NAO TEST 4 Exam Questions and Answers
Questions and Guide Answers
100% Verified Graded A+
1. which is a correct statement concerning light waves that are less than 20
feet from their source?
Answer: they are considered diverging
2. what is the range of visible wavelengths the human eye is sensitive to
?
Answer: 380-760nm
3. which of the following occurs to the greatest degree when light encounters a
lens surface?
Answer: transmitted
4. How much light does a 1.49 index lens reflect?
Answer: 8.1%
,5. On what optical characteristic are AR treatments based upon?
Answer: destructive inter- ference
6. which type of glare does AR treatment eliminate?
Answer: distracting
7. what type(s) of UV radiation cause sunburn?
Answer: UVA and UVB
8. a superficial and painful inflammation of the cornea is known as
Answer: pho- tokeratitis
9. which of the following is the third leading cause of blindness worldwide?
Answer: -
ARMD
10. which of the following is mostly absorbed by the crystalline lens of the
eye?
Answer: UVA
11. how much UV radiation passes through a childs crystalline lens to the
retina?
Answer: 75%
12. the color which provides excellent contrast and improves vision acuity and
, depth perception is
Answer: gray
13. the color which provides high contrast and filters out the blue light and is
worn for shooting sports?
Answer: yellow
14. another term that might be used for eyewear "wants" is
Answer: desires
15. where do fashion trends in modern eyewear usually come from?
Answer: retail strong- holds like apparel
16. all of the following frame materials are hypoallergenic EXCEPT
Answer: monel
17. 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
18. what two factors primarily drive technical eyewear trends?
Answer: consumer needs and wants, and technologys ability to produce the product
19. HIPAA is the acronym for the of 1996
Answer: Health Insurance Portability and Accountability
Questions and Guide Answers
100% Verified Graded A+
1. which is a correct statement concerning light waves that are less than 20
feet from their source?
Answer: they are considered diverging
2. what is the range of visible wavelengths the human eye is sensitive to
?
Answer: 380-760nm
3. which of the following occurs to the greatest degree when light encounters a
lens surface?
Answer: transmitted
4. How much light does a 1.49 index lens reflect?
Answer: 8.1%
,5. On what optical characteristic are AR treatments based upon?
Answer: destructive inter- ference
6. which type of glare does AR treatment eliminate?
Answer: distracting
7. what type(s) of UV radiation cause sunburn?
Answer: UVA and UVB
8. a superficial and painful inflammation of the cornea is known as
Answer: pho- tokeratitis
9. which of the following is the third leading cause of blindness worldwide?
Answer: -
ARMD
10. which of the following is mostly absorbed by the crystalline lens of the
eye?
Answer: UVA
11. how much UV radiation passes through a childs crystalline lens to the
retina?
Answer: 75%
12. the color which provides excellent contrast and improves vision acuity and
, depth perception is
Answer: gray
13. the color which provides high contrast and filters out the blue light and is
worn for shooting sports?
Answer: yellow
14. another term that might be used for eyewear "wants" is
Answer: desires
15. where do fashion trends in modern eyewear usually come from?
Answer: retail strong- holds like apparel
16. all of the following frame materials are hypoallergenic EXCEPT
Answer: monel
17. 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
18. what two factors primarily drive technical eyewear trends?
Answer: consumer needs and wants, and technologys ability to produce the product
19. HIPAA is the acronym for the of 1996
Answer: Health Insurance Portability and Accountability
