Practice Assessment 2-ABO Exam
Comprehensive Questions (Frequently
Tested) with Verified Answers Graded A+
A -5.00 diopter lens decentered 2mm too far temporally creates - Answer: 1 Diopter of base in
Prism
A Patient steps into your dispensary for a frame adjustment. After careful inspection, you
determine that the right side of the frame is sitting high on the patient's face. To make the
necessary correcting adjustment, what should you do? - Answer: Bend the right temple upward
Which of the following is an advantage of Proprionate as a frame material - Answer: Propionate
is less sensitive to warm weather
Accommodation is defined as - Answer: The act of the crystalline lens changing its shape to
focus for objects at varying distance
If the right temple is angled out, this adjustment will - Answer: Bring the right side of the front
toward the right eye
When light entering the eye, without corrective lenses, comes to a focus in front of the retina,
the patient's refractive error is - Answer: Myopia
The nanometer range of visible light is generally regarded to be - Answer: 380nm-700nm
If the top of the front is pressing against the brow, the adjustment to correct the condition
would be - Answer: Lengthen the pad arms
,The Target cannot be perfectly centered with the lensometer. This indicates.... - Answer:
Aberration on the lens surface
The major disadvantage of titanium - Answer: Cost to manufacture
What material is lighter than titanium and can be used for designing frames without soldering
and welding? - Answer: Scandium
Function of the Lens Holder - Answer: to hold the lens in place against the lens stop
Multiple anti-reflective layers are necessary to... - Answer: include multiple light wavelengths
Another Name for the Focusing Screen of the Lensometer - Answer: Reticle
_____________provides nutrition for outer layers of retina - Answer: Choroid
A benefit inherent to polycarbonate as a material - Answer: low specific gravity
During Frame Adjustment, the front can be Lowered by - Answer: spreading the pads further
apart
A Set of Curve that will yield a +4.00 diopter power - Answer: +8.00 base curve/-4.00 back curve
Premium AR lenses transmit up to_________of light so patients see more clearly and
experience less fatigue - Answer: 99%
Plus lenses have a ________ - Answer: Real focal point
, If the right temple is angled up the effect on the frame, the resulting effect on the fit will be -
Answer: to lower the right side
A +2.00 diopter lens with an optical center decentered 5mm nasally from the patient's line of
sight will create - Answer: +1.00 diopter base in prism
The Category of lenses that are NOT exempt from drop ball testing - Answer: Aspheric
Formula used for determining prismatic imbalances - Answer: Prentice's Rule
The Formula which translates variables such as lenses and decantation into Prismatic Effect is
called - Answer: Prentice's Rule
The Thickness of an AR coating is measured in - Answer: Angstroms
A typical characteristic of a cellulose acetate frame - Answer: high resistance to impact
To relieve tension on both ears, a good adjustment would be - Answer: to lengthen both
temples
A +3.00 lens has the following prismatic effect at 10mm below the distance optical center -
Answer: 3.00 diopters base up
The Axis wheel is marked in degrees from - Answer: 1-180 degrees
When an Image is double reflected on both Surfaces of a Corrective lens - Answer: Phantom
Image
Comprehensive Questions (Frequently
Tested) with Verified Answers Graded A+
A -5.00 diopter lens decentered 2mm too far temporally creates - Answer: 1 Diopter of base in
Prism
A Patient steps into your dispensary for a frame adjustment. After careful inspection, you
determine that the right side of the frame is sitting high on the patient's face. To make the
necessary correcting adjustment, what should you do? - Answer: Bend the right temple upward
Which of the following is an advantage of Proprionate as a frame material - Answer: Propionate
is less sensitive to warm weather
Accommodation is defined as - Answer: The act of the crystalline lens changing its shape to
focus for objects at varying distance
If the right temple is angled out, this adjustment will - Answer: Bring the right side of the front
toward the right eye
When light entering the eye, without corrective lenses, comes to a focus in front of the retina,
the patient's refractive error is - Answer: Myopia
The nanometer range of visible light is generally regarded to be - Answer: 380nm-700nm
If the top of the front is pressing against the brow, the adjustment to correct the condition
would be - Answer: Lengthen the pad arms
,The Target cannot be perfectly centered with the lensometer. This indicates.... - Answer:
Aberration on the lens surface
The major disadvantage of titanium - Answer: Cost to manufacture
What material is lighter than titanium and can be used for designing frames without soldering
and welding? - Answer: Scandium
Function of the Lens Holder - Answer: to hold the lens in place against the lens stop
Multiple anti-reflective layers are necessary to... - Answer: include multiple light wavelengths
Another Name for the Focusing Screen of the Lensometer - Answer: Reticle
_____________provides nutrition for outer layers of retina - Answer: Choroid
A benefit inherent to polycarbonate as a material - Answer: low specific gravity
During Frame Adjustment, the front can be Lowered by - Answer: spreading the pads further
apart
A Set of Curve that will yield a +4.00 diopter power - Answer: +8.00 base curve/-4.00 back curve
Premium AR lenses transmit up to_________of light so patients see more clearly and
experience less fatigue - Answer: 99%
Plus lenses have a ________ - Answer: Real focal point
, If the right temple is angled up the effect on the frame, the resulting effect on the fit will be -
Answer: to lower the right side
A +2.00 diopter lens with an optical center decentered 5mm nasally from the patient's line of
sight will create - Answer: +1.00 diopter base in prism
The Category of lenses that are NOT exempt from drop ball testing - Answer: Aspheric
Formula used for determining prismatic imbalances - Answer: Prentice's Rule
The Formula which translates variables such as lenses and decantation into Prismatic Effect is
called - Answer: Prentice's Rule
The Thickness of an AR coating is measured in - Answer: Angstroms
A typical characteristic of a cellulose acetate frame - Answer: high resistance to impact
To relieve tension on both ears, a good adjustment would be - Answer: to lengthen both
temples
A +3.00 lens has the following prismatic effect at 10mm below the distance optical center -
Answer: 3.00 diopters base up
The Axis wheel is marked in degrees from - Answer: 1-180 degrees
When an Image is double reflected on both Surfaces of a Corrective lens - Answer: Phantom
Image
