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ABO NCLE EXAM LATEST UPDATE ACTUAL EXAM WITH COMPLETE QUESTIONS AND DETAILED ANSWERS FROM A VERIFIED SOURCE ALREADY GRADED A+| 100% GUARANTEED PASS$17.99
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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 - ANSWER-Myopia
Difficulty accommodating* due to the crystalline lens becoming less elastic. - ANSWER-Presbyopia
Around what wavelenght of light is thought to cause cataracts - ANSWER-460 nm
Axis pliers are meant to do what - ANSWER-Turn and rotate a lens
Cr39 Index and abbe - ANSWER-Index 1.49 Abbe 59
, Crown glass index and abbe - ANSWER-Index 1.523 Abbe 60
Trivex Index and abbe - ANSWER-Index 1.54 Abbe 43-45
Polcarbanate index and abbe - ANSWER-Index 1.58 Abbe 30
Hight index 1.60- 1.67 index and abbe - ANSWER-1.6 abbe 36, 1.67 abbe 32
Ultra high index 1.70- 1.7.4 index and abbe - 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 - ANSWER-ASTM
What indication on a frame or glass indicates a pair of saftey glasses - ANSWER-ANSI Z87.1
how thick does a lens from a pair of safety glasses have to be - 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 ? - ANSWER-Within the recticle
What is a distometer used for? - ANSWER-Measuring vertex distance between the front of the eye and
the back of the lens
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