Astigmatism is a change in the sphericity of the cornea of the eye, with the result that two foci appear in the eye. It causes a blurry image. To eliminate this inconvenience, doctors recommend wearing astigmatic contact lenses, since they are much more convenient than ordinary glasses. The disease can be completely eliminated only with the help of surgical intervention.
Lens Features
To treat astigmatism in children and adults, astigmatic contact lenses are most often used. What it is? Features of the lenses are in a sphere-cylindrical shape and an increased thickness of the device for improving vision. While ordinary lenses are spherical and very thin.
Another feature is the uneven curvature. Thus, the elimination of irregular curvature of the lens and the accompanying hyperopia or nearsightedness is ensured. Since astigmatism causes an uneven curvature of the lens, the use of lenses helps to eliminate this defect by improving vision and not causing distortion of objects and limiting visual fields, which always worries when wearing glasses.
Recently, colored astigmatic contact lenses are gaining more and more popularity , reviews of which, mostly positive, are 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 is that there is no need to take care of them daily.
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.
A large assortment of colored lenses is also presented at optics stores. Their feature is a change in the color of the iris. By functionality, they do not differ from ordinary transparent ones.
Colored astigmatic contact lenses should be selected by the doctor. This will allow you to get a good result from the first purchase and at the same time feel comfortable when wearing them. When choosing a doctor, the cylinder axis and the base curvature of the lens are taken into account. These indicators will provide comfort when using.
Features of the use of contact lenses
You need to get used to using lenses. For the first time, a little discomfort is possible, which eventually passes. Before putting on the lenses, you need to thoroughly wash your hands so that there are no villi on your fingertips. This will ensure comfortable dressing and taking them off.
It is better to take out the lens with the help of special tweezers. If there is no such device, you need to get it very carefully with your finger.
Note! 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.
Having taken out a lens, it needs to be examined for wrinkles, cracks or other defects.
How to wear 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 it on a finger or tweezers should be brought closer to the eye and lightly touch the sclera of the eye under the cornea. With the right touch, the lens itself will attach itself to the eyeball in an optimal position. Before closing your eyes, you need to look 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 standard donning technology. The difference lies only in functionality, because each variety is aimed at eliminating visual defects, so that a person feels confident and comfortable.