A closed and open eyes have a black circle may be mosquito, upright low blood pressure, etc., should promptly seek medical attention, clear cause for corresponding treatment.
1. Mosquito flying: refers to a small black shadow floating in front of the eyes, especially when looking at the white bright background, the symptoms are more obvious, can be accompanied by a sense of flash. Vitreous liquefaction and posterior detachment are the main causes of Aedes aegypti, about 70% of the patients caused by this, but about 1/4 may have vision-threatening lesions, such as retinal tear formation.
2. Upright hypotension: It is a condition in which the blood pressure drops when standing up quickly, and the patient may show the symptom of black haze when opening the eyes when standing up quickly, which may be accompanied by dizziness or even fainting.
Patients should go to the hospital in time to see a black circle when they close their eyes and open them, and follow the doctor’s instructions for treatment after clarifying the cause of the disease.