Adults over the age of 18 can get an accurate myopia prescription through computerized optometry; adolescents under the age of 18 need to have their pupils dilated for optometry; adolescents between the ages of 10 and 18 can have their pupils dilated 4 times with a fast pupil dilator, atropine, and then have their pupils tested for an accurate myopia prescription; children under the age of 10 with eye position abnormalities need to have their pupils dilated with a strong pupil dilator Children under 10 years of age with abnormal eye position should have their pupils dilated with a strong dilator, and their pupils should be dilated with atropine gel for 3 days, twice a day for 3 days and 6 times a day before going to the hospital for optometry. Children with amblyopia should have amblyopia training and be reviewed regularly. For children under 18 years old, it is recommended that they have a dilated eye exam once every six months.