Feel around for the switch; most toggle switches are up/on and down/off.
A blind man may never be able to see, no matter what. He might be able to have corrective surgery, or wear glasses if he is not fully blind.
You can tell because all traffic lights are in the same order for color blind people.
No there ways of becoming blind.
If you're fully blind, you don't see anything of the outside world at all. Some may be legally blind but still be able to differentiate between light and dark.
Not all blind people use cell phones but I bet at least 40% of blind people use cell phones.
Some millipedes are totally blind but most can see light/dark. Most "if not all" do not have very good eyesight.
If a man is totally blind you can never prove to him that there is a light, and if has any sight at all, there is no need to prove it because he will see it himself. We don't prove the light but the light proves us whether we're blind or not. Jesus Christ was and still is the light of the world, and if you can't see that light, that's the proof that you are blind.
nothing there blind all they can see is black
67% of all blind people in the U.S are all currently drug abusers. -New York Times
Light is important because without it we would not be able to see it would be like were all blind 
Window blinds are of course made to keep sunlight out. With that being said there is a specific kind that prevents almost all light from getting inside the blind. That kind of window blind is called a blackout blind.
Yes. All marsupials are born extremely underdeveloped. They are blind, hairless and utterly helpless.
yes color blind people can become cops all they have to be able to do is see(: