ODP: Spectacle Final Exam UPDATED
ACTUAL Exam Questions and CORRECT
Answers
Why would an optician split prism? - CORRECT ANSWER - To achieve a more balanced
appearance.
The front curve of a lens is +7.00, the back curves of this lens are -3.00 and -4.00. What are the
true powers? - CORRECT ANSWER - +4.00 and +3.00
What is the relationship between diopter and focal length? - CORRECT ANSWER - When
one increases, the other decreases.
Donating to the Lion's Club is an example of: - CORRECT ANSWER - Waste
management
A patient's PD was mistakenly noted to be 62 mm when the actual measurement is 66 mm. If the
power of the lenses are -2.00 diopters in each eye, how much prism will be induced in the
finished spectacles and in which direction is the base? - CORRECT ANSWER - 0.8 total
BO
What is the power of a lens that has a focal length of 50 cm? - CORRECT ANSWER -
2.00 D
To test a lens using the drop ball test, what is commonly used? - CORRECT ANSWER -A
5/8-inch steel ball
When is vertex distance compensation mandatory? - CORRECT ANSWER - For a
spectacle lens Rx over +/-7.00 diopters
, A lens has a base curve that has a focal length of 40 inches, and an ocular curve with a focal
length of 10 inches. What is the diopter power of this lens? - CORRECT ANSWER - -3.00
What are the true powers of this prescription? -5.00 -0.50 x 90 - CORRECT ANSWER --
5.00 @ 090 and -5.50 @ 180
An elderly lady can no longer read her favorite mystery novels with ease. What is an added value
step to take for this patient? - CORRECT ANSWER - Demonstrate a floor stand type of
magnifier that will allow enlarged viewing while making it easy to turn the pages.
What will surround and hold lenses in place? - CORRECT ANSWER - The eyewire
Using the Rule of Thumb corrected base curve theory, what would be the base curve for a +2.00
-1.00 x 180 lens? - CORRECT ANSWER - +6.00
*When measuring a frame to determine lens MBS, what is possible? - CORRECT
ANSWER - ED could be diagonal
How will moving a -5.00 diopter lens 10.00 mm closer to the eye affect the patient? - CORRECT
ANSWER - The lens will be 0.50 D too strong and the patient may experience undefined
discomfort
What is shrikage? - CORRECT ANSWER - Inventory that is not accounted for physically,
but shows up in the inventory report
What entity regulates the use and disclosure of private health information? - CORRECT
ANSWER - HIPPA
This is the "B" measurement: - CORRECT ANSWER - Vertical measurement of box
enclosing lens area
ACTUAL Exam Questions and CORRECT
Answers
Why would an optician split prism? - CORRECT ANSWER - To achieve a more balanced
appearance.
The front curve of a lens is +7.00, the back curves of this lens are -3.00 and -4.00. What are the
true powers? - CORRECT ANSWER - +4.00 and +3.00
What is the relationship between diopter and focal length? - CORRECT ANSWER - When
one increases, the other decreases.
Donating to the Lion's Club is an example of: - CORRECT ANSWER - Waste
management
A patient's PD was mistakenly noted to be 62 mm when the actual measurement is 66 mm. If the
power of the lenses are -2.00 diopters in each eye, how much prism will be induced in the
finished spectacles and in which direction is the base? - CORRECT ANSWER - 0.8 total
BO
What is the power of a lens that has a focal length of 50 cm? - CORRECT ANSWER -
2.00 D
To test a lens using the drop ball test, what is commonly used? - CORRECT ANSWER -A
5/8-inch steel ball
When is vertex distance compensation mandatory? - CORRECT ANSWER - For a
spectacle lens Rx over +/-7.00 diopters
, A lens has a base curve that has a focal length of 40 inches, and an ocular curve with a focal
length of 10 inches. What is the diopter power of this lens? - CORRECT ANSWER - -3.00
What are the true powers of this prescription? -5.00 -0.50 x 90 - CORRECT ANSWER --
5.00 @ 090 and -5.50 @ 180
An elderly lady can no longer read her favorite mystery novels with ease. What is an added value
step to take for this patient? - CORRECT ANSWER - Demonstrate a floor stand type of
magnifier that will allow enlarged viewing while making it easy to turn the pages.
What will surround and hold lenses in place? - CORRECT ANSWER - The eyewire
Using the Rule of Thumb corrected base curve theory, what would be the base curve for a +2.00
-1.00 x 180 lens? - CORRECT ANSWER - +6.00
*When measuring a frame to determine lens MBS, what is possible? - CORRECT
ANSWER - ED could be diagonal
How will moving a -5.00 diopter lens 10.00 mm closer to the eye affect the patient? - CORRECT
ANSWER - The lens will be 0.50 D too strong and the patient may experience undefined
discomfort
What is shrikage? - CORRECT ANSWER - Inventory that is not accounted for physically,
but shows up in the inventory report
What entity regulates the use and disclosure of private health information? - CORRECT
ANSWER - HIPPA
This is the "B" measurement: - CORRECT ANSWER - Vertical measurement of box
enclosing lens area
