Suddenly stand up a black eye, may be postural low blood pressure, anemia, cervical spondylosis and so on.
1. Postural hypotension: especially the low blood pressure of the crowd, suddenly stand up because the blood can not quickly return to the brain, causing insufficient blood supply to the brain, may produce dizziness, black eyes or even fainting symptoms, generally pay attention to the change of position when the speed is slowed down, can be relieved after rest.
2. anemia: will cause the body blood oxygen content is insufficient, causing hypoxia, suddenly stand up, affecting the blood supply to the brain oxygen supply, appearing in front of the eyes a black symptom, but also dizziness, pallor, and fatigue and weakness and other symptoms.
3. Cervical spondylosis: seen in vertebral artery type cervical spondylosis patients, suddenly stand up due to the curvature of the cervical vertebrae change, cervical vertebral basilar artery pressure, may cause cerebral blood supply is insufficient, resulting in cerebral hypoxia, appear. Darkness in front of the eyes symptoms, can also be accompanied by dizziness, nausea and vomiting and other symptoms.
Suddenly stand up in front of the eyes black cause has a variety of possibilities, it is recommended to promptly go to the regular hospital to receive examination and treatment.