November 6, 2008
The Newest Methods of Laser Vision Treatment
There are a lot of techniques of sight treatment nowadays but not all of them are truly useful and effective. The most efficient system is laser operations. With assistance of some up to date systems physicians are able to cure such illnesses as nearsightedness, long sight and astigmatism. Such techniques are being developed in Yuma lasik institute. The consequences of such treating courses are commonly constant and do not modify during the whole life.
The history of laser vision correction
The history of laser correction methods began in the early 1960's in different countries simultaneously. Ophthalmologists started to develop some newest systems to discover eyeball more appropriately. The great impact on the developing of sight correction medicine had the method offered by Fedorov. The instruments for such operations are actually microscopic and by means of them surgeon can perform as little incisions as he requires. Recently that has figured out that despite of its efficiency this technique of sight treatment implies the appearing of several unpleasant side effects. The retina goes through definite mechanical operations and the operated person may get some worsening of the vision or in rare cases that can be the complete loss of sight.
Eximer-laser vision correction
Scientists started improving different modern methods utilizing principles of Fedorov's method. In the 1970's the first eximer laser was invented and it had a great impact on medicine in general. It is hard to believe but the newest eximer laser methods can guarantee the safest and the most effective operations. Laser beam is controlled by some definite computer program of reshaping of the cornea. The basic cause of many problems connected to eyes is some curvature of tissues of the eyeball and eyelens. Today we can frequently hear about some other techniques which are more efficient and harmless. They are PRK photorefractive keratectomy and Lasik techniques.
PRK method
The uniqueness of this technique is that it is the initial application of eximer laser in medicine. The importance of this method is to eliminate the unevenness of the cornea by means of evaporating of its substances. This method is called non-contact as neither doctor nor any instruments contact with the face of an eye. Nevertheless PRK system has several drawbacks: some micro erosion can take place during the operation and the operated person feels pain over a period of several days.
Lasik method
This technique is the combination of microsurgical actions and eximer-laser system. The initial tests were performed by the scientists of Pompano Beach lasik center. It assists to save the anatomy of eyelens tissues which gives a chance to avoid the appearing of feeling of pain during the rehabilitation period. The most advantageous is that the upper tissues wouldn't be damaged and there will no pain during the process of the rehabilitation. So other parts of eyeball are now reachable for the laser beam. Another process which demands the highest level of preciseness is to set the extracted sections to their locations. The main advantage is that laser beam has considerably higher preciseness in case it is compared to any other surgical tools. Every year lots of ophthalmologists from all over the world assemble in Katy lasik surgery to define some troubles and offer solutions connected to laser sight correction.