True
False
True
False
True
False
True
False
Impact, abrasion, high pressure water, and poking
Impact, chemical, heat, and light
Chemical, abrasion, flying object, and muscle tension
True
False
True
False
True
False
True
False
True
False
True
False
True
False
Eye strain
Blurred vision
Difficulty seeing at night
All of the above
True
False
True
False
Wait!
Here's an interesting quiz for you.