What is Epi-LASIK?

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Epi-Lasik is a laser eye surgery procedure that was developed as an improvement to Lasik and Lasek procedures. It is similar in many ways, and treats the same conditions.

One of the biggest differences is in how the epithelial layer is handled between these three methods. This surgery uses a blunt plastic oscillating blade to separate the epithelial layer.

The epithelium, which remains attached by a small hinge at one edge, is laid back to expose the cornea. Lasik and Lasek use sharper, finer blades to lift a flap of epithelium. These can cut the layer too thick.

Also, Lasek uses alcohol to loosen the epithelium, which can damage these cells. While some surgeons choose to use alcohol during the procedure, it is not usually used in this procedure.

The cornea is shaped with an excimer laser as in other laser eye surgery procedures. Then the epithelium is laid back in place, and a temporary lens is used to secure the flap during healing.

Recovery, including final visual improvement, can take from three days to six months. Each person heals differently.

How Does It Work?

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Epi-Lasik works much the same way as Lasik and other laser surgeries. The major difference is in how the surgeon gains access to the corneal tissue. As described above, these differences do affect healing times, outcomes, post-op care and recovery differently.

In general, it works because reshaping the cornea allows light to be refracted more accurately at different focal points, resulting in clearer vision.

Pros and Cons

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less pain than with PRK or Lasek

lower probability of haze

flap more stable than Lasek or Lasik flap

longer healing time than Lasik

cannot drive for 7 to 14 days

may take up to 6 months for vision to stabilize

Epi-Lasik is indicated if you:

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have thin or flat corneas – not enough tissue for a proper Lasik flap

alternative to Lasek

are involved in activities that risk getting hit in the eye – more stable flap

have low level nearsightedness, farsightedness or astigmatism correctible by laser eye surgery

are a qualified candidate for laser eye surgery

stable corrective lens prescription

are at least 18 years of age

corneal shape within treatable range

Epi-Lasik Isn’t Recommended for Everyone

Epi-Lasik is not indicated if you:

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engage in hobbies or professional activities that are rough or pose risk of hitting eyes

have dry eye

have had lens prescription changes within two years

have cataracts

have glaucoma

are pregnant or nursing (lactating

have corneal scarring

are taking steroids or immunosuppressants

have eye disease or abnormalities that will slow healing such as:

diabetic retinopathy

ocular hypertension

autoimmune disorders

Herpes simplex of the eye

hypertension

Associated Risks

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This surgery has risks that are similar to other laser eye surgery procedures. Choosing your eye surgeon carefully can significantly reduce risks.

Your surgeon should be well experienced in the procedure and willing to answer all of your questions satisfactorily.

Though rare, the risks that occur most often include:

over- or under-corrections

halos or starbursts around lights

erosion of the epithelium

dry eye

infection

corneal scarring

eyelid droop

chronic discomfort

inability to tolerate contact lenses

There have been no reports of blindness resulting from laser eye surgery. According to the Eye Surgery Education Council (ESEC) less than 1% of patients experience serious problems when proper screening is done and an experienced surgeon performs the procedure.

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