In today’s world, people with poor eyesight often resort to correcting it with the help of laser surgery. And one of the methods of this procedure is LASIK surgery. The LASIK eye surgery is one of the most effective, safe and modern ways to restore vision.
This microsurgical operation is used to treat patients with myopia, hyperopia and astigmatism.
· Myopia is a visual impairment in which light rays are focused in front of the retina and impair distance vision. That is, with this disease, a person sees poorly in the distance but sees well in the near.
· Farsightedness is a condition in which the cornea is too flat and light focuses behind the retina rather than on it. Because of this ailment, a person sees poorly near, but well at a distance.
· Astigmatism is a disorder in which the cornea curves unevenly. Because of this, the eye perceives the resulting image in a distorted and blurred form. That is, the focus is broken. This ailment causes a rather serious inconvenience to a person, because of him he sees poorly both far and near. Also, his eyes get tired very quickly.
The LASIK eye surgery method will help correct each of these disorders and make your life easier and more comfortable. It is suitable for most people who experience vision problems between the ages of 18 and 65.
Before proceeding with the operation, the patient undergoes a thorough examination by an ophthalmologist.
The doctor receives accurate data about the patient and helps to prepare for the procedure in advance. Or informs that the patient cannot do such an operation. Before visiting the doctor, it is necessary to stop using contact lenses two weeks before the visit so that the cornea restores its shape. If this is not done and the cornea does not return to its normal state, then the results of the study will be inaccurate and the correction made according to these data may turn out to be incorrect. You can wear glasses instead of lenses. The doctor will check your medical history and carefully examine your eyes. After passing the examination, the ophthalmologist will make a map of your eyes and, based on these data, an operation will be performed.
But despite the fact that the LASIK technique is a very effective and safe way to restore vision, there are still certain criteria for its use. And below we will consider them.
1. In the presence of certain diseases that can adversely affect the recovery of the eyes after surgery, you need to wait until these diseases pass. Such ailments include severe dry eye syndrome, conjunctivitis, any infection, or any damage to the eyes. If the patient has persistent dryness and the eye does not produce enough tears to keep it moist, surgery may make the condition worse. Your doctor will definitely determine during the examination before the operation whether you have dry eye syndrome and give the necessary recommendations. As a rule, this condition is successfully treated and after the disappearance of the problem, it will be possible to proceed with laser vision correction. Other contraindications for LASIK are cataracts or uncontrolled glaucoma.
2. Age. Some procedures can only be performed after 18 years or even after 21 years. Patients under this age may be admitted to surgery only at the individual discretion of the surgeon. These people usually cannot be candidates for correction due to the variability of their vision. This is due to the continued growth of the eyeball. And in order to achieve the desired results, the patient’s vision must remain unchanged over the past 2 years. Usually, there is no upper limit for the procedure, but if you are over 40, then you may have trouble reading after the operation, as well as increase the risk of some complications.
3. Good health of the patient. There are a number of diseases that are considered contraindications for laser vision correction. For example, rheumatoid arthritis, type 1 diabetes, AIDS, multiple sclerosis, and acute infectious diseases. However, people with HIV can be admitted to LASIK if their immune cell levels are high enough. If your body has problems with healing, then you will have a high risk of an unsatisfactory result of the operation and most likely you will not be allowed to it. There is some disagreement among doctors about which diseases are absolute contraindications to the procedure and which are not. In any case, the most important thing is to consult with a specialist before the operation in order to obtain the necessary information and assistance. Also, the use of certain drugs may be a contraindication. For example, some medications can cause dry eye after surgery, and some may interfere with healing.
4. Pregnancy. The LASIK laser surgery method is not suitable for pregnant women, as well as women who are breastfeeding. The fact is that hormonal changes can lead to certain changes in vision. The procedure should not be until hormones and vision return to normal. And this may take several months. Also, pregnant women often suffer from dry eye syndrome, which is a reason not to have surgery. Plus, some medications that are prescribed after correction can adversely affect the child.
5. Wide pupils. Pupils are designed so that in the dark they dilate so that more light enters the eye and a person can see better. If your pupils dilate more than usual, this can have a negative effect after surgery at night.
6. The cornea needs to be thick enough. LASIK improves the quality of vision by changing the shape of the cornea. And performing the procedure if the cornea is too thin or has an uneven shape can lead to poor vision. However, with the development of modern technologies, there are cases when it is possible to perform an operation in such a situation. But first, you need to consult a doctor so that he would give the right recommendations.
7. You need to understand that there are limits to the use of laser vision correction using the LASIK method.
– Myopia: up to -15.0D. The doctor focuses on the individual characteristics of the eyes of each patient.
– Hyperopia: up to +6D
– Astigmatism: up to +(-)3D
All of the above criteria must be taken into account before performing the operation. In this case, the correction will be successful and you will achieve the desired results. The main thing is a high-quality consultation of a doctor who will be able to identify all unwanted ailments or give positive recommendations for the procedure.
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