ABO NCLE Exam ACTUAL UPDATED QUESTIONS AND CORRECT
ANSWERS
A condition of the eye in which light focuses in front of Myopia
the retina. Caused by either the eye being too strong or
the globe of the eye being too long
, Difficulty accommodating* due to the crystalline lens Presbyopia
becoming less elastic.
Around what wavelenght of light is thought to cause 460 nm
cataracts
Axis pliers are meant to do what Turn and rotate a lens
Cr39 Index and abbe Index 1.49 Abbe 59
Crown glass index and abbe Index 1.523 Abbe 60
Trivex Index and abbe Index 1.54 Abbe 43-45
Polycarbanate index and abbe Index 1.58 Abbe 30
Hight index 1.60- 1.67 index and abbe 1.6 abbe 36, 1.67 abbe 32
Ultra high index 1.70- 1.7.4 index and abbe 1.7 abbe 36, 1.74 abbe 33
If somone chose a pair of lenses to put in a frame for ASTM
primary sports use what orginazation would have
checked the safety of the lenses
What indication on a frame or glass indicates a pair of ANSI Z87.1
saftey glasses
how thick does a lens from a pair of safety glasses have 3 mm thick or on a perscription higher than +3 at its thinest part needs to be 2 mm
to be
Where is the concentric circles in a lensometer ? Within the recticle
What is a distometer used for? Measuring vertex distance between the front of the eye and the back of the lens
What is a phoropter used for ? measures the eye's refractive error to help determine and eye prescription
What is a poalriscope used for? it measures internal stress within lens
A condition of the eye in which light rays are focused Hyperopia
behind the retina Caused by the eye being too weak or
the globe of the eye being too short
A condition where the eyes have unequal refractive Anisometropia
power, greater than 1 diopter.
A condtion where the two eyes have opposite signs. One Antimetropia
eye is Hyperopic and the other eye is Myopic.
ANSI standards for horizonal prism 0.66△
ANSWERS
A condition of the eye in which light focuses in front of Myopia
the retina. Caused by either the eye being too strong or
the globe of the eye being too long
, Difficulty accommodating* due to the crystalline lens Presbyopia
becoming less elastic.
Around what wavelenght of light is thought to cause 460 nm
cataracts
Axis pliers are meant to do what Turn and rotate a lens
Cr39 Index and abbe Index 1.49 Abbe 59
Crown glass index and abbe Index 1.523 Abbe 60
Trivex Index and abbe Index 1.54 Abbe 43-45
Polycarbanate index and abbe Index 1.58 Abbe 30
Hight index 1.60- 1.67 index and abbe 1.6 abbe 36, 1.67 abbe 32
Ultra high index 1.70- 1.7.4 index and abbe 1.7 abbe 36, 1.74 abbe 33
If somone chose a pair of lenses to put in a frame for ASTM
primary sports use what orginazation would have
checked the safety of the lenses
What indication on a frame or glass indicates a pair of ANSI Z87.1
saftey glasses
how thick does a lens from a pair of safety glasses have 3 mm thick or on a perscription higher than +3 at its thinest part needs to be 2 mm
to be
Where is the concentric circles in a lensometer ? Within the recticle
What is a distometer used for? Measuring vertex distance between the front of the eye and the back of the lens
What is a phoropter used for ? measures the eye's refractive error to help determine and eye prescription
What is a poalriscope used for? it measures internal stress within lens
A condition of the eye in which light rays are focused Hyperopia
behind the retina Caused by the eye being too weak or
the globe of the eye being too short
A condition where the eyes have unequal refractive Anisometropia
power, greater than 1 diopter.
A condtion where the two eyes have opposite signs. One Antimetropia
eye is Hyperopic and the other eye is Myopic.
ANSI standards for horizonal prism 0.66△
