What Are Dizzy Spells?

General dizziness is a common brain dysfunction and one of the common clinical symptoms. It may be due to a cold, a physical infection, or high or low blood pressure, but when these problems disappear, the dizziness will also diminish. It is generally described as "ear water imbalance", usually because of a problem with the balance system, which causes the feeling of turning around and seasickness.

Dizziness

(Medical phenomenon)

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General dizziness is a common brain dysfunction and one of the common clinical symptoms. It may be due to a cold, a physical infection, or high or low blood pressure, but when these problems disappear, the dizziness will also diminish. It is generally described as "ear water imbalance", usually because of a problem with the balance system, which leads to a spiral,

I often feel dizzy, which may be caused by anemia and low blood pressure. The common reasons are:

Cervical spine lesions: Those who often lower their heads or sit still for a long time are prone to this disease. In addition to dizziness, there are discomforts in the head, neck, and shoulders.

Pernicious anemia: malnutrition

Or there is internal bleeding

Or there are some wasting venereal diseases (such as cancer)

Or bone marrow hematopoiesis

Or drug side effects (such as chemotherapy)

These will cause pernicious anemia

People's faces are often pale and weak

Abnormal blood pressure: high or low blood pressure can cause dizziness

Hypoglycemia: Not eating breakfast or eating an unreasonable diet can cause hypoglycemia and dizziness

Pale skin, mucous membranes, dizziness, dazzling, tinnitus, fatigue, palpitation, shortness of breath and other symptoms can occur. If treatment is not performed in time, the consequences will be serious.

Specific prevention and treatment methods are the same as those for vertigo.

The huge 3D Hollywood "Avatar" was released, but after watching the movie, many viewers felt "dizzy" in addition to being amazed. Since the film's global release on December 18, 2009, it has sparked a lively discussion about "Avatarh3dache" on the European and American networks. Domestic netizens simply call it "Hyun 3 dishes".

However, the cause of "3D dizziness" is not "Avatar", but 3D technology. In fact, previous 3D feature films such as "Ice Age 3" and "Flying Around the House" have brought similar discomfort to the audience, but because the attendance rate is not as good as "Avatar", the "illness" caused by it has not caused Pay enough attention.

Why do 3D videos cause dizziness? Ophthalmologists explained that in addition to a large number of real-focus pictures, 3D movies also have rich virtual focus scenes. When watching a 3D movie, the screen changes frequently, and the audience's eyeballs must be repeatedly focused, which leads to overtraining of the eye's ciliary muscles and leads to regulatory visual fatigue, which causes discomfort such as eye swelling, dizziness and nausea and vomiting. In the state of relatively tired eyes, it is not suitable to watch 3D movies.

Experts remind that if you feel sore and uncomfortable during the movie watching, you should take off the special glasses and close your eyes for a while. After you go home, you can use a warm towel to apply some local heat to your eyes. If you have severe symptoms, you should seek medical treatment in time.