LASIK vs PRK: Which Suits Your Eyes?
LASIK uses a thin corneal flap and usually recovers faster; PRK treats the surface with no flap, heals more slowly and may suit thinner corneas.
LASIK and PRK both reshape the cornea with an excimer laser to correct short-sight, long-sight and astigmatism. LASIK works under a thin corneal flap and usually recovers within a day or two; PRK treats the surface with no flap, takes longer and is more uncomfortable to heal, but can suit some thinner corneas. A corneal assessment decides which is safer for you.
Finland Eye Center offers both (as Femto-LASIK, PRK-Streamlight and traditional PRK) at its Muscat, Sohar and Salalah clinics, as part of comprehensive eye care that also covers cataract, glaucoma, retina, keratoconus and other cornea conditions.
Last updated: 26 October 2026
How does each procedure work?
LASIK steps
- 1Numbing drops are applied to the eye
- 2A femtosecond laser makes a thin corneal flap
- 3The flap is lifted
- 4An excimer laser reshapes the cornea
- 5The flap is laid back and heals in place
PRK steps
- 1Numbing drops are applied to the eye
- 2The surface layer is removed
- 3An excimer laser reshapes the corneal surface
- 4A bandage contact lens protects the eye
- 5The surface layer grows back over several days
LASIK vs PRK side by side
| Criteria | LASIK | PRK |
|---|---|---|
| Procedure | Corneal flap made, laser applied underneath, flap laid back | Surface layer removed, laser applied to the surface, layer regrows |
| Laser time | A few minutes per eye | A few minutes per eye |
| During the procedure | Numbing drops; pressure rather than pain is typical | Numbing drops; pressure rather than pain is typical |
| After the procedure | Mild irritation for a few hours | Discomfort for several days |
| Visual recovery | Usually within a day or two | Improves over several weeks |
| Corneal thickness | Needs enough thickness for a flap | Can suit some thinner corneas |
| Flap-related risk | Small risk of flap problems | No flap, so no flap complications |
| Other risks | Dry eye, night glare, under- or over-correction | Dry eye, night glare, slower healing, corneal haze |
Which might your surgeon suggest?
LASIK is often suggested when...
- ✓Your corneas are healthy and thick enough for a flap
- ✓A quick return to work matters to you
- ✓You do not do contact sports with a risk of eye injury
PRK is often suggested when...
- ✓Your corneas are on the thin side
- ✓Your job or sport carries a risk of a blow to the eye
- ✓The corneal surface has minor irregularities
Some people are suitable for neither. If keratoconus or a very high prescription is found, keratoconus treatment or an ICL lens may be discussed instead.
Who is a good candidate?
- ✓Usually 18 or older
- ✓Prescription stable for about a year
- ✓Healthy corneas with no active eye disease
- ✓Not pregnant or breastfeeding
- ✓No autoimmune condition that affects healing
- ✓Realistic expectations about results
Risks and recovery
Both are established procedures, but no surgery is risk-free and results vary. Your surgeon explains your own risk.
- •Dry eyes, usually temporary
- •Glare or halos at night
- •Under- or over-correction needing glasses or retreatment
- •LASIK: flap complications; PRK: slower healing and corneal haze
- •Rarely, infection or corneal weakening (ectasia)
LASIK vs PRK: frequently asked questions
What is the main difference between LASIK and PRK?
Both use an excimer laser to reshape the cornea. In LASIK a thin flap is made in the cornea, lifted, and laid back after the laser treatment. In PRK there is no flap: the thin surface layer (epithelium) is removed, the laser is applied to the surface, and the epithelium grows back over several days.
Which is better, LASIK or PRK?
Neither is better for everyone. LASIK usually gives faster, more comfortable recovery. PRK may be preferred for thinner corneas, some irregular corneal surfaces, or contact sports where a flap could be dislodged. Your surgeon recommends one after measuring your corneas.
How long is PRK recovery compared to LASIK?
After LASIK, many people see well within a day or two. After PRK, the surface takes several days to heal, with discomfort during that time, and vision keeps improving over several weeks. Time off work is usually longer after PRK.
Are the long-term results similar?
For suitable patients, long-term vision after PRK and LASIK is generally similar once healing is complete. The main differences are in recovery and in the risks linked to having a flap or not. Individual results vary.
Can I have PRK if I am not a candidate for LASIK?
Sometimes. People whose corneas are too thin for a flap may still be suitable for PRK. Keratoconus, very high prescriptions or active eye disease can rule out both, and then options such as ICL or keratoconus treatment are discussed instead.
Let us help you choose
A suitability assessment measures your corneas and checks the whole eye before any recommendation.