NAO TEST 4 ACTUAL EXAM 2026 100
QUESTIONS AND ANSWERS WITH
VERIFIED SOLUTIONS GRADED A+
⩥ 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
QUESTIONS AND ANSWERS WITH
VERIFIED SOLUTIONS GRADED A+
⩥ 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
