How to recognize and treat mixed astigmatism of both eyes

If there is such a disease as astigmatism, then a person because of him does not see everything clearly. Before them the image is blurred. And this is due to the fact that the refractive power of the visual organ is disturbed. If we talk about the mixed form of the pathological process, then in one eye can be combined violations of the type of hyperopia and myopia. Thus, a person sees the world around him vaguely and blurry.

Definition of disease

Astigmatism implies the incorrect refraction of light rays.Because of this, one point is formed on the retina, not several, as it should be.Refraction of rays occurs along two main meridians - vertical and horizontal. If it is a mixed form of pathology, then two focuses are formed.One is concentrated in front of the retina, and the other is behind it.

When a person with a mixed form of astigmatism begins to view objects from different angles, one part will be more blurred than the other.

Causes

Astigmatism of mixed form is congenital and acquired. If this is an innate form, then the transmission of the pathological process is carried out by inheritance.But the acquired form suggests that a mixed form of astigmatism was obtained by the patient as a result of eye surgery, trauma or inflammation.Because of these factors, the scars form on the cornea, contributing to the development of acquired astigmatism.

Mixed astigmatism of the congenital form is very often diagnosed.

Symptoms

To recognize the pathological process under consideration is possible by the following symptoms:

1. Fatigue.At the end of the working day, there is a strong muscular fatigue in the organs of vision;
2. Distortion. Looking from what angle to examine objects, there is an incorrect refraction of the rays. Because of this, objects can take wrong contours.
3. Redness, burning and heavy discharge of tear fluid.These symptoms are not systematic, but arise as a result of a heavy load, that is, at a certain time.
4. Unclear picture and a feeling of doubling.This symptom eventually becomes permanent.

Each of the above symptoms separately may indicate the presence of a completely different disease. So at the first appearance you need the help of a specialist.

Possible complications

A mixed form of astigmatism should be treated immediately after the finding of the above symptomatology.Due to fuzzy visual perception, a person can not carefully consider an object, resulting in strabismus and blindness.In addition, strabismus leads to disruption of appearance, resulting in ridicule among people, which affects the mental state of a person.

Treatment with glasses and lenses

In the treatment of mixed astigmatism, special glasses or contact lenses can be prescribed. Glass for this is selected spherocylindrical or cylindrical.But most often these are optical devices with toric lenses. This glass, which combines two at once - cylindrical and spherocylindrical.With the help of such lenses, it is possible to achieve refraction of light towards both meridians, where the refractive power is characteristic for each direction. Lenses can have a minus and a pole, so the glasses come with convex and concave glasses.

Example of prescription for glasses with astigmatism

With the help of glasses, you can only correct and maintain your vision. But completely cure the disease with their help does not work.

Surgery

To permanently cure mixed astigmatism, the patient is prescribed an operation. For this, the following methods can be used:

1. Astigmatic keratomy.Since in the process of treatment it is necessary to change the shape of the cornea of ​​the visual organ, but during the operation, microscopic incisions are applied to it. Thanks to them, it is possible to achieve curvature changes in the necessary meridians. But this method has its own shortcomings, among which low level of predictability, and a long and painful rehabilitation.
2. Laser therapy.The essence of this operation is that there is a change in the optical power of the visual organ in the necessary meridians. In the necessary areas of the cornea, tissue is excised from the outer layer of the cornea. As a result, it acquires a convex shape. In other areas of the cornea, its surface is more flat. To do this, the elements from its central part are deleted.

Prevention

To prevent the development of a pathological process, you must follow the following recommendations:

• fully nourished;
• replenish the body with such vitamins and microelements as A, C, Mn, Zn, Cu, Cr;
• comply with the lighting regime;
• to observe the regime of physical and visual loads;
• perform gymnastics for the eyes.

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conclusions

A mixed form of astigmatism is a disease that has become widespread in ophthalmology both among children and adults. It can be treated only in an operative way, since conservative treatment will only get rid of the symptoms for a while. But if you do not treat the disease at all, it is fraught with a complete loss of vision.

Also read about what anisocoria and heterochromia are.