But new Johns Hopkins research in mice suggests that neural stem cells, the bodyâs source of new brain cells, are resistant to radiation, and can be roused from a hibernation-like state to reproduce and generate new cells able to migrate, replace injured cells and potentially restore lost function.
Pupillary Distance (PD) You'll need to know your PD if you want to order glasses from EyeBuyDirect. Don't worry if your glasses prescription doesn't include your PD, we can show you how to measure it by yourself. How to measure your pd
What happened when you got your glasses was they put new prescription lenses into the frame that you purchased. There are Rayban lenses you can put into your frame that do have the logo. They feature the classic G15 (a greenish color lens) and B15 (a brown lens).or people who own prescription ray-ban sunglasses. I bought a pair of ray-ban prescription sunglasses. Ray-bans are known for having the name printed on one lens in the upper right-hand corner. When they gave me the glasses back, the name wasn't there.