Myopia 250 degrees, bare eye vision is about 0.1-0.2, some people may have strong compensatory ability, can see 0.3-0.4, some people’s ability is weak, 0.1 will look a little hard. But in general, myopia 250 degrees bare eye vision is not ideal, is generally recommended to wear glasses for correction. Especially in children, if 250 degrees of myopia, reading the blackboard will be very difficult, and if not wearing glasses, myopia will grow very fast. Therefore, it is recommended and necessary to wear myopia glasses for children with 250 degrees. In adults, if you feel that your vision does not affect your work and daily life, and if you do not have long term vision, you may not wear glasses. If you drive a lot or look at things from a distance, it is recommended that you wear a pair of contact lenses or frames when you need them.