Hello, blood in the eyes is usually seen in conjunctivitis, is the conjunctiva by the bacterial or viral infection caused by inflammation, you can use some eye drops such as Rensu, acyclovir eye drops, etc. for treatment.

Suggestions:

Hello, your symptoms can not be ruled out is overuse of the eyes, resulting in eye fatigue caused by, it is recommended to pay attention to rest, do not stay up all night, you can drop to alleviate eye fatigue of eye drops for relief.