Extended pupils: causes

Most people understand that the symptom of manydiseases are dilated pupils. The reasons for this manifestation can lie entirely in another. For example, it is scientifically proven that dilated pupils are a sign of an excited state or a person's good mood. In addition, this signal can be a standard reaction to light.

Confirm these facts can be at home,it is enough to trace the state of the eyes at the moment of joy and sadness. If during the day a person was in a stressful situation or was simply sullen, then the pupils will be narrowed. Experienced Don Juan noticed that when communicating with a woman who has a genuine interest in a man, her pupils are dilated and give a signal of willingness to take any signs of attention. This is the state of mild excitement and a sign of good mood.

Why dilated pupils are standardreaction to light? The fact is that our body is designed in such a way as to protect the retina as much as possible from damage and ultraviolet rays. That is why in the bright sun or excessive illumination of the room it is possible to observe the narrowing of the pupil or, so-called, "closing of the eye". Conversely, when dilated pupils appear in the room of the twilight, the causes of this process relate to the direct function of the eye-to distinguish colors and to provide clarity of vision. In the dark, it becomes more difficult for a person to see many things, the muscles of the eye are focused, strained and the eyeball increases in size.

The increase in the size of the pupil occurs at the instantthe release of a large amount of adrenaline into the blood. This explains why a person's pupil dilates when he is afraid of something or during extreme rest.

The condition of the eyes can help an ordinary persondescribe the people who meet in his life. It has been established that narrow pupils testify to nervousness, unstable psychoemotional atmosphere, and extended ones speak of strong nerves and calm disposition. Thus, the state of the nervous system affects not only the location of the spirit and health, but also the state of the eyes.

Extended pupils: causes of diseases.

It's not a secret for anyone that such a reactiona person can arise with the use of narcotic drugs, alcoholic beverages, and even psychotropic drugs. Excessive and regular use of alcohol leads to a corresponding disease, to get rid of which is problematic. And the use of drugs will once again lead to a repeat of admission, and then to a systematic use.

If we talk about the causes of dilated pupils, thensuch a symptom cause thyroid pathologies or head trauma. And in the presence of additional signs in the form of general deterioration of health: headaches, increased blood pressure, nausea and vomiting, you should immediately seek medical attention, who can make an accurate diagnosis and provide timely assistance.

In addition, many diseases can result frombecome dilated pupils. The reasons for their manifestation lie in the medicines that are prescribed for treatment. For example, "Atropine" is a tool used in getting rid of many ailments. Often assigned to people suffering from a violation of the gastrointestinal tract. Even excessive sweating can be stopped with the help of this drug, as it reduces the secretion of glands, in particular sweat.

Thus, the state of the eyes may bea symptom of any problems in the human body or serious diseases. But nevertheless, in most cases, the enlargement or contraction of the pupil is a moment reflecting the characteristic features of people, or a traditional reaction to external factors of influence.