1
Complete JCAHPO Practice Quiz: Fully Solved
Questions and Verified Answers
1. What does the abbreviation JCAHPO stand for? - ANSWER Joint
Commission on Allied Health Personnel in Ophthalmology
2. What instrument measures the power of spectacle lenses? - answer lensmeter
3. What is an important step when changing the lamp of a projector? - answer
wait a few minutes after it is turned off
4. What should be used to periodically dust the exposed lens surface of an eye
piece? - answer camel hair brush
5. What is the main purpose of wearing impact resistant rather than ordinary
glasses in an industrial setting - answer prevent ocular injury
6. What is the proper technique to assist a visually impaired patient? - answer
place their hand on your arm at the elbow
7. What is the function of precorneal tear film? - answer provide oxygen and
moisture to the eye
8. What process best describes the patient's participation - answer informed
consent
9. What must occur for a patient to provide informed consent ? - answer
comprehension of the doctor's recommendations
10.What do ophthalmologists have a duty to ensure the patient understands? -
answer treatment recommendations
11.Which of the following conditions is not hereditary? - answer conjunctivitis
12.Which statement is true regarding documenting the patients complaints? -
answer you should attempt to use the patients exact words
13.What is an important question to ask a patient that complains of "red eye"? -
answer do you have blurred vision?
, 2
14.What is the term that describes an uncorrected refractive error? - answer
asthenopia
15.In what condition will the patient describe symptoms of a red and irritated
eye? - answer conjunctivitis
16.Which of the following most qualifies as a chief complaint? - answer eye
fatigue
17.Which common familial ocular disorder should you record during a patients
history? - answer keratoconus
18.Which of the following symptoms requires prompt attention? - answer
sudden vision loss
19.After introductions to the patient, what is one of the first items that should
be obtained as part of history taking? - answer chief complaint
20.In what condition is potential acuity meter a useful test? - answer cataracts
21.Near vision charts should be held how many inches from the eye? - answer
14- 16
22.Which of the following tests would cause an increase in visual acuity of a
patient with an uncorrected refractive error? - answer pinhole occludar
23.What is the recommended distance used for assessing distance acuity? -
answer 20 feet
24.What would you record as visual acuity of a person who is able to clearly
see an object at 20 feet that can be seen at 60 feet by the person with no
refractive error? - answer 20/60
25.What does the numerator stand for in the 20/20 notation? - answer distance
from the patient's eyes to chart
26.What statement is true regarding the snellen chart - answer the normal eye
can distinguish two points separated by an angle of 5 minutes of arc.
, 3
27.What is the first step if your patient is unable to read the largest letter on the
snellen chart? - answer ask the patient to count fingers
28.At what age would you expect an infant to start reaching for toys? - answer
4-6 months
29.What is the most common way to record visual acuity in infants and
preverbal children? - answer csm
30.The amsler grid is designed to evaluate visual field defiencies in how many
degrees of central vision? - answer 20 degrees
31.What is the term for an area of complete or partial blindness in an otherwise
normal visual field? - answer scotoma
32.Visual field loss due to optic nerve cupping is related to which condition? -
answer glaucoma
33.What type of perimetry technique involves a moving target? - answer kinetic
34.What is the term for a scotoma that is located immediately nasal or temporal
to fixation? - answer paracentral
35.What is the most widely used method of visual field screening that requires
no special equipment? - answer confrontation testing
36.What type of patients uniformly require a threshold 24- degree central field
test? - answer glaucoma
37.What consensual response normally occurs when shining a light in the right
eye? - answer left pupil constriction
38.Which term describes pupillary constriction? - answer miosis
39.What is the condition that describes if the amount of light information
transmitted to the brain from one eye differs from that of the other eye? -
answer afferent pupillary defect
40.What is the term for pupils that are of unequal size? - answer anisocoria
, 4
41.Which test compares the direct and consensual responses to the pupil? -
answer swinging flashlight
42.What device is used to view a virus? - answer electron microscope
43.Which type of tonometer is mounted on a slit lamp? - answer applanation
44.The calibration of the goldmann applanation tonometer should be checked at
which settings? - answer 0, 2, 6
45.What is the diameter of the contact area of the applanation tonometer? -
answer 3.06
46.How would you expect the mires to appear if you instill too much
fluorescein prior to goldmann tonometry? - answer too thick
47.Which instrument is used to measure intraoccular pressure? - answer
tonometer
48.What is the term for the tonometry technique that displaces a minimal
amount of fluid - answer applanation
49.What color is the light filter used i applanation tonometry? - answer blue
50.Which process is useful for measuring corneal astigmatism? - answer
keratometry
51.In what unit is keratometry expressed? - answer diopters
52.What kind of astigmatism is described as having greater power in the
