NOCE PRACTICE TEST EXAMS WITH
CORRECT ACTUAL ANSWERS
1. Center the MRP's, noting any deviations on the weaker lens that my
constitute vertical imbalance, then read the distance and near powers
in the circles, noting any deviations outside of tolerances, and finally
remove the glasses and measure PD's and heights. - ANSWER-When
verifying a finished pair of progressive-addition lenses at the
lensometer, you have identified the stronger point. What are the next
steps to take and why?
a. Read the distance powers in the distance circle, noting any
deviations that may be outside of tolerances, then remove the
glasses from the lensometer and measure PD's and height
b. Read the distance powers in the distance circle, read the add
powers, noting any deviations that ma be outside of tolerances,
then remove the glasses and measure PD's and heights
c. Center the MRP's, reading the powers and noting any deviations
that may be outside of tolerances, the remove the glasses and
measure PD's and heights
d. Center the MRP's, noting any deviations on the weaker lens that
my constitute vertical imbalance, then read the distance and
near powers in the circles, noting any deviations outside of
tolerances, and finally remove the glasses and measure PD's and
heights.
2. When verifying prescribed prism - ANSWER-When is it necessary to
know the drop and inset of a flat-top bifocal?
a. When verifying prescribed prism
b. When ordering for a sensitive person
c. When measuring a patient's fitting height
d. When reading the add power
3. Making any adjustments as the material cools - ANSWER-What is the
most important thing to avoid when working with a frame made of
optyl?
a. Making any adjustments as the material cools
, b. Heating the frame in anyway
c. Getting the frame wet
d. Stretching the frame beyond its shape and size
4. Presbyopia - ANSWER-A 42 year old patient presents to you
complaining of her eyes being tired at the end of a day of staring at a
computer screen, and the patient is unable to read the paper after
dinner. What is most likely the problem?
a. Hyperopia
b. Presbyopia
c. Nystagmus
d. Phthisis
5. Palliative - ANSWER-What is a 1.5 diopter horizontal prism for a patient
with a mild esophoria known as?
a. Compound
b. Induced
c. Palliative
d. Slab-off
6. 1.2 diopters - ANSWER-a +4.00 lens intended to be positioned at PD of
30 mm was actually manufactured at 33 m. What is the amount of
prism induced by this error?
a. 12 diopters
b. 0.75 diopters
c. 1.33 diopters
d. 1.2 diopters
7. -1.00 +2.75 x063 - ANSWER-a prescription if +1.75 -2.75 x153 would
be written in what way by an ophthalmologist?
a. +4.00 +2.75 x063
b. -1.00 +2.75 x063
c. -1.00 +2.75 x153
d. -2.75 +1.75 x153
,8. +0.50 -1.75 x020 - ANSWER-A prescription is written as follows: OD -
1.25 +1.75 x110. What transposed prescription would be written on
the lab order?
a. -3.00 -1.75 x110
b. +0.50 -1.75 x110
c. Plano +1/75 x030
d. +0.50 -1.75 x020
9. Diopters - ANSWER-What strength is a lens measured in?
a. Microns
b. Add power
c. Diopters
d. Prisms
10. Converge - ANSWER-What will light rays passing through a "plus"
lens always do?
a. Diverge
b. Converge
c. Cohere
d. Disperse
11. Refraction - ANSWER-What is the principle action on light passing
from one medium into another of different density called?
a. Displacement
b. Convergence
c. Diffraction
d. Refraction
12. 290 nanometers to 320 nanometers - ANSWER-What range of UV
light is typically responsible for sunburns?
a. 10 nanometers to 100 nanometers
b. 320 nanometers to 400 nanometers
c. 100 nanometers to 290 nanometers
d. 290 nanometers to 320 nanometers
, 13. Focal length - ANSWER-what is the measure of how far it takes a
lens to bring light to a point?
a. Focal length
b. Major axis
c. Power
d. Base curve
14. Vertex distance - ANSWER-What is the spacing between the
surface if the eye and the inside surface of a corrective lens known as?
a. Sagittal depth
b. Fitting cross
c. Seg drop
d. Vertex distance
15. Sphere - ANSWER-What element of an eyeglass prescription is a
measure of the patient's myopia or hyperopia?
a. Cylinder
b. Axis
c. Sphere
d. Add power
16. Plus-cylinder and minus-cylinder - ANSWER-What are the two
modern form in which a prescription may be written in?
a. Plus-cylinder and minus-cylinder
b. Cross-cylinder and plus-cylinder
c. Spherical and aspherical
d. Base curve and cross curve
17. presbyopia - ANSWER-A prescription of OD -0.25, OS Plano, add
+1.75 is primarily indicating what type of f refractive error?
a. Hyperopia
b. presbyopia
c. Stigmatism
d. Nystagmus
CORRECT ACTUAL ANSWERS
1. Center the MRP's, noting any deviations on the weaker lens that my
constitute vertical imbalance, then read the distance and near powers
in the circles, noting any deviations outside of tolerances, and finally
remove the glasses and measure PD's and heights. - ANSWER-When
verifying a finished pair of progressive-addition lenses at the
lensometer, you have identified the stronger point. What are the next
steps to take and why?
a. Read the distance powers in the distance circle, noting any
deviations that may be outside of tolerances, then remove the
glasses from the lensometer and measure PD's and height
b. Read the distance powers in the distance circle, read the add
powers, noting any deviations that ma be outside of tolerances,
then remove the glasses and measure PD's and heights
c. Center the MRP's, reading the powers and noting any deviations
that may be outside of tolerances, the remove the glasses and
measure PD's and heights
d. Center the MRP's, noting any deviations on the weaker lens that
my constitute vertical imbalance, then read the distance and
near powers in the circles, noting any deviations outside of
tolerances, and finally remove the glasses and measure PD's and
heights.
2. When verifying prescribed prism - ANSWER-When is it necessary to
know the drop and inset of a flat-top bifocal?
a. When verifying prescribed prism
b. When ordering for a sensitive person
c. When measuring a patient's fitting height
d. When reading the add power
3. Making any adjustments as the material cools - ANSWER-What is the
most important thing to avoid when working with a frame made of
optyl?
a. Making any adjustments as the material cools
, b. Heating the frame in anyway
c. Getting the frame wet
d. Stretching the frame beyond its shape and size
4. Presbyopia - ANSWER-A 42 year old patient presents to you
complaining of her eyes being tired at the end of a day of staring at a
computer screen, and the patient is unable to read the paper after
dinner. What is most likely the problem?
a. Hyperopia
b. Presbyopia
c. Nystagmus
d. Phthisis
5. Palliative - ANSWER-What is a 1.5 diopter horizontal prism for a patient
with a mild esophoria known as?
a. Compound
b. Induced
c. Palliative
d. Slab-off
6. 1.2 diopters - ANSWER-a +4.00 lens intended to be positioned at PD of
30 mm was actually manufactured at 33 m. What is the amount of
prism induced by this error?
a. 12 diopters
b. 0.75 diopters
c. 1.33 diopters
d. 1.2 diopters
7. -1.00 +2.75 x063 - ANSWER-a prescription if +1.75 -2.75 x153 would
be written in what way by an ophthalmologist?
a. +4.00 +2.75 x063
b. -1.00 +2.75 x063
c. -1.00 +2.75 x153
d. -2.75 +1.75 x153
,8. +0.50 -1.75 x020 - ANSWER-A prescription is written as follows: OD -
1.25 +1.75 x110. What transposed prescription would be written on
the lab order?
a. -3.00 -1.75 x110
b. +0.50 -1.75 x110
c. Plano +1/75 x030
d. +0.50 -1.75 x020
9. Diopters - ANSWER-What strength is a lens measured in?
a. Microns
b. Add power
c. Diopters
d. Prisms
10. Converge - ANSWER-What will light rays passing through a "plus"
lens always do?
a. Diverge
b. Converge
c. Cohere
d. Disperse
11. Refraction - ANSWER-What is the principle action on light passing
from one medium into another of different density called?
a. Displacement
b. Convergence
c. Diffraction
d. Refraction
12. 290 nanometers to 320 nanometers - ANSWER-What range of UV
light is typically responsible for sunburns?
a. 10 nanometers to 100 nanometers
b. 320 nanometers to 400 nanometers
c. 100 nanometers to 290 nanometers
d. 290 nanometers to 320 nanometers
, 13. Focal length - ANSWER-what is the measure of how far it takes a
lens to bring light to a point?
a. Focal length
b. Major axis
c. Power
d. Base curve
14. Vertex distance - ANSWER-What is the spacing between the
surface if the eye and the inside surface of a corrective lens known as?
a. Sagittal depth
b. Fitting cross
c. Seg drop
d. Vertex distance
15. Sphere - ANSWER-What element of an eyeglass prescription is a
measure of the patient's myopia or hyperopia?
a. Cylinder
b. Axis
c. Sphere
d. Add power
16. Plus-cylinder and minus-cylinder - ANSWER-What are the two
modern form in which a prescription may be written in?
a. Plus-cylinder and minus-cylinder
b. Cross-cylinder and plus-cylinder
c. Spherical and aspherical
d. Base curve and cross curve
17. presbyopia - ANSWER-A prescription of OD -0.25, OS Plano, add
+1.75 is primarily indicating what type of f refractive error?
a. Hyperopia
b. presbyopia
c. Stigmatism
d. Nystagmus
