The term "red eye" is used to describe eyes that are red and bloodshot. Bloodshot eyes are usually painless. They develop when blood vessels near the surface of the eye become swollen.
Source: Verywell Health
The term "red eye" is used to describe eyes that are red and bloodshot. Bloodshot eyes are usually painless. They develop when blood vessels near the surface of the eye become swollen.
Source: Verywell Health