1. Radiation type of wavelengths shorter than 400 nm
Answer: UV radiation
2. Division of UV radiation ranging from 290-200 nm & is extremely dangerous,
absorbed by the ozone layer
Answer: UV C
3. Division of UV radiation ranging from 320-290 nm & causing sunburn, corneal
burn, retinal damage, & eventually cataracts; mainly absorbed by thecornea & partly
the crystalline lens
Answer: UV B
4. Division of UV radiation ranging 400-320 nm & causing suntan & cataracts;
primarily absorbed by the crystalline lens
Answer: UV A
5. The FDA requires that sun lenses transmit no more than
% of UV A & nomore than
% of UV B
Answer: 5, 1
6. Lenses that go beyond UV wavelength for superior protection
Answer: Glare controllenses
7. Radiation type of wavelength 750-1400 nm
Answer: Infrared radiation
8. The breaking down of white light into seven component colors
Answer: Dispersion
9. When white light enters the eye, this color focuses upon the retina
Answer: Green
10. When white light enters the eye, this color focuses beyond the retina
Answer: Red
11. When white light enters the eye, this color focuses in front of the retina
Answer: -Blue
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