JCAHPO COMT (CERTIFIED
OPHTHALMIC MEDICAL
TECHNOLOGIST) NEWEST EXAM 2025
STUDYGUIDE QUESTIONS AND
DETAILED CORRECT ANSWERS | A+
GRADE
What occurs at the near point of convergence as a fixation
object is brought closer to the bridge of the nose Correct
Answer Non-dominant eye swings laterally
What condition creates dissociated vertical deviations
Correct Answer Esotropia
What is the term for the movement of the yoke muscles?
Correct Answer Conjugate
Where is the problem located regarding amblyopia?
Correct Answer The brain
The primary and secondary actions of the inferior oblique
muscle are? Correct Answer Extorsion, elevation and
abduction
The patient has NLP OS, 20/20 OD and cosmetically
disfiguring strabismus. The deviation is typically measured
by utilizing a..? Correct Answer Krimsky test
,What binocular function test is LEAST dissociative in
determining the presence of anomalous retinal
correspondence? Correct Answer Bagolini striated-glass
test
Over which eye is the prism generally placed when
performing a Krimsky test? Correct Answer In front of the
straight eye
What prism describes the MOST accurate end point
during a prism cover test? Correct Answer The prism that
stops movement before reversal
What does the worth 4-dot test measure? Correct Answer
Sensory function
The muscles that causes the right eye to abduct is the?
Correct Answer Right lateral rectus
The Bielschowsky head tilt test is used to detect? Correct
Answer A weak vertical extraocular muscle
The principle action of the inferior oblique in primary gaze
is? Correct Answer Extorsion
Which eye disorder displays symptoms of dizziness,
balance problems, nausea, and ringing in the ears?
Correct Answer Vestibular nystagmus
What is measured in centimeters? Correct Answer Near
point convergence
, The BEST measurement for a deviation with good fixation
is the? Correct Answer Prism alternate cover test
What is result if the distance between optical centers of
spectacles with minus lenses is greater than the
interpupillary distance? Correct Answer Induced prism
base in
If a spectacle rx is +4.00 Sph OU and the optical centers
are displaced 2.5mm temporally, what is the total amount
of induced prism? Correct Answer 2pd BO
What is the term for a slightly downward tilt of spectacles
to aid in the rotation of the eyes from distance reading?
Correct Answer Pantoscopic
What characteristics comprise a prism Correct Answer
Power and base orientation
In lensometry, first the single line comes to focus at plano
and then the triple lines come into focus at -2.00 with the
axis at 90 degrees. What is the lens power? Correct
Answer -2.00 + 2.00 x 180
What is the formula used to calculate induced prism in a
spectacle lens, in which the optical center is displaced?
Correct Answer Prentice's rule
The base curve of a spectacle is measured using what?
Correct Answer A lens clock
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