How to fix contact lenses?
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The formula for converting the power of glasses and contact lenses is contact lens power = glasses power † (1-0.012× glasses power).
Contact lenses and glasses can be converted by the formula, that is, contact lens power = glasses power † (1-0.012× glasses power), and the calculation result is 0.25D as the unit value, and the power within 4.00D (excluding) does not need to be converted. The power of glasses is generally applicable to any power, and the power of contact lenses is generally between 100 degrees and 900 degrees, both of which can be used to correct refractive errors. For myopia, the power of contact lenses is lower than that of glasses; For presbyopia, contact lenses are more powerful than glasses.
