Although LASIK (LAser in SItu Keratomileusis) surgery can be regarded as one of the most accepted form of refractive surgical treatmnet, there are cases when it cannot be done. For these condtions, an alternative kind of laser vision correction remedy is considered. The ASLA (Advanced Surface Laser Ablation) system is used when the LASIK practice is belived to be inapt for an actual patient, for example, if the cornea is overly thin or if the corneal topography is unbalance or if the corneal exterior coating (the epithelium) is unbalanced. ASLA can be used for correction of myopia or astigmatism, but it is not used for correcting hypermetropia. An eye specialist will be able to determine which process is best suitable for a specific eye state.
Here’s a detailed account of how the procedure is done. The ASLA method takes about 15 minutes for each eye. In the beginning, the cornea is anaesthetized. Second, anaesthetic drops are applied to the eye, and an eyelid holder is put in place to hold the eye from blinking. Moreover, anti-inflammation eye-drops are put on to the cornea in order to decrease the post-surgical outcome and soreness. The corneal epithelium coating is detached afterwards. The front surface cover of the cornea (epithelium) is then tendrly removed away from the rest of the cornea. This bares the corneal ‘bed’ which is now all set to get the energy from the laser beam. The cornea is right away re-shaped by the laser. The laser beam, consisting of UV power, vaporizes a programmed total of tissue from the corneal bed, hemce giving the cornea the new shape needed to correct the eye’s optical prescription. Then, the ample epithelium tissue can be placed back over the corneal bed. A soft contact lens is attached afterwards. Next, the eye is fitted with a “band-aid” soft contact lens for added armor while the outside of the eye heals. Antibiotic eye-drops are also applied. Anti-soreness eye-drops are prescribed.
About 4 days subsequent to operation, the contact lens is disengage, and a course of gentle anti-swelling eye-drops is started. The ASLA system is comparable to the PRK (PhotoRefractive Keratectomy) and LASEK (LASer Epithelial Keratomileusis) method, but with certain modifications to assist the upturn of the eye. It is probable to have both eyes operated on the same date. For after surgery visual mending, it can take 4 days or more for patients to achieve effective vision. The eyes usually feel gritty and sore for roughly 2 days after surgery and, in several instance, they may also experience sting initially subsequent to the surgical procedure. Stabilization takes about 1-2 months. A soft haze may be present for a few weeks. For information on ASLA and further 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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