If you detest wearing glasses and don't want to wear contact lenses, natural vision correction may be appealing to try. But there are no clinical trials to back up the idea that natural eyesight correction is effective. Although natural vision correction techniques promise to reduce refractive problems in the eyes, they might not be effective. Myopia (nearsightedness) and hypermetropia (farsightedness) are two refractive deficiencies...
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Psychology