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JCAHPO COA EXAM NEWEST ACTUAL EXAM QUESTIONS AND DETAILED CORRECT ANSWERS | A+ GRADE STUDYGUIDE
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JCAHPO COA EXAM NEWEST ACTUAL EXAM QUESTIONS AND DETAILED CORRECT ANSWERS | A+ GRADE STUDYGUIDE
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JCAHPO COA EXAM NEWEST ACTUALEXAM QUESTIONS AND DETAILED
CORRECT ANSWERS | A+ GRADE
STUDYGUIDE 2024-2025
While assessing the patient's pupil size in ambient lighting,
you notice the pupils alternately become larger and
smaller than larger again understudy illumination. This is
a. An APD
b. Normal
c. Evidence of the accommodative triad
d. An Adie's pupil Correct Answer b. Normal
Normal pupils
a. Are >1 mm different in size
b. May have a latent response in one eye and brisk
response in the other
c. Are different sizes in the dark and light
d. Dilate when a light is shined in them Correct Answer c.
Are different sizes in the dark and light
The amount of contraction and radiation of a pupil
depends on
a. The amount of ambient room light
b. Whether Hippus is present
c. The brightness of test light
d. A & C
e. B & C Correct Answer d. A & C
,Accommodation, Convergence, and Pupillary Constriction
are evidence of
a. Light Near Dissociation
b. The Near Flex Triad
c. Absent Light Reflex
d. APD Correct Answer b. The Near Flex Triad
An Afferent Pupillary Defect
a. Only occurs in eyes that have been subject to trauma
b. Is sometimes a sign of an underlying disorder
c. Is a sign of a Cranial Nerve Palsy
d. Can be detected with only one reactive pupil Correct
Answer c. Is a sign of a Cranial Nerve Palsy
APD can occur in
a. Normal eyes
b. Strabismus
c. Bilateral optic nerve disease
d. Optic Neuritis Correct Answer d. Optic Neuritis
Anisocoria without ptosis suggests
a. Siderosis Bulbi
b. Adie's pupil
c. Horner's Syndrome
d. Third Cranial Nerve Palsy Correct Answer b. Adie's
pupil
IOL Master Keratometry
a. Displays steeper K in warm colours and flatter K in cool
colours
b. Uses the front surface of the K as a mirror
,c. Is more accurate than a traditional keratometer
d. Is a subjective measurement Correct Answer c. Is more
accurate than a traditional keratometer
K readings of 42.75/45.25 x 180 indicate
a. 2.5D of astigmatism
b. Myopia
c. A high sagittal height
d. A cornea that's been altered by LASIK Correct Answer
a. 2.5D of astigmatism
With the Rule Astigmatism
a. Can only be measured by a corneal topographer
b. Indicates keratoconus
c. Occurs when the vertical K is steeper than horizontal K
d. Occurs when the back surface of the contact lens is the
same radius as K Correct Answer c. Occurs when the
vertical K is steeper than horizontal K
Assuming the diameter remains unchanged, the smaller
the BC, the
a. Higher the sagittal height of the CL
b. Lower the sagittal height of the CL
c. Steeper the lens
d. Flatter the lens
e. A & C
f. B & D Correct Answer e. A & C
If the radius of a contact lens is same but the diameter is
increased
a. The lens becomes flatter
, b. The lens becomes steeper
c. There is no effect on the height of the lens
d. Not enough information is given to answer Correct
Answer b. The lens becomes steeper
A Toric contact lens has
a. A higher sagittal height than a RGP
b. Scribe marks
c. A central corneal curvature that's flatter than the
periphery
d. PD indicators
e. All of the above Correct Answer b. Scribe marks
An ultrasonic transducer measures
a. Contact lens thickness
b. Contact lens height
c. Contact lens base curve
d. All of the above Correct Answer d. All of the above
Contact lens spherical aberration can be measured by
a. Wavefront Aberrometry
b. A lensmeter
c. A transducer
d. A lens clock Correct Answer a. Wavefront Aberrometry
All of the following are important for contact lens wearers
except
a. That they have instruction on insertion and removal
b. That they have regular eye exams
c. That they do not have cataracts
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