How is myopia calculated

Myopia degree is not calculated, but obtained through refractive examination.

Refractive examination can understand the degree of refraction of the patient, which helps to determine the degree of wearing glasses. Examination methods include insertion refraction and optometry. If myopia patients want to clarify the specific degree of the eye, they need to go to the hospital for refractive examination. Generally, it is impossible to calculate the degree of myopia

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