ODP Spectacle Final Exam Questions and Answers All Correct
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ODP Spectacle
ODP Spectacle Final Exam Questions and Answers All Correct
When would a frontal angle be seen? - Answer-While observing the nose from the front
What is one possible reason to use a material that naturally creates more power? - Answer-To create a flatter curve
The conjunctiva is considered: -...
ODP Spectacle Final Exam
Questions and Answers All
Correct
When would a frontal angle be seen? - Answer-While observing the nose from the front
What is one possible reason to use a material that naturally creates more power? -
Answer-To create a flatter curve
The conjunctiva is considered: - Answer-A mucous membrane
A patient who enjoys archery often finds that the target seems difficult to see clearly.
What tint added to his spectacles may help this situation? - Answer-Yellow
Which tool will be used to adjust a plastic Zyl frame that needs to be tightened behind
the patient's ears? - Answer-Frame warmer
When a patient has a cornea with two curves and the image is formed partly on the
retina and partly in front of the retina, the patient has ____________ astigmatism. -
Answer-Simple myopic
Which refractive error results in part of the image in front of the retina and part behind
the retina? - Answer-Mixed astigmatism
What should be part of the eyewear dispensing process? - Answer-Inviting the patient
back for adjustments and repairs
DBL is mostly correctly defined as: - Answer-Distance between lenses
What type of optical material will disperse light? - Answer-All materials with non-parallel
sides
Define FVD: - Answer-Fitted vertex distance
A 5 year old child has been prescribed his first eyeglasses prescription. The prescription
is +5.00 OU. What is one piece of advice the optician can give to the child's parents? -
Answer-The child will likely show signs of adapting to the prescription such as wanting
to take them off in the beginning.
How is a monocular PD usually recorded? - Answer-R/L, such as 32/33
, In addition to their inventory of microscopes and telescopes, for what was Bausch &
Lomb well known? - Answer-Hard rubber frames
Why would an optician split prism? - 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? - Answer-+4.00 and +3.00
What is the relationship between diopter and focal length? - Answer-When one
increases, the other decreases.
Donating to the Lion's Club is an example of: - 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? - Answer-0.8 total
BO
What is the power of a lens that has a focal length of 50 cm? - Answer-2.00 D
To test a lens using the drop ball test, what is commonly used? - Answer-A 5/8-inch
steel ball
When is vertex distance compensation mandatory? - 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? - Answer--3.00
What are the true powers of this prescription? -5.00 -0.50 x 90 - 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? - 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? - 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? - Answer-+6.00
*When measuring a frame to determine lens MBS, what is possible? - Answer-ED could
be diagonal
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