Where can red blood be distributed in the eyes?

The conjunctiva is mainly divided into three parts: 1, eyelid conjunctiva, open eyelids to see this part inside the eyelids;2, bulbar conjunctiva, usually look in the mirror, white part, white part of the surface called sclera, the outer surface will be covered with a layer called bulbar conjunctiva, bulbar conjunctiva will also show red eyes; 3, the eyelid conjunctiva and bulbar conjunctiva between the two called fornix conjunctiva, in order to open the eyelids, eyelid root position. Therefore, it is necessary to clarify which part of the red blood is from, for different parts, determine what causes the increase in red blood in the eyes, and then carry out corresponding treatment for the reasons.