid pocket.

5. Close your eye gently.

6. Leave approximately five minutes between different drops.

Lubricating drops can improve comfort and help stabilize the tear film. Preservative-free preparations may be preferable when drops are needed frequently.

Keep attending follow-up appointments while using steroid drops, even if the eye feels comfortable.

Returning to everyday activities

The following schedule is intended for uncomplicated recovery. An epithelial defect, a bandage lens or another healing issue may require a different timetable.

Walking: Gentle walking is usually comfortable from the following day.

Phone, reading and computer work: Resume in short sessions as comfortable. Take breaks and blink regularly.

Desk work: Allow a few days after SMILE Pro or Femto LASIK. After PRK, plan around a week away, with flexibility if vision remains blurred.

Driving: Resume after the early postoperative assessment, when your vision meets legal requirements and you can see comfortably and safely. Night driving may take longer.

Showering: A careful shower is generally possible the following day. Avoid direct spray, soap and shampoo entering the eyes during the first week.

Light gym exercise: A conservative starting point is after one week. After PRK, the surface should be healed and the bandage lens removed.

Heavy lifting and vigorous exercise: A conservative precaution is to wait four weeks.

Contact or combat sports: Wait at least four weeks and have recovery assessed before returning. Activities involving eye impact need particular care after LASIK.

Swimming: Wait at least four weeks and until the surface has healed. Do not swim with a bandage lens or an unhealed epithelial defect.

Hot tubs and whirlpools: Avoid for eight weeks as a conservative precaution.

Eye makeup: Wait two weeks. Restart with clean products and remove makeup gently.

If protective sleep shields are supplied, use them as instructed to prevent accidental rubbing. Avoid dusty environments and wear appropriate eye protection when working around particles or tools.

Why does my vision change during the day?

The tear film forms part of the eye’s focusing surface. When it becomes uneven, vision can temporarily blur.

Screens, air conditioning, wind and reduced blinking can make this more noticeable. Some patients see better in the morning and find that focus becomes less steady later in the day.

Try regular breaks, complete blinks, comfortable text sizes and keeping direct airflow away from your face. Use your prescribed lubricants.

If blinking or a lubricant briefly improves clarity, dryness may be contributing. That does not prove dryness is the only cause.

Fine details, glare and night vision

You may read the vision chart well but still find that small lettering, distant signs or dimly lit objects are less distinct than expected.

Night driving can also take longer to feel comfortable because headlights and other bright lights stand out against a dark background.

These symptoms often improve as the tear film and cornea settle. Persistent or troublesome symptoms deserve assessment, even if the vision-chart result is good.

Avoid night driving while glare or blur makes it difficult to judge the road safely. Additional laser treatment is not automatically the answer to halos or glare.

What if my vision still feels incomplete after six months?

Six months is a useful review point, not a deadline by which everyone must have identical vision.

Some patients have a small remaining amount of short sight, long sight or astigmatism. Others have dryness or optical symptoms despite little remaining prescription.

Higher starting prescriptions and higher astigmatism can make achieving the intended correction less predictable in some patients. However, needing more time does not by itself mean the final result will be poor.

Assessment may include:

Measuring the remaining prescription and whether glasses improve the symptoms.
Comparing measurements from different visits.
Examining the tear film and corneal surface.
Checking corneal shape and thickness.
Looking for other causes of reduced visual quality.

Corneal tomography or epithelial thickness mapping may be helpful in selected cases.

An enhancement may be considered when a stable remaining prescription meaningfully affects vision and the cornea is suitable for further treatment. It is not an automatic step at six months, and treatment after SMILE is not necessarily another SMILE procedure.

Sometimes lubrication, more healing time or occasional glasses is the better option.

Follow-up and travel

Keep your scheduled postoperative visits even when vision seems good.

Early visits check healing, vision and, where relevant, the LASIK flap or PRK bandage lens. Later appointments assess the prescription, eye surface, symptoms and eye pressure when needed.

If you are travelling from abroad, allow time for the early examinations. After PRK or an epithelial defect, allow for surface checks and bandage-lens removal.

Carry your drops in your hand luggage. Dry aircraft air can make the eyes feel uncomfortable, so keep your lubricants accessible.

If symptoms worsen before departure, have the eye checked rather than assuming that the flight booking means you are ready to travel.

