-
1.56 Bifocal Blue Cut HMC Optical lenses
As the name suggests, a bifocal mirror has two luminosity. Generally, it is used to see the distance, such as driving and walking; The following is to see the near luminosity, to see the near, such as reading, playing mobile phone and so on. When bifocal lens just came out, it was really regarded as the good news for people with myopia + presbyopia, which dispenses with the trouble of frequent picking and wearing.
Bifocal lens piece removed the trouble of myopia and presbycusis frequent pick and wear, see far and near can see clearly, the price is also cheaper.
