Squinting can be myopia, astigmatism or other ocular surface diseases.
When a child is nearsighted, he or she will experience blurring and difficulty seeing at a distance, and will then squint involuntarily. Squinting can reduce the size of the eyelid fissure and deepen the depth of field of the eye, so that he or she can see more clearly.
Squinting can also be caused by astigmatism. Astigmatism in the eyes also affects vision, and children will squint in order to see more clearly.
Squinting can also be caused by other eye diseases, such as conjunctivitis, keratitis, etc. Eye diseases lead to eye fatigue, blurred vision, eye discomfort, the child will squint to see more clearly and relieve eye discomfort.
Parents who find their children squinting to see things are advised to take their children to the regular hospital in time.