When to seek urgent help

Contact the center promptly for:

A sudden or significant reduction in vision.
Severe pain or pain that is increasing.
Increasing redness or discharge.
Symptoms that worsen after initially improving.
A new white spot on the cornea.
An injury or impact to the eye.
New flashes, a sudden increase in floaters, or a curtain or shadow in your vision.

If you cannot reach the center, seek urgent ophthalmic assessment. Do not drive yourself if your vision is affected.

Frequently asked questions

Why is one eye better than the other?

A difference between the eyes is common during early recovery. The eyes may have had different prescriptions, different amounts of treatment or different surface conditions beforehand.

One eye may also be drier, or have a superficial epithelial defect that temporarily slows its recovery.

A modest difference that is improving can be part of healing. A marked difference, a newly blurred eye or worsening vision needs examination rather than automatic reassurance.

Why did my friend recover faster than I did?

Every person heals at a different pace.

Your friend may have had a different procedure, a lower prescription, a more stable tear film or fewer surface symptoms. You may also notice different things: one person considers their vision recovered when they can return to work, while another is waiting for small details and night vision to feel completely settled.

Your progress should be compared with your own measurements and examination, not someone else’s first few days.

Does slower recovery mean a worse final result?

Not necessarily. Some eyes take longer to become comfortable and achieve steady vision.

However, slower recovery should still be assessed at follow-up. The aim is to distinguish ordinary healing from something that needs treatment.

Why does one eye feel scratchier or more watery?

Dryness or a small epithelial defect can make one eye more uncomfortable.

The examination can identify the cause. Do not assume that increasing pain, redness or worsening vision is simply dryness.

Can the surface layer come away during surgery?

Occasionally, a small area of epithelium can loosen or come away, particularly if the cells are not firmly attached to the underlying layer.

This can delay early comfort and clarity. Treatment may include lubrication, prescribed medication and a temporary bandage lens, with follow-up until the surface heals.

How long does an epithelial defect take to recover?

Small uncomplicated defects often close over several days. Larger defects or areas with weak adhesion can take longer.

Closing the defect and achieving a smooth, stable optical surface are not always simultaneous. Vision may take longer to settle than the initial discomfort.

Why was a contact lens placed after my SMILE Pro or Femto LASIK?

It may have been used as a protective dressing for the eye surface. This is different from wearing a contact lens to correct a remaining prescription.

Leave it in place and attend the planned removal appointment. Do not remove it because the eye feels better.

Can I use my phone or watch television?

Yes, in short sessions as comfortable. Normal screen use does not undo the laser correction, but prolonged viewing can reduce blinking and make dryness more noticeable.

Take breaks and stop for a while if your eyes become uncomfortable.

Can I rub my eyes once they feel normal?

Avoid rubbing during recovery. Feeling normal does not mean that all tissues have finished healing.

If the eyes itch, use the prescribed lubricant rather than rubbing. Persistent itching may need assessment for allergy or another cause.

Can I wear my old glasses or contact lenses?

Your old glasses may no longer match your prescription and may make vision uncomfortable.

Do not put your old contact lenses back into the operated eyes. If temporary correction is needed, it should be measured and arranged appropriately.

Will I definitely achieve 20/20 (6/6) vision?

No procedure can guarantee an exact visual result for every person.

The aim is to reduce dependence on glasses with a safe, appropriate correction. Your starting prescription, corneal condition and other eye findings influence what can reasonably be achieved.

Does occasionally needing glasses mean the treatment failed?

No. Some patients find glasses useful for particular tasks, especially if a small prescription remains.

The need for reading glasses with age is also a separate issue from whether the distance correction was successful.

Should I stop my drops when my vision becomes clear?

No. Continue each medicine for the prescribed duration. Clear vision is not a reason to stop an antibiotic or change a steroid course yourself.

Will an enhancement fix every remaining symptom?

No. An enhancement may help a suitable, stable remaining prescription, but it does not reliably resolve every cause of glare, halos or poor visual quality.

The cause of the symptom needs to be identified first.

Recovery support at Sayyad Eye Center

Bring your current drops and any relevant reports to follow-up appointments. Describe what is bothering you specifically: small print, distance detail, changing focus, night driving or discomfort.

If you are visiting from abroad, arrange your follow-up before travelling and keep a copy of your treatment information.

Recovery is easier to understand when we look at your symptoms alongside your measurements, rather than expecting every eye to follow the same timetable.

Medically reviewed by Dr Fouad El Sayyad

American Board certified ophthalmologist

Fellowship in Cornea, External Eye Disease and Refractive Surgery

Washington University in St Louis, USA