What is refractive surgery?
refractive surgery is a procedure that can eliminate or reduce the need to wear glasses or contacts. Whether a short -sighted person, far -sighted or has astigmatism, refractive surgery can often correct the problem. Undergoing such a procedure allows many people to live their lives without worrying about buying new glasses or contacts every one to two years. These eye operations are expensive and usually do not cover health insurance.
In the 80's. During this operation, the surgeon made cuts in the outer areas of the cornea. As a result, the central part of the cornea was flattened. RK operations had the ability to remedy mild to medium of myopia. In the same period of time, a procedure called astigmatic keratotomy was also introduced, where peripheral cuts were made on the cornea. Over the course of time, more adranrefractional CED operations have replaced radial keratotomy, but for patients requestAstigmatic keratotomy, which is called surgery of cataract (lasik), is still used. In this particular procedure, the corneal shape is permanently changed using an excimer laser. The laser device or blade device is used to cut the flap on the corneal surface.
The surgeon leaves the curtain at one end of the valve. Furthermore, the surgeon folds the flap to uncover the central part of the cornea called the tree. The computer -controlled laser is then used to evaporate part of the trees. Upon completion, the flap is returned to its original position.
refractive surgery is not a procedure that everyone should receive. People who are pregnant or breastfeeding, those who take me, who often change their vision, those who are children or in their early 20 years, and people whose hormones fluctuate because of diseases such as diabetes may have a higher risk of unsuccessful refractive procedures. Those who trMrs. by autoimmune diseases may also not be good candidates for the procedure, as these health conditions disrupt the body's ability to treat after surgery.
Before approval of the patient for refractive surgery, the doctor should ensure that the patient does not suffer from dry eyes, as refractive surgery can even irritate the condition. People with a thin cornea are not eligible for this procedure, because refractive surgery performed on a person with a thin cornea could cause blindness. The doctor should also test the patient for large pupils. Refractive operations should not be performed in people with large pupils, as this could result in the patient experiencing double vision, glare, star branches and Halos.
People who trade in bleparitis or lid inflammation should also avoid refractive surgery, as the condition often deteriorates after the procedure. Finally, those who have undergone refractive procedures in the past may not be good candidates for further operation. Patients in this category should consult with svby doctors regarding their particular case.