A Brief Elucidation Of A Substitute To LASIK, Advanced Surface Laser Ablation
Even if LASIK (LAser in SItu Keratomileusis) operation can be regarded as one of the most accepted form of refractive surgery, there are occurrences when it cannot be done. For these situations, a different kind of laser vision correction treatment is considered. The ASLA (Advanced Surface Laser Ablation) method is used when the LASIK procedure is considered inappropriate for an exact patient, for example, if the cornea is too delicate or if the corneal topography is asymmetrical or if the corneal exterior coat (the epithelium) is unbalanced. ASLA can be used for repairing of myopia or astigmatism, but it is not used for correcting hypermetropia. An eye consultant will be able to conclude which procedure is best suitable for a exact eye situation.
Here’s a detailed account of how the method is done. The ASLA process lasts about 15 minutes for every eye. In the beginning, the cornea is anaesthetized. Then, anaesthetic drops are applied to the eye, and an eyelid holder is put in place to hold the eye from blinking. Additionally, anti-inflammation eye-drops are applied to the cornea in order to lessen the post-surgical reaction and soreness. The corneal epithelium layer is detached after. The front outside coating of the cornea (epithelium) is then gently removed away from the rest of the cornea. This bares the corneal ‘bed’ which is now ready to obtain the energy from the laser beam. The cornea is instantly restructure by the laser. The laser beam, consisting of UV power, vaporizes a determined amount of tissue from the corneal bed, thus giving the cornea the new shape necessary to fix the eye’s optical treatment. Then, the loose epithelium tissue can be placed back over the corneal bed. A soft contact lens is applied afterwards. After this, the eye is fitted with a “band-aid” soft contact lens for added protection while the surface of the eye restores to health. Antibiotic eye-drops are also applied. Anti-swelling eye-drops are recommended.
About 4 days subsequent to operation, the contact lens is detached, and a series of mild anti-soreness eye-drops is commenced. The ASLA procedure is parallel to the PRK (PhotoRefractive Keratectomy) and LASEK (LASer Epithelial Keratomileusis) method, but with some alterations to support the recuperation of the eye. It is possible to have both eyes operated on the same day. For post-operation visual healing, it can take 4 days or more for patients to get effective ability to see. The eyes typically feel grainy and stining for about 2 days after surgical procedure and, in other occurence, they may also feel sting initially subsequent to the surgical procedure. Recovery takes nearly 1-2 months. A soft miasma may be there for a several weeks. For information regarding ASLA and added Laser Vision Correction Treatments, visit the Vision Group clinics or go to http://www.southline.com.au – refractive surgery and cataract surgery specialists.
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