Why are your eyes red?

The causes of redness include physiological factors, trauma, infection, etc.

1. Physiological factors such

as poor recent sleep quality, excessive use of eyes, staying up late, etc., due to insufficient rest of the eyes, can lead to poor blood circulation around the eyes, resulting in redness of the eyes.

2. Trauma such

as bump injury, impact injury, etc., may lead to capillary damage of the eyes, causing a small amount of bleeding, making the eyes red.

3. Infection such

as keratitis, conjunctivitis, etc. Inflammation infection will lead to congestion and edema of the tissues around the eyes, resulting in redness, pain, tears and increased secretions.