How does the child often blink eyes to do

Children frequently blink eyes for a variety of reasons, may be due to a long time to see the phone, writing homework, resulting in dry eyes, should reduce the use of eyes. Or the presence of trichiasis, irritation conjunctiva, so that children uncomfortable, need surgery correction. Also may be because of conjunctivitis, conjunctival congestion, can use hot towels to apply eyes, and go to the hospital, symptomatic medication.