Aspects Of Bifocal Eyeglass Frames
Multiple visual aids provided by bifocal eyeglasses have been known by people across the world for many decades. The advanced functionality and convenience brought by bifocal reading glasses have definitely helped millions of presbyopic patients. Supposed to offer two kinds of visual correction, a bifocal lens has to be equipped with two focal points. This involves really unique design and skills. Some people may have the thought that a bifocal lens should be larger than a single vision lens, because there are two different powers that must be fused together. If this idea is proven, bifocal eyeglass frames should also be made in a relatively larger size. Only in this way can the users get clear visual fields that are wide enough. However, this is not the truth. (more…)
