How to measure eye degree

The eye is measured, mainly through optometry to check, can be clear which kind of refractive error, and at the same time clear the specific degree of refractive error. It is recommended to show a decline in vision after the hospital in time for examination, normal 5-8 years old after the vision can reach 5.0, below 5.0 is a decline in vision. Adolescent period, after the need for mydriasis and then optometry, can relax the ciliary muscle, the results are more accurate. Adults can determine the specific degree through direct optometry. Wear glasses according to the results of the examination and develop good eye habits to control the continuous increase of the degree. Children can wear orthokeratology lenses to control the increase of the degree.