The Chinese monthly rose (æå­£ yueji) is famous for the fact that it blooms almost every month of the year. For this reason, the Chinese rose is also known as âthe eternal spring flowerâ (é·æ¥è± changchunhua), and is thus a symbol of longevity.
Our solar-eclipse glasses provide eclipse safety for viewing all solar eclipses. Eclipse glasses, and eclipse viewers, block out 100% of harmful ultra-violet rays, 100% of infrared, and 99.999% of intense visible light, protecting your eyes and letting you view these spectacular natural phenomena.
Looking at Lenses. The two best-selling eyeglass lenses are the most basic ones: CR-39 and the polycarbonate, both plastic. (Few people now use glass, which is heavy and breakable.) If you have a single-vision prescription (glasses to see far away or close up), you can generally get by with CR-39 lenses.