Toxicologist John Draize, 65 years ago, invented the “rabbit test” as a standard for measuring eye damage when exposed to chemical agents. The rabbits are held in a brace preventing them from moving their bodies or heads for 21 days or longer after the chemical has been introduced into their eyes. The eyes are then [...]
Recent years, more and more middle aged people suffer from hyperopia. So the multifocal prescription eye glasses enjoy higher and higher market shares.However, you have to spend some time in adapting to the multifocal eyeglasses if it is your first attempt on it.We should take a scientific attitude toward this process.How to see the objects [...]
Just as in the general population, there has been agrowing epidemic of cancer among celebrities andpublic figures, such as in the recent cases ofPatrick Swayze, Cristina Applegate, Sheryl Crow,Melissa Etheridge, Farrah Fawcett, Ted Kennedy,Kylie Minogue, Rudy Giuliani, Lance Armstrong,just to name a few. Even more celebrities have lost loved ones to cancer,such as: Angelina Jolie, [...]
Aviator silver flexible memory metal eye glasses are one of the major brands of silver sunglasses. Silver sunglasses have different categories: silver frame sunglasses and silver lens sunglasses. Silver frame sunglasses can be silver-made frames or silver-colored frames. When it comes to lens color, silver lens sunglasses are one of the common types. Actually, other [...]
It is now a period of contacts and safety full frame glasses as well. As for most people, especially these drivers, some sorts of safety glasses are essential, among which are anti fog safety glasses and bifocal safety glasses. However, most people can not tell the difference of the two safety glasses. Consequently, a comparison [...]