Astigmatism - is one form of the defect, which may be associated with both hyperopia and myopia.
Literally translated as the disease is "no point". Causes and effects of astigmatism are very diverse.
In addition, if you do not pay attention to this defect of vision in children at an early age, it can become a major cause of strabismus.
Astigmatism - a pathological eye refraction,fundamentally violates the sphericity of the cornea. Broadly speaking the disease can be defined as distortion of objects that a person sees around him. All pictures are dull, and at this point turn into segments. Poor people can see both near and far distances. In the event of complications visible objects can be disconnected with reality. For example, a circle may appear oval, square - circle, and some objects are completely indistinguishable.
Causes and diagnosis of astigmatism
Astigmatism can be congenital orpurchased. Most often this disease occurs at birth. In most cases, the defect of practically makes itself known to a certain degree of development. Sometimes astigmatism do not affect the human vigilance. It manifested the disease in poor visibility, the contours of objects.
To diagnose astigmatism helpAdditional symptoms. Even if the vision is not impaired, headaches and eyes begin to tire quickly with minimal load. On examination, the doctor examines the state of the eye, the cornea and lens. Violation of their form indicates the presence of astigmatism.
During the examination of the patient is required toconducted two procedures - holding skiascopy and monitoring dilated pupils using the drug atropine. On the basis of analyzes of the doctor makes a diagnosis, and selects the desired mode of treatment.
Theoretically, astigmatism is present in every human being. The difference is that in some people it develops, while the other one is always on the mark and do not affect the general condition or vision.
Treatment of astigmatism
Astigmatism can be corrected in several ways- Adjusted using special glasses, contact lenses, or surgically. In modern medicine, widely used method of laser vision correction, which in some cases appointed experts and astigmatism.
In no case should not try to selfget rid of astigmatism. There are cases when parents are picking up points for their children, guided by the conclusion that the child's usual myopia. Careless attitude of your child's body and can cause serious consequences. Glasses and lenses with astigmatic lenses often cause dizziness. This effect is not a side, it is a natural process of habituation.
The effects of astigmatism
If astigmatism is not treated in time, the visionman will deteriorate rapidly. Immediately it should be noted that the vision correction measures is best done when the first symptoms of the disease. In children, the most commonly used glasses with astigmatic lenses are older - the lenses. If you have used a laser complications or surgical correction.
Child must regularly give an appointment toophthalmologists. Unless noted astigmatism, it can significantly harm the child's body. In some cases, the disease becomes cause "lazy eye", a serious inflammation of the cornea and strabismus.