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Sight deterioration at diseases of heart and vessels

Hypertensive illness, or arterial hypertension is a disease, being accompanied systematic increase of arterial pressure. It can be raised constantly, or to increase during stresses, psychoemotional and physical activities.

Raised it is considered arterial pressure which rises above level of 140 and 90 mm Hg.

As that deterioration of sight at early stages of a hypertensive illness it is not observed. Such symptoms, as dizziness, "front sights before eyes", dimness in eyes can disturb patients, for example, at a sharp rising. The reason of deterioration of sight in this case is increase of a blood pressure and violation of a normal blood-groove in eye-socket vessels.

Other symptoms of a hypertensive illness:

  • headaches
  • weakness, fatigue
  • skin reddening, perspiration.

Authentic method of diagnostics of a hypertensive illness is a dynamic measurement of arterial pressure by means of a tonometer. At increase of a blood pressure and accompanying deterioration of sight it is necessary to carry out the corresponding research to exclude pathologies of kidneys, nervous system, endocrine system, atherosclerosis.

Basis of treatment of an arterial hypertension is the prescription of medicines, reducing level of arterial pressure.

Hypertensive crisis

Hypertensive crisis is complication of a hypertensive illness. It is characterized by single increase of arterial pressure to very high indicators.

Such symptoms, as are thus noted:

  • sight deterioration in a look "goosebumps before eyes", dimnesses before eyes, dark stains, flashes and so forth
  • dizziness, strong headache
  • nausea and vomiting
  • passing violations of movements and sensitivity in muscles.

All these violations, including sight deterioration, are temporary. After hypertensive crisis abates, they completely pass. But hypertensive crisis is dangerous that during it there can be such complications, as heart attacks, strokes and so forth.

Stroke

The stroke is the sharp condition, being characterized considerable violation of brain blood circulation as a result of obstruction of a brain vessel, or a cerebral hemorrhage. Thus the whole groups of nervous cages remain without oxygen therefore they can perish. At a stroke development of paralysis of muscles of a half of a body, sensitivity violation is characteristic. At the same time there can come sight deterioration in one or both eyes.

More often two options of disorder of visual function meet:

  • total blindness of one or both eyes
  • scotoma, a dark stain which is in one half of a field of vision, or in its center.

Sometimes the specified violations can independently pass further, or as a result of the carried-out treatment.

The stroke is easily diagnosed already at survey of the patient by the doctor. The patient should be immediately placed in chamber of intensive therapy for carrying out treatment. Such researches, as the biochemical analysis of blood, the blood analysis are appointed to coagulability, CT and brain MRI, a spinal puncture and so forth.

The forecast at a stroke depends on extensiveness of defeat of a brain. Sight deterioration in this case isn't a leading symptom - there are more essential violations.

Hypotonia

Hypotonia is the reduced arterial pressure, as a rule, is lower than indicators 110 and mm Hg. Hypotonia isn't so dangerous condition, as a hypertension. It also can be accompanied by some deterioration of sight.

At hypotonia of the patient disturb the following symptoms:

  • dizziness, headaches, pallor, cold sticky sweat
  • sight deteriorations in a look "front sights before eyes", dimnesses in eyes, especially upon sharp transition from horizontal in vertical situation
  • decrease in the general vitality, fatigue, weakness.

Hypotonia is diagnosed by measurement of arterial pressure in dynamics by means of a tonometer. If it isn't connected with diseases of other bodies, special treatment it is not required. The patient recommend to conduct an active way of life more to go in for sports, drink in the mornings strong coffee.

Thrombosis of vessels of a retina

Thrombosis of vessels of a retina is characterized by formation of blood clots in eye arteries. It can result from such diseases, as:

  • the increased coagulability of blood
  • hypertensive illness
  • diabetes, especially first type
  • atherosclerosis.

Thrombosis of vessels of a retina is accompanied by deterioration of sight which is characterized by gradual decrease in its sharpness. This process occurs very slowly, for a long time. Complete loss of sight occurs extremely seldom when it was not carried out at all pathology treatments.

The diagnosis of thrombosis of arteries of a retina is established after survey of the patient by the ophthalmologist. Then conservative treatment which helps to brake process of a tromboobrazovaniye and sight deterioration is appointed. It is necessary to resort to surgical treatment very seldom, only in the started situations.

Diseases of nervous system (migraine, epilepsy)

Epilepsy and migraine is two different diseases, nevertheless, at them very similar violations of sight meet.

Epilepsy is a disease which is characterized by emergence in a cerebral cortex of the center of a pathological pulsation. Thus I can be observed convulsive attacks or other manifestations. Deteriorations of sight are usually noted directly ahead of an attack:

  • dark stains and dimnesses in eyes
  • bright flashes, light spots before eyes
  • terrible elaborate images before eyes, hallucinations.

Similar manifestations can be observed and before attacks of migraine – very strong headache which is observed in one half of the head.

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