Photorefractive keratectomy (PRK) is another type of refractive surgery and this kind of surgery uses a laser to cure vision problems caused by refractive errors. This means, in refractive error light does not bend properly to focus on retina (myopia, hypermetropia, Astigmatism)
In this stage, we use a laser to change the shape of your cornea and it improves the way light rays are focused on the retina. PRK is used to treat myopia (nearsightedness), hyperopia (farsightedness) and astigmatism.
This condition is commonly seen as 1 in 1000 people and usually starts in adolescence and early adulthood.
The goal of PRK Surgery is to correct your eye error to improve your vision. Further, PRK may also reduce your need
for eyeglasses or contact lenses. In some instances, you may also avoid them completely.
If you have dry eyes or thin corneas and if you choose to have a refractive surgery, PRK may be a good choice for you.However, you are required to meet the following criteria :