Protect Your self from Blue Light.

20-20-20 rule means every 20 minutes, look at something 20 feet away and do that for 20 minutes each time. True or false?

There are special apps that block blue light. True or false?

It's impossible that blue light will make us blind. True or False?

Where does the most harmful blue light comes from? (A) Microwave. (B) Screen. (C) Desk lamp.

Blue light from screens also affects our sleep. True of false?

Which will produce lots of blue light? (A)Televisions. (B) Computers. (D) cellphones. (D) All of the above.

Our eyes are good at blocking blue eyes. True or False?

Which light has the most energy? (A) Blue light. (B) Red light. (C) Green light.

Light enters our eyes when we turn off the light?