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NAO TEST 4 questions with verified answers
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NAO TEST 4 questions with verified answers
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NAO TEST 4 questions with verifiedanswers
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
according to the text, a _____ is something that springs into our culture and disappears almost as quickly
after some short period of time. - correct answer ✔✔trend
what two factors primarily drive technical eyewear trends? - correct answer ✔✔consumer needs and
wants, and technologys ability to produce the product
HIPAA is the acronym for the _____of 1996 - correct answer ✔✔Health Insurance Portability and
Accountability
being compliant with HIPAA requires - correct answer ✔✔all the above - improving the efficiency of
health care delivery by standardizing the electronic data exchange, protecting the privacy of health care
information by setting standards for privacy and security of individually identifiable info, empowering
patients with new rights related to their individual identifiable health info
_____the amount of reflection of each surface of CR-39 lenses is approximately _____ - correct answer
✔✔4%
the absorption of light in lenses is classified by two variables. what are they? - correct answer ✔✔tint,
and lens transmission
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