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odderanders
8 months ago

That you became aware of, can have various reasons:

* Blood pressure drop: When blood pressure drops suddenly, less blood flows to the brain. This can lead to dizziness, nausea and visual disorders, including white vision.

* Dehydration: If the body does not have enough fluid, the blood can become thicker and flow more slowly. This can also lead to a drop in blood pressure and visual disorders.

* Hyperventilation: If you breathe too quickly and deeply, this can lead to an imbalance of carbonic acid and oxygen in the blood. This can in turn lead to dizziness, tingling in the hands and feet and visual disorders.

On the other hand, black vision is typical for unconsciousness, since in this case the blood circulation of the brain is completely interrupted.