Darkening in the eyes - causes

The state, when it gets dark in the eyes, and the person seems to fall out of reality, is familiar to many. Even if the darkening in the eyes occurs several times in life, the experienced helplessness disturbs and remains in the memory for a long time. But sometimes darkening in the eyes and dizziness occur all the time. Undoubtedly, these are symptoms of disorders in the body! They indicate insufficient supply of oxygen to the brain.

Causes of darkening in the eyes

Let's look at the diseases that cause the state of hypoxia.

Change in blood pressure

Darkening in the eyes and noise in the ears can be caused by a sharp change in blood pressure: both increase and decrease. Such violations occur in stuffy enclosed spaces, for example, in an elevator booth or a bus. In this case, it is necessary to ensure access to fresh air and, if possible, to lie down.

Hypotension often causes a sharp darkening in the eyes. The brain with low blood pressure, like other organs and tissues of the body, receives insufficient amounts of oxygen. An important part of the therapy in this case is a full rest, as well as taking medications based on caffeine.

Anemia

Not only lack of blood supply to the brain, but also the quality of blood can be the cause of cerebral hypoxia. Low hemoglobin level is due to insufficient nutrition, disorders in digestion of food by the gastrointestinal tract. In some cases, the cause of iron deficiency anemia are abundant menstruation in women. In case of anemia, iron-containing preparations, vitamin complexes are prescribed and therapy is provided to treat the underlying disease.

Heart diseases

A common cause of darkening and dizziness is a malfunction in the work of the heart muscle. Violations of the frequency of heart contractions (bradycardia) are caused by various blockades, endocrine or nervous pathologies. In some cases, with normal heart rate may be observed decrease in the impact volume of the heart due to congenital or acquired heart defects. If you suspect a disease of a vital organ, it is recommended to take an electrocardiogram, according to which the cardiologist will prescribe a therapy.

Other reasons

Darkening in the eyes when standing up is noted with pathological changes in the cervical spine and failure of the peripheral nervous system ( vegetovascular dystonia ). After the examination, the doctor prescribes appropriate medication, physiotherapy, massage.