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Bagan Strinden Vision

The Process of Laser Vision Correction Explained

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Over the past 25 years, we have successfully performed thousands of laser eye surgeries, also known as refractive surgeries. Rest assured, you can relax knowing we have a 100% success rate for this treatment. With advancements in technology and surgical techniques, the overall Laser Vision Correction process has become painless and offers a rapid recovery.

Laser eye surgery can correct common vision problems such as nearsightedness (myopia), farsightedness (hyperopia), and astigmatism. As these issues get cured, you can enjoy a balanced lifestyle and get rid of those annoying eyeglasses.

Laser treatment has three types: LASIK (Laser-Assisted In Situ Keratomileusis) and PRK (Photorefractive Keratectomy), but the overall surgery process can differ. Book a Free Consultation to know which treatment would be best for you.

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What Conditions Does LASIK Treat?

LASIK surgery is primarily used to treat the following shared vision problems:

Myopia (Nearsightedness)

A patient with myopia can see nearby objects but has difficulty seeing distant objects. This is because light rays focus in front of the retina instead of directly on it. The primary reason is that the eyeball is too long or the cornea is too steep.

Laser Surgery can reshape the cornea to correct this issue and improve distance vision. After the treatment, many patients experience significantly improved vision, often achieving 20/20 without needing glasses or contact lenses.

Astigmatism

This occurs when the cornea or lens of the eye has an irregular shape, leading to distorted or blurred vision at various distances. Instead of being perfectly round like a basketball, the cornea or lens may be shaped more like a football. This causes light rays to focus on multiple points rather than one on the retina.

Refractive Laser Surgery procedure reshapes the cornea to create a more symmetrical curvature. Our eye surgeon uses a laser to remove corneal tissue precisely in specific areas.

Hyperopia (Farsightedness)

Unlike Nearsightedness, Hyperopia patients can see distant objects, and close objects seem blurry. This occurs when light entering the eye focuses behind the retina instead of directly on it. It can result from the eyeball being too short or the cornea having too slight curvature.

Vision Correction Surgery treats farsightedness by reshaping the cornea to change how light is focused onto the retina. Laser Eye Surgery helps redirect light rays onto the retina by increasing the cornea’s curvature.

Our Laser Eye Surgery Process

If you wear contact lenses, you may need to stop wearing them for a specified period before surgery to ensure accurate measurements. On the day of the surgery, you may be given medication to help you relax.

Pre-Surgery Evaluation

In this step, we conduct a thorough exam to assess the overall vision and eye health. We measure the cornea’s thickness curvature and take pupil dilation. This allows us to understand the ideal approach to improve your eye health.

Moreover, this evaluation also includes a detailed consultation to discover your medical history, including any medications you’re taking, allergies, and previous eye surgeries, is reviewed. Furthermore, we will discuss the benefits and risks and give you some critical post-surgery care-taking tips.

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LASIK Eye Surgery (Laser-Assisted In Situ Keratomileusis)

Before the LASIK procedure begins, the patient’s eyes are numbed using anesthetic eye drops. These drops contain local anesthetics such as tetracaine, proparacaine, or lidocaine. The drops temporarily block nerve signals in the eye to ensure the patient feels no pain or discomfort during the surgery.

After the patient’s eyes are numb, we use an eyelid speculum to prevent blinking and keep the eye steady during the procedure. The speculum is designed to be gentle and comfortable for the patient.
The surgeon then creates a thin flap in the cornea’s outer layer. This flap can be made using either a microkeratome or a femtosecond laser. Then, we gently lift the flap to expose the underlying corneal tissue.

After that, we use an excimer laser beam to reshape the curvature cornea. This laser emits a cool ultraviolet beam, which precisely removes microscopic amounts of corneal tissue to alter its shape. By reshaping the cornea, the laser corrects vision imperfections such as nearsightedness, farsightedness, and astigmatism.

After the corneal reshaping, the flap is carefully repositioned back into its original position. Once the flap is in place, it acts as a natural bandage and protects the treated area, aiding in healing.

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Photorefractive Keratectomy (PRK) Laser Vision Correction

Unlike LASIK, PRK does not involve creating a corneal flap. Instead, the outer layer of the cornea, known as the epithelium, is gently removed to expose the underlying corneal tissue. This removal can be done using an alcohol solution, a specialized brush, or a blunt surgical instrument. Once the epithelium is removed, the underlying corneal tissue is exposed and ready for reshaping.

Following the corneal reshaping with the excimer laser, the eye is left without the protective outer layer of the epithelium. After three to five days, the epithelial cells naturally regenerate and grow to cover the treated area. During this time, the eye may be more sensitive, and patients are often prescribed lubricating eye drops and wear glasses to promote healing and reduce discomfort.

Possible Side Effects of Refractive Surgery

Laser Eye surgery is generally safe and effective, but it carries some side effects, which are explained below:

Haze

Haze is primarily attributed to the healing process of the cornea after PRK surgery. During PRK, the outer layer of the cornea (epithelium) is removed to expose the underlying corneal tissue, which is then reshaped using an excimer laser. As the cornea heals, new epithelial cells regenerate and migrate to cover the treated area.

Glare and Halos

These phenomena manifest as perceived rings, rays, or circles of light around bright objects, particularly at night or in low-light conditions. Glare refers to excessive brightness or discomfort caused by light sources, while halos are concentric circles or rings of light surrounding light sources.

Refractive surgery changes the cornea’s shape, changing how light is focused onto the retina. This condition is often more noticeable in low-light conditions. Avoid driving or performing activities in dimly lit environments until your vision stabilizes and your eyes adapt to changes in light sensitivity.

Dry Eye

This is one of the most common but easily treatable side effects of laser vision correction surgery. It occurs when the eyes do not produce enough tears to keep the eye’s surface adequately lubricated, leading to discomfort, irritation, redness, and a gritty or sandy sensation in the eyes.

Patients treated with LASIK Eye Surgery are most likely to feel dryness, and this is because of the corneal flap. It can temporarily disrupt the tear film, the thin layer of tears that coats the eye’s surface. We always prescribe the patients Lubricating eye drops; they must use this every 2 hours and for ten weeks after the LASIK surgery.

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Frequently Asked Questions

Patients typically awake and alert during laser eye surgery, such as LASIK or PRK. Anesthetic eye drops numb the eyes, ensuring comfort during the procedure. However, some patients may experience mild discomfort or pressure.

Laser vision correction improves long-term vision but does not guarantee permanent results. While many patients experience lasting vision correction, factors such as age-related changes in the eye or the progression of underlying eye conditions may affect the longevity of the results.

Patients with unstable vision, certain eye conditions (e.g., severe dry eye, keratoconus), pregnancy or nursing status, or underlying health conditions (e.g., autoimmune diseases) may not be suitable candidates for laser eye surgery.

Schedule a consultation with Bagan Strinden. Discuss your medical history, lifestyle, and vision goals. Undergo a comprehensive eye examination to assess candidacy. Consider potential risks, benefits, and alternatives.

Conclusion

Our Laser vision correction, including LASIK and PRK, offers a safe, effective, and life-changing solution for common vision problems. With over 25 years of successful surgeries and a 100% success rate, Bagan Strinden possesses advanced technology and skilled surgeons to ensure a painless procedure and rapid recovery.

Say goodbye to glasses and contacts and embrace a more transparent, vibrant life with laser eye treatment. Schedule your free consultation today and take the first step towards a sharper vision and a brighter future.

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