Astigmatism is a change in the sphericity of the cornea of the eye, resulting in two foci appearing in the eye. It causes a blurry image. To eliminate this inconvenience, doctors recommend wearing astigmatic contact lenses, as they are much more comfortable than regular glasses. The disease can be completely eliminated only with the help of surgical intervention.
Lens features
For the treatment of astigmatism in children and adults, astigmatism contact lenses are most commonly used. What it is? Features of the lenses are in the spherical-cylindrical shape and the increased thickness of the device to improve vision. Whereas conventional lenses are spherical and very thin.
Another feature of them is uneven curvature. Thus, the elimination of incorrectcurvature of the lens and associated hyperopia or myopia. Since astigmatism is an uneven curvature of the lens, the use of lenses allows you to eliminate this defect, improving vision and without causing distortion of objects and limiting the field of view, which is always a concern when wearing glasses.
Recently, colored astigmatic contact lenses have become increasingly popular, reviews of which are mostly positive, often found on many forums and sites. By choosing the right lenses, you can ensure complete comfort when using these devices to improve vision.
Varieties
The rapid development of eye diseases contributes to the rapid development of optics and the creation of new types of lenses. One-day astigmatic contact lenses are very popular. Their advantage lies in the fact that they do not need daily care.
Leading manufacturers provide a large selection of disposable lenses, which are sold from 10 to 180 pieces in one package. Depending on the needs and possibilities, you can choose the optimal amount by buying a small box or a large package.
Optical stores also offer a wide range of colored lenses. Their feature is to change the color of the iris of the eye. In terms of functionality, they do not differ from ordinary transparent ones.
Colored astigmatic contact lenses should be selected by a doctor. This will allow you to get from the first purchasegood result and at the same time feel comfortable when wearing them. When choosing, the doctor takes into account the axis of the cylinder and the base curvature of the lens. It is these indicators that will provide comfort when using.
Features of using contact lenses
It takes some getting used to using lenses. At first, there may be some slight discomfort, which eventually disappears. Before putting on lenses, wash your hands thoroughly so that there are no lint on your fingertips. This will ensure that they are easy to put on and take off.
It is better to take out the lens with the help of special tweezers. If there is no such device, you need to very carefully get it with your finger.
Pay attention! If you have long nails, you can damage the lens with just one careless movement. Therefore, you need to be very careful and careful when using.
After taking out the lens, it must be examined for wrinkles, cracks or other defects.
How to put on astigmatic contact lenses?
To quickly and correctly put on the lens, you need to pull the lower eyelid and fix it with your finger in this position. Then, on a finger or tweezers, you need to bring it closer to the eye and lightly touch the sclera of the eye under the cornea. With the right touch, the lens itself will be fixed on the eyeball in the optimal position. Before closing your eyes, you need to look to the right and left and blink a little. This will allow the lens to be in the correct position to prevent discomfort.
Astigmatic contact lenses do not differ in the technology of putting on from ordinary ones. The difference lies only in functionality, because each variety is aimed at eliminating visual defects so that a person feels confident and comfortable.