How is LASIK or PRK surgery performed? In PRK surgery, after the removal of the outer layer of the cornea (epithelium), the surface of the cornea is sharpened with an excimer laser device. The only difference between **LASEK** and PRK is that in LASEK, the outer layer of the cornea (epithelium) is loosened with diluted alcohol and the common term LIK is returned to the surface of the eye. How is LASIK or Femto LASIK performed? In the past, in LASIK surgery, a 100 to 200 micron incision was made in the surface of the cornea using a surgical blade, and this thickness of the cornea was turned back on itself in the form of a hinge. They say.. Femto And then the excimer laser device shaves the surface of the cornea... How is the smile surgery (SMILE) performed?... Smile surgery is the newest type of refractive surgery that is currently performed for patients with astigmatism or myopia... In this method, using a special type of femto device called Visumax, incisions are made inside the corneal tissue... Then this tissue is removed from the cornea through a small incision... So in this method, there is no need to use It is not an excimer device... Which surgical method is the best for correcting refractive errors? With the invention of laser methods to correct refractive errors, there is no need for glasses with excellent results.... For many years, LASIK (PRK) and LASIK have been used to correct refractive errors... the long-term results of this method are similar in most patients... but in the short term, the LASIK method is painless and the patient may recover quickly. There are many benefits of LASIK and LASIK surgery at the same time.. Which one is better for correcting refractive errors: glasses, contact lenses or surgery?. Glasses are the oldest and most common method of correcting refractive errors...if a person does not want to use glasses or is unable to use them due to his profession, he can use contact lenses or surgery...to prevent eye infection....some people do not want to use this method because of the cost of lenses and antiseptic solutions. The patient imposes.... How many numbers is it possible to correct vision in refractive surgery?..Corneal refractive errors can be corrected up to about 8 numbers in myopia and up to about 4 numbers in hyperopia and astigmatism.. Of course, eye examination and corneal imaging are very important in making decisions in this field, and in some cases the maximum number of glasses that can be corrected on the cornea and can be activated to a certain extent during pregnancy.. Breastfeeding?.. to People's cornea changes during pregnancy and the possibility of absorbing eye drops that are needed after the operation, these operations should not be performed during this period. It is also better to postpone these operations until after breastfeeding... Is refractive surgery safe? About 30 years ago, refractive surgery started using the excimer machine. The excimer machine sharpens the surface of the cornea with high accuracy based on the number of glasses. In this decade, the increase in the level of knowledge and technological advances in the field of correction of refractive errors has been able to eliminate the need for glasses in people with more than 9% high immunity. I am very satisfied with these operations.. Refractive surgery, including LASIK, LASIK and smile, if performed according to scientific criteria, is very safe and has a very low probability of complications.. Do ophthalmologists consider refractive surgery for themselves? A point that is sometimes mistakenly heard is that ophthalmologists themselves wear glasses and do not perform refractive surgery.. Contrary to this belief, many ophthalmologist colleagues have performed these operations, and in a study conducted in the United States, the number of ophthalmologists who perform these operations was several times higher than the entire population of this country.. What is the recovery period after refractive surgery? In the LASIK or PRK procedure, the patient may have pain and tears in the first few days. Eye drops should be used for about 2 to 3 months...Also, it takes about 1 to 2 months for the patient's vision to fully recover. In LASIK and eye smile surgery, the patient usually experiences some burning and pain on the first day. The patient's vision improves in the first 1-2 weeks.