1
ABO NCLE EXAM QUESTIONS AND CORRECT
ANSWERS| ACCURATE REAL EXAM WITH
FREQUENTLY TESTED QUESTIONS AND
RATIONALE|ALREADY A GRADED|GUARANTEED
PASS|LATEST UPDATE 2024/2025.
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
, 2
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
What is a phoropter used for ? - (answer)measures the eye's refractive error to
help determine and eye prescription
What is a poalriscope used for? - (answer)it measures internal stress within lens
ABO NCLE EXAM QUESTIONS AND CORRECT
ANSWERS| ACCURATE REAL EXAM WITH
FREQUENTLY TESTED QUESTIONS AND
RATIONALE|ALREADY A GRADED|GUARANTEED
PASS|LATEST UPDATE 2024/2025.
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
, 2
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
What is a phoropter used for ? - (answer)measures the eye's refractive error to
help determine and eye prescription
What is a poalriscope used for? - (answer)it measures internal stress within lens
