How does red blood appear in the baby eye of 3 years old 8 months return a responsibility

Three years and eight months of baby eyes appear red blood mostly due to lack of sleep, generally after proper rest, symptoms will ease or even disappear. It may also be caused by fire, and unreasonable diet, lack of drinking water and other factors. In addition, if accompanied by difficulties in opening eyes, increased eye secretions, eye pain and other manifestations need to be considered conjunctivitis, keratitis and other diseases.