After so many years of technology developing in the field of prescription glasses, there are a lot of new innovations in glasses, which are not only for correcting our vision as the old days, such as myopia, hyperopia and astigmatism, from the old days heavy glass lens to today’s light and thin plastic lens but with stronger refractive index and scatter-resistant, actually, in today’s market, these new innovations are appeared to better meet consumers needs and demands, and what’s more, the competition between companies is really, you will be absolutely out if you lose your competition, that’s another factor which also stimulated much growth in new developments of prescription eyeglasses. (more…)