How to judge 3-year-old baby myopia

3-year-old baby is not myopia can be judged by mydriasis refraction. After the

child's pupils can be mydriasis refraction and subjective refraction, through mydriasis refraction can judge whether the child has myopia. If there is pseudomyopia, true myopia or mixed myopia, you can use mydriasis agent, so that the ciliary muscle relaxation. Through the ciliary muscle relaxant, can make the temporary over-adjustment phenomenon disappear, so as to rule out pseudomyopia, and then verify the degree of myopia.

Parents in the child before optometry to teach its letter opening direction, in order to verify the accuracy of the results.