A.B.O. Review Part 3
The breaking up of white light into it's component colors is called:
A. Diffraction
B. Diffusion
C. Dispersion
D. Refraction - CORRECT ANSWER-C
Refractive Index is:
A. The ratio of the sped of light in air to the speed of light in an optical medium
B. The refractive power of an optical medium
C. The prismatic effect of an optical medium
D. All of the above - CORRECT ANSWER-A
What is light transmission?
A. The ratio of blue light to red light.
B. The amount of light that gets reflected
C. The amount of light absorption.
D. The ratio of light entering to the light leaving a lens. - CORRECT ANSWER-D
Absorption of light can be increased by:
A. Tinting the lens
B. Polishing the lens
C. Increasing the transmission - CORRECT ANSWER-A
The best lens for reducing glare is:
A. Polarized lens
B. Tinted lens
C. #3 green sun glasses
D. UV coated lens - CORRECT ANSWER-A
What is the best tint for sensitivity to light indoors?
A. Blue
B. Gray
C. Rose
D. Yellow - CORRECT ANSWER-C
,Where does vision happen?
A. In the retina
B. On the cornea
C. In the crystalline lens
D. In the brain - CORRECT ANSWER-D
Which area of the retina is responsible for the sharpest image?
A. Optic disc
B. Cornea
C. Crystalline lens
D. Macula - CORRECT ANSWER-D
AR coating increases:
A. Refraction
B. Reflection
C. Absorption
D. Transmission - CORRECT ANSWER-D
Which statement about the cornea is not correct?
A. They are responsible for color vision
B. The are responsible for visual acuity
C. They function at night
D. They are located at the macula - CORRECT ANSWER-C
___________ is located a the middle of the iris.
A. Crystalline lens
B. Pupil
C. Cornea
D. Sclera - CORRECT ANSWER-B
Which is not a complication of the UV radiation?
A. Cataract
B. Snow-blindness
C. Glaucoma
D. Sun-burn - CORRECT ANSWER-C
, What is the best tint for a shooting glass?
A. Green
B. Yellow
C. Blu-blocker
D. Pink - CORRECT ANSWER-B
What would you recommend to an aphakic patient?
A. AR coating
B. Polarized lens
C. UV protection
D. Mirror surface sunglass lens - CORRECT ANSWER-C
What would you recommend for fishing?
A. Dark sunglasses with UV protection
B. AR coating and tinting
C. Polarized lenses - CORRECT ANSWER-C
What would you recommend for driving at night?
A. Yellow lenses
B. Photochromatic lenses
C. AR coated lenses
D. UV protection - CORRECT ANSWER-C
When you are ordering UV protection, AR coating, tinting, and scratch-resistant
coating which one is the last coating?
A. UV
B. AR.
C. Scratch-resistant
D. Tint - CORRECT ANSWER-B
Transition lenses are:
A. AR coated lenses
B. Glass lenses that change their shade because of UV
C. Plastic lenses that change their shade because of UV - CORRECT
ANSWER-C
Photochromatic lenses:
The breaking up of white light into it's component colors is called:
A. Diffraction
B. Diffusion
C. Dispersion
D. Refraction - CORRECT ANSWER-C
Refractive Index is:
A. The ratio of the sped of light in air to the speed of light in an optical medium
B. The refractive power of an optical medium
C. The prismatic effect of an optical medium
D. All of the above - CORRECT ANSWER-A
What is light transmission?
A. The ratio of blue light to red light.
B. The amount of light that gets reflected
C. The amount of light absorption.
D. The ratio of light entering to the light leaving a lens. - CORRECT ANSWER-D
Absorption of light can be increased by:
A. Tinting the lens
B. Polishing the lens
C. Increasing the transmission - CORRECT ANSWER-A
The best lens for reducing glare is:
A. Polarized lens
B. Tinted lens
C. #3 green sun glasses
D. UV coated lens - CORRECT ANSWER-A
What is the best tint for sensitivity to light indoors?
A. Blue
B. Gray
C. Rose
D. Yellow - CORRECT ANSWER-C
,Where does vision happen?
A. In the retina
B. On the cornea
C. In the crystalline lens
D. In the brain - CORRECT ANSWER-D
Which area of the retina is responsible for the sharpest image?
A. Optic disc
B. Cornea
C. Crystalline lens
D. Macula - CORRECT ANSWER-D
AR coating increases:
A. Refraction
B. Reflection
C. Absorption
D. Transmission - CORRECT ANSWER-D
Which statement about the cornea is not correct?
A. They are responsible for color vision
B. The are responsible for visual acuity
C. They function at night
D. They are located at the macula - CORRECT ANSWER-C
___________ is located a the middle of the iris.
A. Crystalline lens
B. Pupil
C. Cornea
D. Sclera - CORRECT ANSWER-B
Which is not a complication of the UV radiation?
A. Cataract
B. Snow-blindness
C. Glaucoma
D. Sun-burn - CORRECT ANSWER-C
, What is the best tint for a shooting glass?
A. Green
B. Yellow
C. Blu-blocker
D. Pink - CORRECT ANSWER-B
What would you recommend to an aphakic patient?
A. AR coating
B. Polarized lens
C. UV protection
D. Mirror surface sunglass lens - CORRECT ANSWER-C
What would you recommend for fishing?
A. Dark sunglasses with UV protection
B. AR coating and tinting
C. Polarized lenses - CORRECT ANSWER-C
What would you recommend for driving at night?
A. Yellow lenses
B. Photochromatic lenses
C. AR coated lenses
D. UV protection - CORRECT ANSWER-C
When you are ordering UV protection, AR coating, tinting, and scratch-resistant
coating which one is the last coating?
A. UV
B. AR.
C. Scratch-resistant
D. Tint - CORRECT ANSWER-B
Transition lenses are:
A. AR coated lenses
B. Glass lenses that change their shade because of UV
C. Plastic lenses that change their shade because of UV - CORRECT
ANSWER-C
Photochromatic lenses:
