4.8 Is it nearsighted?

If vision 4.8 is not up to normal vision standards, as for vision is not myopia, need to go through refractive examination to understand the refractive state, children under the age of 12 recommended to do cycloplegia mydriasis refraction, adolescents over the age of 12 can do rapid mydriasis refraction, after mydriasis refraction, can be more accurate to know whether the refractive state is myopia, myopia, astigmatism exists or is not hyperopia, Specific conditions are obtained through mydriasis optometry. If you need to wear glasses to correct vision or improve vision, you should wear glasses in time.