Refractive surgery is type of treatment that applied to ensure that people who cannot see clearly can see clearly without glasses or contact lenses.
Refractive surgery is most commonly used in astigmatism, hyperopia and myopia treatment.
Refractive Surgery: What are Refraction Defects?
The rays coming from the external environment focus on the yellow spot responsible for sharp vision. Refractive error is the name given to the focus of rays at a different point. Refractive errors are examined in 3 different groups. Hyperopia, myopia and astigmatism.
Myopia is a genetic disorder. It can be noticed between the ages of 8 and 12. People with this condition cannot see distant objects. Myopia continues to grow after the 20s. Vision quality deteriorates more and more. The reason for the occurrence of this disorder is that the anterior-posterior diameter of the eye is more than normal or the eye corneal layer is extremely steep.
Patients with hyperopia visual impairment have difficulty seeing nearby objects. Those patients have no problem seeing distant objects. Hypermetropia is seen in those with a flat corneal layer and a small posterior diameter. Hypermetropia is a hereditary disorder.
Astigmatism is a problem of being able to see near and far. It is a genetic disorder. People with astigmatism have difficulty driving at night. People with high astigmatism, on the other hand, experience significant head and eye pain as well as not being able to see clearly.
It is an eye problem experienced with the hardening of the lens layer in people aged 40 and over. The eye lens has an elastic structure during youth. Close and distant subjects are easily focused. After the age of 40, this lens gradually loses its elasticity. As a result, the person begins to be unable to see distant or near objects. This situation is part of the aging process.
What is Refractive Surgery?
Refractive defects ( Astigmatism, Hyperopia and Myopia) can be corrected with refractive surgery. Many different methods can be used in refractive surgery. The most commonly used treatment method is Excimer Laser (LASIK, ILASIK, PRK, IntraLASIK, LASEK and EPILASIK) treatment. CLEAR refractive lens extraction, ASTICMATIC KERATOTOMY and FAKIK IOL implantation are other methods used for this purpose.
Excimer Laser is a treatment method that allows millions of people with vision problems to get rid of glasses or contact lenses. With excimer laser treatment, the cornea layer is reshaped and refractive errors are treated. Each eye structure is different from each other. Therefore, eye disorders are also different from each other. For this reason, a different treatment method is applied to each patient.
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