Why darkening in the eyes and what it can threaten. 7 possible causes

MD, pediatrician, nutritionist, co-founder of UniProf Academy of Physicians

What causes darkening in the eyes? Is it dangerous and what should be done?

Darkening in the eyes can be due to many reasons, from vascular problems to colds.

Low or high blood pressure

Low blood pressure is a condition that is accompanied by dizziness, headaches, muscle cramps, lack of appetite, photophobia and other unpleasant symptoms. Hypotension can be genetically determined or caused by certain factors, such as taking specific medications. Treatment depends on the cause of hypotension.

Darkening of the eyes can also occur with high blood pressure, as well as with a sudden change of position, when the blood drains from or rushes to the head. This is a normal reaction.

Overexertion, heat stroke, dehydration

Overexertion, sunstroke, heatstroke, fluid deficiency, excessive exercise, malnutrition – all these are not caused by a disease, but by certain conditions at a particular moment. In such a case, darkening of the eyes does not occur regularly, but once in a while when performing the same condition – for example, after a night shift or on a hot day. To prevent dehydration, you need to drink enough water. How to calculate your norm in the heat, read in the article at the link.

Violation of heart rhythms

Arrhythmia (violation of heart rhythms) leads to an insufficient supply of oxygen to the brain. This can cause darkening of the eyes and even fainting. The disease should not be neglected, for its detection and prescription of treatment it is necessary to consult a cardiologist.

Clamps in the cervical region

Atherosclerosis of the cervical vessels and clamps in this section of the spine disrupt blood circulation. Due to which the brain does not get enough oxygen. This can cause darkening in the eyes, headaches and dizziness.

In such a case, it is necessary to do a vascular ultrasound and consult a doctor.

Vitamin deficiency

Darkening in the eyes can also be a deficiency of microelements and vitamins, such as iron, vitamins A, E, D. To determine what exactly you lack, help special tests. And the doctor will tell you how to fill the deficit.

Diabetes mellitus

The cause of darkening in the eyes can be diabetes mellitus and diseases of endocrine organs, as well as disorders of the hormonal background. For example, such symptoms often occur in pregnant women just because of changes in the hormonal system.

Eye diseases

Darkening can also be associated with ophthalmologic diseases, including myopia and hyperopia. Especially if your eyes are constantly strained – for example, if you do a lot of paperwork or work on the computer. How much time you can safely spend in front of the screen, read in the previous material at the link.