ABO Exam Prep Part 2 Basic Optic
Principles4
UV radiation - ANSWERS-Radiation type of wavelengths shorter than 400 nm
UV C - ANSWERS-Division of UV radiation ranging from 290-200 nm & is extremely dangerous,
absorbed by the ozone layer
UV B - ANSWERS-Division of UV radiation ranging from 320-290 nm & causing sunburn, corneal
burn, retinal damage, & eventually cataracts; mainly absorbed by the cornea & partly the
crystalline lens
UV A - ANSWERS-Division of UV radiation ranging 400-320 nm & causing suntan & cataracts;
primarily absorbed by the crystalline lens
5, 1 - ANSWERS-The FDA requires that sun lenses transmit no more than __% of UV A & no
more than __% of UV B
Glare control lenses - ANSWERS-Lenses that go beyond UV wavelength for superior protection
Infrared radiation - ANSWERS-Radiation type of wavelength 750-1400 nm
Dispersion - ANSWERS-The breaking down of white light into seven component colors
Green - ANSWERS-When white light enters the eye, this color focuses upon the retina
Principles4
UV radiation - ANSWERS-Radiation type of wavelengths shorter than 400 nm
UV C - ANSWERS-Division of UV radiation ranging from 290-200 nm & is extremely dangerous,
absorbed by the ozone layer
UV B - ANSWERS-Division of UV radiation ranging from 320-290 nm & causing sunburn, corneal
burn, retinal damage, & eventually cataracts; mainly absorbed by the cornea & partly the
crystalline lens
UV A - ANSWERS-Division of UV radiation ranging 400-320 nm & causing suntan & cataracts;
primarily absorbed by the crystalline lens
5, 1 - ANSWERS-The FDA requires that sun lenses transmit no more than __% of UV A & no
more than __% of UV B
Glare control lenses - ANSWERS-Lenses that go beyond UV wavelength for superior protection
Infrared radiation - ANSWERS-Radiation type of wavelength 750-1400 nm
Dispersion - ANSWERS-The breaking down of white light into seven component colors
Green - ANSWERS-When white light enters the eye, this color focuses upon the retina
