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NAO TEST 4 | 100 QUESTIONS AND ANSWERS WITH VERIFIED SOLUTIONS | LATEST UPDATE 2025
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NAO TEST 4 | 100 QUESTIONS AND ANSWERS WITH VERIFIED SOLUTIONS | LATEST UPDATE 2025
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NAO TEST 4 | 100 QUESTIONS AND ANSWERSWITH VERIFIED SOLUTIONS | LATEST UPDATE
2025
which is a correct statement concerning light waves that are less than 20 feet from
their source? - ANSWER they are considered diverging
what is the range of visible wavelengths the human eye is sensitive to ? -
ANSWER 380-760nm
which of the following occurs to the greatest degree when light encounters a lens
surface? - ANSWER transmitted
How much light does a 1.49 index lens reflect? - ANSWER 8.1%
On what optical characteristic are AR treatments based upon? - ANSWER
destructive interference
which type of glare does AR treatment eliminate? - ANSWER distracting
what type(s) of UV radiation cause sunburn? - ANSWER UVA and UVB
a superficial and painful inflammation of the cornea is known as _____ -
ANSWER photokeratitis
, which of the following is the third leading cause of blindness worldwide? -
ANSWER ARMD
which of the following is mostly absorbed by the crystalline lens of the eye? -
ANSWER UVA
how much UV radiation passes through a childs crystalline lens to the retina? -
ANSWER 75%
the color which provides excellent contrast and improves vision acuity and depth
perception is: - ANSWER gray
the color which provides high contrast and filters out the blue light and is worn for
shooting sports? - ANSWER yellow
another term that might be used for eyewear "wants" is _____ - ANSWER
desires
where do fashion trends in modern eyewear usually come from? - ANSWER
retail strongholds like apparel
all of the following frame materials are hypoallergenic EXCEPT: - ANSWER
monel
according to the text, a _____ is something that springs into our culture and
disappears almost as quickly after some short period of time. - ANSWER trend
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