Generally, it is filled in like this: the corrected vision is filled in with normal naked eye vision 5.0, and the correction degree is filled with 5 zeros. Official filling requirements: "Naked vision, blood pressure, height, weight, hearing" and other examination items must be filled in truthfully and signed by a physician or professional nurse. If there is any abnormality, please correct the abnormal vision to "4.8";

And fill in the "+" or "-" sign in the first "□" of the five "□" after "Correction Degree";

Fill in the corrected degree with the right alignment. If it is less than four digits, fill in "0" in front of the "□", such as "+0200"; if it is normal, please fill in the "□" after "uncorrected vision, corrected vision" Fill in the specific value, and fill in "0" in the five "□" after "correction degree". Vision refers to the ability of the retina to distinguish images. The quality of vision is determined by the ability of the retina to resolve images. However, when the refractive medium of the eye (such as cornea, lens, vitreous body, etc.) becomes turbid or there is refractive error (including myopia, hyperopia, astigmatism, etc.), even if Eyes with good retinal function can still experience reduced vision.