ABO NCLE EXAM QUESTIONS WITH
CORRECT ANSWERS
A condition of the eye in which light focuses in front of the retina.
| | | | | | | | | | | | | |
Caused by either the eye being too strong or the globe of the eye being
| | | | | | | | | | | | | | |
too long - CORRECT ANSWER✔✔-Myopia
| | | |
Difficulty accommodating* due to the crystalline lens becoming less
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elastic. - CORRECT ANSWER✔✔-Presbyopia
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Around what wavelenght of light is thought to cause cataracts -
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CORRECT ANSWER✔✔-460 nm | |
Axis pliers are meant to do what - CORRECT ANSWER✔✔-Turn and
| | | | | | | | | | |
rotate a lens | |
Cr39 Index and abbe - CORRECT ANSWER✔✔-Index 1.49 Abbe 59
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Crown glass index and abbe - CORRECT ANSWER✔✔-Index 1.523 Abbe
| | | | | | | | | |
60
, Trivex Index and abbe - CORRECT ANSWER✔✔-Index 1.54 Abbe 43-45
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Polcarbanate index and abbe - CORRECT ANSWER✔✔-Index 1.58 Abbe
| | | | | | | | |
30
Hight index 1.60- 1.67 index and abbe - CORRECT ANSWER✔✔-1.6 abbe
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36, 1.67 abbe 32
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Ultra high index 1.70- 1.7.4 index and abbe - CORRECT ANSWER✔✔-1.7
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abbe 36, 1.74 abbe 33
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If somone chose a pair of lenses to put in a frame for primary sports use
| | | | | | | | | | | | | | | |
what orginazation would have checked the safety of the lenses -
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CORRECT ANSWER✔✔-ASTM |
What indication on a frame or glass indicates a pair of saftey glasses -
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CORRECT ANSWER✔✔-ANSI Z87.1 | |
how thick does a lens from a pair of safety glasses have to be - CORRECT
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ANSWER✔✔-3 mm thick or on a perscription higher than +3 at its
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thinest part needs to be 2 mm
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Where is the concentric circles in a lensometer ? - CORRECT
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ANSWER✔✔-Within the recticle | |
CORRECT ANSWERS
A condition of the eye in which light focuses in front of the retina.
| | | | | | | | | | | | | |
Caused by either the eye being too strong or the globe of the eye being
| | | | | | | | | | | | | | |
too long - CORRECT ANSWER✔✔-Myopia
| | | |
Difficulty accommodating* due to the crystalline lens becoming less
| | | | | | | | |
elastic. - CORRECT ANSWER✔✔-Presbyopia
| | |
Around what wavelenght of light is thought to cause cataracts -
| | | | | | | | | | |
CORRECT ANSWER✔✔-460 nm | |
Axis pliers are meant to do what - CORRECT ANSWER✔✔-Turn and
| | | | | | | | | | |
rotate a lens | |
Cr39 Index and abbe - CORRECT ANSWER✔✔-Index 1.49 Abbe 59
| | | | | | | | |
Crown glass index and abbe - CORRECT ANSWER✔✔-Index 1.523 Abbe
| | | | | | | | | |
60
, Trivex Index and abbe - CORRECT ANSWER✔✔-Index 1.54 Abbe 43-45
| | | | | | | | |
Polcarbanate index and abbe - CORRECT ANSWER✔✔-Index 1.58 Abbe
| | | | | | | | |
30
Hight index 1.60- 1.67 index and abbe - CORRECT ANSWER✔✔-1.6 abbe
| | | | | | | | | |
36, 1.67 abbe 32
| | | |
Ultra high index 1.70- 1.7.4 index and abbe - CORRECT ANSWER✔✔-1.7
| | | | | | | | | | |
abbe 36, 1.74 abbe 33
| | | |
If somone chose a pair of lenses to put in a frame for primary sports use
| | | | | | | | | | | | | | | |
what orginazation would have checked the safety of the lenses -
| | | | | | | | | | |
CORRECT ANSWER✔✔-ASTM |
What indication on a frame or glass indicates a pair of saftey glasses -
| | | | | | | | | | | | | |
CORRECT ANSWER✔✔-ANSI Z87.1 | |
how thick does a lens from a pair of safety glasses have to be - CORRECT
| | | | | | | | | | | | | | |
ANSWER✔✔-3 mm thick or on a perscription higher than +3 at its
| | | | | | | | | | | | |
thinest part needs to be 2 mm
| | | | | |
Where is the concentric circles in a lensometer ? - CORRECT
| | | | | | | | | | |
ANSWER✔✔-Within the recticle | |
