Now,The kids short-sight has already been a quite common Phenomenon. Most parents will let their children wear the myopic reading glasses, in fact, the teenagers are still in the growth process, Their axial length is also in the growth phrase. If they wear such eyeglasses frames, their growth maybe affected, and probably play an opposite part in accelerating nearsightedness strength increasing.

However, Progressive lens can solved the problem, as they have three strengths, They are used to see distant, middle and nearby things respectively. But the nomal lens has only one strength. Chilren are particular about different strengths to watch things in different distances. Wearing ordinary lenses or glasses frames, children have to use their own eyes for adjustment. The progressive lenses which have three strengths can help the children adjust. It can properly control the speed of development of shortsightedness.