NAO TEST 4 Exam Questions with
Correct Answers 100% PASS
which is a correct statement concerning light waves that are less than 20 feet from
their source? - CORRECT ANSWER-they are considered diverging
what is the range of visible wavelengths the human eye is sensitive to ? -
CORRECT ANSWER-380-760nm
which of the following occurs to the greatest degree when light encounters a lens
surface? - CORRECT ANSWER-transmitted
How much light does a 1.49 index lens reflect? - CORRECT ANSWER-8.1%
On what optical characteristic are AR treatments based upon? - CORRECT
ANSWER-destructive interference
which type of glare does AR treatment eliminate? - CORRECT ANSWER-
distracting
what type(s) of UV radiation cause sunburn? - CORRECT ANSWER-UVA and
UVB
a superficial and painful inflammation of the cornea is known as _____ -
CORRECT ANSWER-photokeratitis
, which of the following is the third leading cause of blindness worldwide? -
CORRECT ANSWER-ARMD
which of the following is mostly absorbed by the crystalline lens of the eye? -
CORRECT ANSWER-UVA
how much UV radiation passes through a childs crystalline lens to the retina? -
CORRECT ANSWER-75%
the color which provides excellent contrast and improves vision acuity and depth
perception is: - CORRECT ANSWER-gray
the color which provides high contrast and filters out the blue light and is worn for
shooting sports? - CORRECT ANSWER-yellow
another term that might be used for eyewear "wants" is _____ - CORRECT
ANSWER-desires
where do fashion trends in modern eyewear usually come from? - CORRECT
ANSWER-retail strongholds like apparel
all of the following frame materials are hypoallergenic EXCEPT: - CORRECT
ANSWER-monel
COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED
Correct Answers 100% PASS
which is a correct statement concerning light waves that are less than 20 feet from
their source? - CORRECT ANSWER-they are considered diverging
what is the range of visible wavelengths the human eye is sensitive to ? -
CORRECT ANSWER-380-760nm
which of the following occurs to the greatest degree when light encounters a lens
surface? - CORRECT ANSWER-transmitted
How much light does a 1.49 index lens reflect? - CORRECT ANSWER-8.1%
On what optical characteristic are AR treatments based upon? - CORRECT
ANSWER-destructive interference
which type of glare does AR treatment eliminate? - CORRECT ANSWER-
distracting
what type(s) of UV radiation cause sunburn? - CORRECT ANSWER-UVA and
UVB
a superficial and painful inflammation of the cornea is known as _____ -
CORRECT ANSWER-photokeratitis
, which of the following is the third leading cause of blindness worldwide? -
CORRECT ANSWER-ARMD
which of the following is mostly absorbed by the crystalline lens of the eye? -
CORRECT ANSWER-UVA
how much UV radiation passes through a childs crystalline lens to the retina? -
CORRECT ANSWER-75%
the color which provides excellent contrast and improves vision acuity and depth
perception is: - CORRECT ANSWER-gray
the color which provides high contrast and filters out the blue light and is worn for
shooting sports? - CORRECT ANSWER-yellow
another term that might be used for eyewear "wants" is _____ - CORRECT
ANSWER-desires
where do fashion trends in modern eyewear usually come from? - CORRECT
ANSWER-retail strongholds like apparel
all of the following frame materials are hypoallergenic EXCEPT: - CORRECT
ANSWER-monel
COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED
