Does astigmatism prevent eye laser? The question that many clients ask is whether it is possible to have LASIK surgery with astigmatism? First of all, it is better to talk a little about astigmatism. Astigmatism, misalignment or astigmatism refers to the irregularity of the cornea or lens of the eye, so that the eyeball takes on an oval shape and becomes like an American football, unlike the normal state, which should be completely round and symmetrical. In astigmatism, the light that enters the eyeball from different directions from the cornea does not intersect in one place, and as a result, a clear image is not formed. Astigmatism is a common disorder and many people suffer from astigmatism. In astigmatism with high numbers, people have blurred vision in both near and far vision. The cause of astigmatism is not completely clear, in most cases it is congenital and sometimes it can be acquired through eye injuries and trauma to the eye. Symptoms of astigmatism: Symptoms of astigmatism include: - Headache - Blurred vision - Reduced visibility at night - double vision Of course, the presence of these symptoms is definitely not in favor of the presence of astigmatism, but in this situation, it is better to do a more comprehensive examination by visiting an ophthalmologist. But about the surgery to remove astigmatism with the LASIK method, it is better to first read a little about this surgical method. **Read more:** **Can LASIK be performed with lazy eye?** ### Lasak or PRK operation PRK or LASIK or photorefractive keratectomy is the oldest and of course the safest laser surgery to remove refractive errors of the eye. Myopia, farsightedness and astigmatism can be treated with the help of the ultra-precise laser of this surgery. A high percentage of people who have undergone LASIK surgery are completely satisfied and get a very good vision after the operation. Up to 6 points of astigmatism can be corrected with excimer laser device in LASIK or LASIK operation. In LASIK surgery for people with astigmatism, the surgeon cuts the surface of the cornea with a laser in such a way that the path of light entering the eye through the cornea is modified and a clear image is formed on the retina. As a result, clear and complete vision is obtained. The duration of the surgical procedure for both eyes is about 10 minutes. During the surgery, you will not feel any pain with the use of anesthetic drops, and after that you will regain your full and clear vision. After surgery, a dressing lens is placed on the eyes, which is colorless and transparent, and after 5-7 days when this lens remains on your eye, it is removed by the surgeon. Regular check-ups and taking medications are of great value and help you to get a complete and clear view. ### Who are not candidates for LASIK surgery? So far, we have found out that it is possible to have LASIK surgery in people with astigmatism, but now it is better to address the issue in which cases LASIK surgery is not possible in these people: - In people whose eye score is constantly changing - Myopia or hyperopia with high scores - Excessive thinness of the cornea - The presence of a wound or scar on the cornea - Corneal hump - Severe dry eyes - Uncontrolled diabetes - Has a history of serious eye infection - Advanced glaucoma - During pregnancy Another important point is that in astigmatisms above 3-4 points, if possible, femtolytic surgery has better long-term results. It is obvious that in the end, a complete examination should be done by an ophthalmologist and after a complete examination of the eye in terms of astigmatism number, corneal thickness, healthy cornea and eyeball, and the absence of eye diseases, a decision should be made about surgery. **Read more: 14 necessary actions before LASAK or PRK operation**