Side Effects of Orthokeratology
It is for many years that the practice of orthokeratology, or performing vision correction surgery through corneal reshaping, has been used. However, at present, there are only a few orthokeratology lens designs that have been approved by the US Food and Drugs Administration (FDA) for manufacture and commercial distribution. No new designs are in the corner though studies are still ongoing as to the benefits and side effects of orthokeratology. Doctors with excellent orthokeratologic expertise have been allowed to put forward their own designs customized according to their patients requirements. There are many software packages which are developed and made available to help these doctors design customized orthokeratology contact lenses, especially for those patients with irregularly shaped eyes. In 2002, the first FDA-approved overnight wear corneal reshaping tool was made available to the market. The Corneal Refractive Therapy or CRT is made by Paragon Vision Sciences Inc. Other brands followed suit and secured FDA approval in 2004 and in 2005. Further studies in orthokeratology brought advances towards treating myopia and slowing down myopic progression. Studies outside the US are also being conducted to further validate these orthokeratology benefits. No new designs for orthokeratology contact lenses are in the offing for FDA approval but studies are still continuously being conducted to enhance the new vision correction technology. Doctors use Orthokeratology to correct patients vision by reshaping the cornea. Studies show that epithelial cells on the corneal surface are either compressed or relocated by the orthokeratology implement. Vision correction up to -6.00D is made possible through orthokeratology, but orhtokeratology side effects indeed exist which have been found to result from using orthokeratology implements. These orthokeratology side effects could even cause blindness. Experts attribute these orthokeratology side effects to a patients failure to strictly follow correct usage instructions and precautions, among which hygiene is one of the most common reasons for blindness which is one of the orthokertology side effects. The use of the improper materials during the manufacture of the orthokeratology contact lens is another cause for orthokeratology side effects. Corneal hypoxia or the lack of oxygen in the eyes may happen when wearing non-oxygen permeable contact lenses. Only those orthokeratology contact lenses made of the right materials should be used for vision impairment correction. There are other orthokeratology side effects including vision ghosting, contrast problems and double vision especially during night time. You must consult with your eye care professional before you use any orthokeratology implement. Only in this way can protect your eyes from danger that may come with the improper usage of these implements or worse the substandard materials that are used in non-FDA approved implements passing off as orthokeratology implements. There is no concession to speak of as for protecting and improving your vision. What you need to do is to make sure that you are only using legitimate products that fit your specific requirements. If you do not want to endanger your health by going for cheaper but not necessarily better products in the market, please do keep yourself informed about your options all the time so that you can make the best decisions for your eyesight. If you want to know more about vision knowledge, then feel free to visit http://vision.firmoo.com/vision-surgery Default Author Bio: Firmoo.com is the fastest growing online eyeglasses community selling affordable yet high quality prescription eyeglasses, progressive eye glasses and other eyewear. Firmoos return and refund policy makes your purchase with Firmoo risk-free.