LASEK (Laser Epithelial Keratomileusis) is a type of refractive surgery designed to reshape the cornea and correct vision problems such as myopia, hyperopia, and astigmatism. This type of laser eye surgery provides an alternative to the more well-known LASIK procedure and can be more suitable for some patients, particularly those with thin corneas or specific corneal concerns.

LASEK uses an excimer laser, which reshapes the cornea to adjust the eye’s refractive error and improve vision. Epi Lasek, also known as Epi-LASIK, is a variation of the LASEK procedure. It involves lifting the surface layer of the cornea (epithelium) using a special tool, which is a blunt, crescent-shaped device. This technique differs from traditional LASEK, which uses alcohol to loosen the epithelium. Epi-LASIK may preserve the structure of the outer layer of the cornea and promote faster healing.

What Type of Laser is LASEK?

LASEK uses an excimer laser, which is a type of ultraviolet laser. This laser precisely reshapes the cornea’s surface layer to correct refractive errors such as nearsightedness, farsightedness, and astigmatism. The excimer laser emits cool ultraviolet light, minimizing thermal damage to surrounding tissues and enhancing the safety and effectiveness of the procedure.

What is LASIK (Laser in Situ Keratomileusis)?

LASIK, also known as laser in situ keratomileusis, is another type of laser eye surgery that reshapes the cornea to correct vision problems. In LASIK, a thin flap is created in the corneal surface using a microkeratome or femtosecond laser. The flap is lifted, and the underlying corneal tissue is reshaped using an excimer laser. Once the reshaping is complete, the flap is replaced and naturally adheres to the cornea without the need for stitches.

What is the difference between LASEK and Epi LASEK?

LASEK and Epi-LASIK are both types of laser eye surgery that use an excimer laser to reshape the cornea and correct refractive errors. The key difference lies in how the outer layer of the cornea, known as the epithelium, is handled during the procedure. In LASEK, the surgeon loosens the epithelium using an alcohol solution before gently moving it aside. In contrast, Epi-LASIK involves lifting the epithelium with a special blunt tool without the use of alcohol. This distinction can lead to different healing and recovery times, with Epi-LASIK potentially offering quicker healing and less discomfort. Both procedures are effective alternatives to LASIK, particularly for patients with thin corneas or those who want to minimize the risk of dry eyes.

Is LASIK or LASEK Better?

Determining whether LASIK or LASEK is better depends on individual patient factors, as both are effective types of laser eye surgery for correcting refractive errors such as nearsightedness, farsightedness, and astigmatism. LASIK is known for its quick recovery time and minimal discomfort, making it a popular choice for many patients. However, LASIK may not be suitable for individuals with thin corneas or a higher risk of dry eye.

In such cases, LASEK or Epi-LASIK might be a better option as they involve less disruption to the corneal structure and the outer layer of the eye, potentially resulting in a lower risk of dry eyes and other complications. Both types of procedures offer long-term vision correction benefits. Ultimately, a comprehensive evaluation by an experienced eye surgeon is necessary to determine which procedure is safest and most effective for each patient based on their specific needs and eye health.

Should I Do LASIK or LASEK?

The choice between LASIK and LASEK should be based on a comprehensive evaluation of your eyes by an experienced eye surgeon. They will assess your corneal thickness, refractive error, and other factors to determine which procedure is safest and most effective for you. It is essential to discuss your lifestyle, vision goals, and any concerns with your surgeon to make an informed decision.

How Long Does the Effect of LASEK Last?

The effects of LASEK are long-lasting, as the procedure permanently reshapes the cornea to correct vision issues. However, like other types of laser eye surgeries, LASEK does not prevent age-related changes such as presbyopia (difficulty focusing on close objects). As a result, additional vision correction may be needed as you age.

FAQ

How Risky is LASEK?

LASEK is considered a safe and effective procedure with a low risk of complications when performed by a skilled surgeon. However, as with any surgery, there are potential risks such as infection, corneal haze, or undercorrection/overcorrection of vision. It’s important to consult with your eye surgeon about the specific risks associated with your case.

How Much Cornea is Removed in LASEK?

In LASEK, only a minimal amount of corneal tissue is removed during the reshaping process—typically around 50 microns. This minimal removal helps preserve the structural integrity of the cornea and reduces the risk of complications.

How Bad is LASEK Pain?

LASEK can cause some discomfort or pain during the healing process, especially in the first few days. Patients often experience a gritty or burning sensation in the eyes. However, these symptoms can be managed with prescribed pain medications and lubricating eye drops.

How Many Times Can You Do LASEK?

LASEK is usually a one-time procedure. While enhancements may be possible in the future if needed, the decision to undergo additional surgeries depends on individual circumstances and should be discussed with your eye surgeon.

How Long Does It Take to Recover from LASEK?

Recovery from LASEK typically takes longer than recovery from LASIK, as the healing time for the corneal epithelium may be longer due to the procedure’s focus on the surface layer of the cornea. Initial healing can take 3-5 days, during which a bandage contact lens is placed over the eye to protect it and provide comfort. Full recovery may take several weeks to months, depending on individual healing time and factors such as proper post-operative care. It’s important for patients to follow their eye surgeon’s instructions closely to ensure a smooth and successful recovery process.

Is It Bad to Cry After LASEK?

Tears produced by crying should not harm the healing process after LASEK. However, it’s essential to avoid rubbing the eyes and follow your surgeon’s aftercare instructions, as excessive eye rubbing can disrupt the healing corneal epithelium.

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