COT EXAM QUESTIONS AND ANSWERS WITH
COMPLETE SOLUTIONS
A & V patterns are types of horizontal deviations that? Correct
Answers vary in up & down gaze
A 1.00 diopter prism bends light? Correct Answers 1 cm at a
distance of 1m from the prism
A 1.00 diopter spherical lens focuses light at? Correct Answers
1meter
A 2.00 diopter prism displaces an object 1cm at a distance of
what? Correct Answers 05 m
a 3 month old may be tested for amblyopia by any of the
following except? 25 diopter base in test, rating central, steady
and maintained preferential looking technique (PL) or visual
evoked potential (VEP)? Correct Answers rating central, steady
& maintained
a cataract lens that is ground with a smaller optical portion &
another carrier portion is called? Correct Answers a lenticular
lens
a college law student with low vision might benefit most from
using? Correct Answers a computerized low vision scanner
(CCTV)
a common characteristic of nerve filer layers does not include?
Correct Answers left homonymous hemianopsia
,a common deviation found following head trauma is? Correct
Answers bilateral SO palsy
a commonly used topical osmotic for the long-term treatment of
corneal edema is? Correct Answers sodium chloride drops or
ointment
A comparison of the speed of light in air to the speed of light
through substance is? Correct Answers IR (Snell's Law)
A compensatory head tilt is mot often adopted when the muscle
involved is? Correct Answers oblique muscle
a correcting lens is requied to test? Correct Answers on a pt by
pt basis
a disadvantage of the lenticular lens is? Correct Answers it is
not cosmeticaly pleasing
a disadvantage to use topical osmotic agents is? Correct
Answers ocular discomfort
a field with artificially contracted isopters & a larger than
normal blind spot could be caused by? Correct Answers slow
response time on the part of the pt
a full suprathreshold test would be appropriate for? Correct
Answers general screening
,a good camera lens system will? Correct Answers produce
sharp images on the film plane when properly focused
a gray scale printout for automated fields? Correct Answers
displays the threshold decibel measurements as a graphic display
of varying shades
a high myope will have a field that is? Correct Answers
expanded with a blind spot farther from fixation than normal
A lens has a focal length of 33cm what is its dioptic power?
Correct Answers 3 diopters
a magnifying glass with a power of 10x has a dioptic power of ?
Correct Answers 25
a normal screening test means that? Correct Answers the pt has
no field defect detectable by this thest
a notation of -2 on a point from a comparison printout means?
Correct Answers a los of 2 dB from the previous test to the
present
a phoria is exhibited when? Correct Answers fusion is disrupted
a point is not seen is represented on a grayscale by? Correct
Answers a black area
a press-on prism would be ideal for? Correct Answers a pt
gradually recovering from a palsy
, a pt might not respond to a suprathreshold stimuli why? Correct
Answers by chance
a pt taking plaquenil should have periodic visual field
examinations to check for? Correct Answers paracentral
scotoma
a pt whose prescription is inaccurate due to accommodation will
have to do what? Correct Answers accommodate in order to see
clearly when wearing the correction
a pt with a cataract probably will show evidence of what type of
refractive shift? Correct Answers increased myopia
A pt with fusion might report all of the following on W4D
testing except: the bottom light switches back & forth from red
to green, only the top light is red, the rest are green, only the
bottom light is red, the rest are green or the top & bottom lights
are red & the left & right lights are green Correct Answers only
the light is red, the rest are green
a regional black type of anesthesia might be used for which
surgical situation, chalazion excision, corneal transplant, radial
keratotomy or laser trabeculoplasty? Correct Answers corneal
transplant
a serious drawback of oral or topical steroids is that they can?
Correct Answers depress the immune system
a shutter setting of 30 means that the film is exposed by? Correct
Answers 1/30 second
COMPLETE SOLUTIONS
A & V patterns are types of horizontal deviations that? Correct
Answers vary in up & down gaze
A 1.00 diopter prism bends light? Correct Answers 1 cm at a
distance of 1m from the prism
A 1.00 diopter spherical lens focuses light at? Correct Answers
1meter
A 2.00 diopter prism displaces an object 1cm at a distance of
what? Correct Answers 05 m
a 3 month old may be tested for amblyopia by any of the
following except? 25 diopter base in test, rating central, steady
and maintained preferential looking technique (PL) or visual
evoked potential (VEP)? Correct Answers rating central, steady
& maintained
a cataract lens that is ground with a smaller optical portion &
another carrier portion is called? Correct Answers a lenticular
lens
a college law student with low vision might benefit most from
using? Correct Answers a computerized low vision scanner
(CCTV)
a common characteristic of nerve filer layers does not include?
Correct Answers left homonymous hemianopsia
,a common deviation found following head trauma is? Correct
Answers bilateral SO palsy
a commonly used topical osmotic for the long-term treatment of
corneal edema is? Correct Answers sodium chloride drops or
ointment
A comparison of the speed of light in air to the speed of light
through substance is? Correct Answers IR (Snell's Law)
A compensatory head tilt is mot often adopted when the muscle
involved is? Correct Answers oblique muscle
a correcting lens is requied to test? Correct Answers on a pt by
pt basis
a disadvantage of the lenticular lens is? Correct Answers it is
not cosmeticaly pleasing
a disadvantage to use topical osmotic agents is? Correct
Answers ocular discomfort
a field with artificially contracted isopters & a larger than
normal blind spot could be caused by? Correct Answers slow
response time on the part of the pt
a full suprathreshold test would be appropriate for? Correct
Answers general screening
,a good camera lens system will? Correct Answers produce
sharp images on the film plane when properly focused
a gray scale printout for automated fields? Correct Answers
displays the threshold decibel measurements as a graphic display
of varying shades
a high myope will have a field that is? Correct Answers
expanded with a blind spot farther from fixation than normal
A lens has a focal length of 33cm what is its dioptic power?
Correct Answers 3 diopters
a magnifying glass with a power of 10x has a dioptic power of ?
Correct Answers 25
a normal screening test means that? Correct Answers the pt has
no field defect detectable by this thest
a notation of -2 on a point from a comparison printout means?
Correct Answers a los of 2 dB from the previous test to the
present
a phoria is exhibited when? Correct Answers fusion is disrupted
a point is not seen is represented on a grayscale by? Correct
Answers a black area
a press-on prism would be ideal for? Correct Answers a pt
gradually recovering from a palsy
, a pt might not respond to a suprathreshold stimuli why? Correct
Answers by chance
a pt taking plaquenil should have periodic visual field
examinations to check for? Correct Answers paracentral
scotoma
a pt whose prescription is inaccurate due to accommodation will
have to do what? Correct Answers accommodate in order to see
clearly when wearing the correction
a pt with a cataract probably will show evidence of what type of
refractive shift? Correct Answers increased myopia
A pt with fusion might report all of the following on W4D
testing except: the bottom light switches back & forth from red
to green, only the top light is red, the rest are green, only the
bottom light is red, the rest are green or the top & bottom lights
are red & the left & right lights are green Correct Answers only
the light is red, the rest are green
a regional black type of anesthesia might be used for which
surgical situation, chalazion excision, corneal transplant, radial
keratotomy or laser trabeculoplasty? Correct Answers corneal
transplant
a serious drawback of oral or topical steroids is that they can?
Correct Answers depress the immune system
a shutter setting of 30 means that the film is exposed by? Correct
Answers 1/30 second
