it is based on the "adjustment theory" of optometry, the design principle of progressive multifocal glasses add and cover telescope, and the magnification effect of convex lens.
Glasshi da prescrizione per visione HD di grandi dimensioni per individui miopi for young students, it can also play a role in alleviating the rapid decline in myopia vision. "adjustment compensation glasses" are a type of functional glasses. adjusting compensation glasses is to add +100 to +300 degrees of convex lens to you when the eye looks close, replacing the refractive power of the lens, that is, the lens uses less +100 to +300 degrees of refractive power it can ensure that you can see closely and clearly, and reduce the tension of the eye muscles, coupled with the magnification of the convex lens, so the font is enlarged, the sight is clearer, and the eyes are not tired.syi.