CPO Test PDF: Practice Questions and Answers

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CPO TEST EXAM | QUESTIONS AND ANSWERS | VERIFIED AND
WELL DETAILED ANSWERS | LATEST EXAM


What is the purpose of Corneal Topography? - CORRECT ANSWER - Screen
pt. before refractive surgery & diagnose refractive disorders & diseases


Subjective Refraction - CORRECT ANSWER - Uses the pt. responses to
determine the best lens correction


Anterior Chamber - CORRECT ANSWER - Area inside the eye behind the
cornea & in front of the iris


Arcades - CORRECT ANSWER - Normal pattern of retinal blood vessels as
they leave the optic nerve head & arch around the macula


Just In Time (JIT) - CORRECT ANSWER - Strategy to improve business
return on investment by creating a new plan to obtain better return, while
reducing inventory & cost


Optical Coherence Tomography (OCT) - CORRECT ANSWER - Laser-based,
non-contact, non-invasive imaging technique


Axis - CORRECT ANSWER - Positioning of the astigmatism which can be
anywhere from 1 to 180 degrees. Last number that is listed in the pt. eye glass
or CL RX.


What is the easiest lens material to break? - CORRECT ANSWER - Glass


What can be used to facilitate the bending of frames? - CORRECT ANSWER
- 1. Salt Pan
2. Frame warmer




10/13/2026,
10/13/2026,
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,10/13/2026,
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Protected Health Information (PHI) - CORRECT ANSWER - Any information
about health status, provision of health care, or payment for health care that can
be linked to an individual. This is interpreted rather broadly & includes any part
of a patient's medical record or payment history.


What is the purpose of UV coatings? - CORRECT ANSWER - Protect the eye
from damaging UV light indoors & outdoors


Seg Height - CORRECT ANSWER - Height of the reading portion of a multi-
focal lens as measured from the deepest part of the eye-wire to a reference
point, such as the lower eyelid or pupil center.


Convex or converging lenses are also... - CORRECT ANSWER - plus lenses
which are used to correct farsightedness. Increase refraction, reduce focal length
(+ focal length)


Concave lenses are also... - CORRECT ANSWER - negative lenses which are
used to correct nearsightedness or myopia. (- focal length)


What is the light sensitive part of the eye? - CORRECT ANSWER - Retina


Trifocal Lens - CORRECT ANSWER - A lens that has three different powers:
one for correcting distance vision, one for correcting intermediate range of
sight, and one for correcting near vision


Macula - CORRECT ANSWER - area of around the fovea that is responsible
for seeing detail


What do anesthetic drugs do? - CORRECT ANSWER - Cause temporary
deadening of the nerve, which results in a loss of feeling in the surr. area.




10/13/2026,
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Eyewire - CORRECT ANSWER - Part of the frame (rim) that surr. the lens &
holds it in place


PMMA stands for... - CORRECT ANSWER - polymethylmethacrylate


Retroscopic Angle - CORRECT ANSWER - Name give to the angle the
temple makes w/ the frame front when the bottom eye wire may be positioned
away from the cheek


What is another word for retroscopic angle? - CORRECT ANSWER - Tilt


What is the benefit of biomicroscopy? - CORRECT ANSWER - Provides
highly magnified view of structure of the eye, lids & lashes


What are some of the treatments for dry eye? - CORRECT ANSWER - 1.
Artificial Tears
2. Lubricants


Corneal Edema - CORRECT ANSWER - When water is retained & swelling
occurs in the cornea


Accounting provides.. - CORRECT ANSWER - quantitative information
about finances


Cones - CORRECT ANSWER - the photoreceptors that provide color vision


Conventional daily wear lenses are - CORRECT ANSWER - applied after
waking & removed before going to sleep




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10/13/2026,
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