What to do if a three-year-old has astigmatism of 400 degrees

Three-year-old child astigmatism 400 degrees, or very serious situation, need to immediately take the child to the hospital for eye-related examination, to check the pupil, and then do an intraocular pressure and fundus examination, if astigmatism 400 degrees, to wear appropriate degree glasses, usually let the child use less eyes.