Black eyes and dizziness for just a few seconds are generally considered to be symptoms induced by postural hypotension, hypoglycemia and cerebrovascular diseases.
1. postural hypotension: when changing position, it may cause a transient decrease in blood pressure, leading to transient ischemia and hypoxia of the brain tissue, inducing black eye and fainting symptoms.
2. Hypoglycemia: it may cause transient insufficient energy supply to the brain, resulting in hypoxia and ischemia in the brain, inducing black eye and dizziness for a few seconds.
3. Cerebrovascular disease: transient ischemic attacks, for example, can also lead to transient insufficient blood supply to the brain, resulting in cerebral arterial circulation disorders, causing black eyes and dizziness for a few seconds.
In addition, we can not rule out the possibility of other factors caused by black eyes and dizziness for a few seconds, it is recommended that the patient needs to actively improve the relevant examination, the specialist doctor according to the cause of the patient’s guidance to patients to receive treatment.