vertical meridian than in the horizontal meridian? - answer with - the - rule
astigmatism
53.Corneal curvature measurement is vital in determining which parameter
when fitting a contact lens? - answer base curve
54.Which tool is a series of red cylinders and is used to assess phorias? - answer
maddox rod
55.Which test uses prisms to center the corneal reflex? - answer krimsky
Complete JCAHPO Practice Quiz: Fully Solved
Questions and Verified Answers
1. What does the abbreviation JCAHPO stand for? - ANSWER Joint
Commission on Allied Health Personnel in Ophthalmology
2. What instrument measures the power of spectacle lenses? - answer lensmeter
3. What is an important step when changing the lamp of a projector? - answer
wait a few minutes after it is turned off
4. What should be used to periodically dust the exposed lens surface of an eye
piece? - answer camel hair brush
5. What is the main purpose of wearing impact resistant rather than ordinary
glasses in an industrial setting - answer prevent ocular injury
6. What is the proper technique to assist a visually impaired patient? - answer
place their hand on your arm at the elbow
7. What is the function of precorneal tear film? - answer provide oxygen and
moisture to the eye
8. What process best describes the patient's participation - answer informed
consent
9. What must occur for a patient to provide informed consent ? - answer
comprehension of the doctor's recommendations
10.What do ophthalmologists have a duty to ensure the patient understands? -
answer treatment recommendations
11.Which of the following conditions is not hereditary? - answer conjunctivitis
12.Which statement is true regarding documenting the patients complaints? -
answer you should attempt to use the patients exact words
13.What is an important question to ask a patient that complains of "red eye"? -
answer do you have blurred vision?
, 2
14.What is the term that describes an uncorrected refractive error? - answer
asthenopia
15.In what condition will the patient describe symptoms of a red and irritated
eye? - answer conjunctivitis
16.Which of the following most qualifies as a chief complaint? - answer eye
fatigue
17.Which common familial ocular disorder should you record during a patients
history? - answer keratoconus
18.Which of the following symptoms requires prompt attention? - answer
sudden vision loss
19.After introductions to the patient, what is one of the first items that should
be obtained as part of history taking? - answer chief complaint
20.In what condition is potential acuity meter a useful test? - answer cataracts
21.Near vision charts should be held how many inches from the eye? - answer
14- 16
22.Which of the following tests would cause an increase in visual acuity of a
patient with an uncorrected refractive error? - answer pinhole occludar
23.What is the recommended distance used for assessing distance acuity? -
answer 20 feet
24.What would you record as visual acuity of a person who is able to clearly
see an object at 20 feet that can be seen at 60 feet by the person with no
refractive error? - answer 20/60
25.What does the numerator stand for in the 20/20 notation? - answer distance
from the patient's eyes to chart
26.What statement is true regarding the snellen chart - answer the normal eye
can distinguish two points separated by an angle of 5 minutes of arc.
, 3
27.What is the first step if your patient is unable to read the largest letter on the
snellen chart? - answer ask the patient to count fingers
28.At what age would you expect an infant to start reaching for toys? - answer
4-6 months
29.What is the most common way to record visual acuity in infants and
preverbal children? - answer csm
30.The amsler grid is designed to evaluate visual field defiencies in how many
degrees of central vision? - answer 20 degrees
31.What is the term for an area of complete or partial blindness in an otherwise
normal visual field? - answer scotoma
32.Visual field loss due to optic nerve cupping is related to which condition? -
answer glaucoma
33.What type of perimetry technique involves a moving target? - answer kinetic
34.What is the term for a scotoma that is located immediately nasal or temporal
to fixation? - answer paracentral
35.What is the most widely used method of visual field screening that requires
no special equipment? - answer confrontation testing
36.What type of patients uniformly require a threshold 24- degree central field
test? - answer glaucoma
37.What consensual response normally occurs when shining a light in the right
eye? - answer left pupil constriction
38.Which term describes pupillary constriction? - answer miosis
39.What is the condition that describes if the amount of light information
transmitted to the brain from one eye differs from that of the other eye? -
answer afferent pupillary defect
40.What is the term for pupils that are of unequal size? - answer anisocoria
, 4
41.Which test compares the direct and consensual responses to the pupil? -
answer swinging flashlight
42.What device is used to view a virus? - answer electron microscope
43.Which type of tonometer is mounted on a slit lamp? - answer applanation
44.The calibration of the goldmann applanation tonometer should be checked at
which settings? - answer 0, 2, 6
45.What is the diameter of the contact area of the applanation tonometer? -
answer 3.06
46.How would you expect the mires to appear if you instill too much
fluorescein prior to goldmann tonometry? - answer too thick
47.Which instrument is used to measure intraoccular pressure? - answer
tonometer
48.What is the term for the tonometry technique that displaces a minimal
amount of fluid - answer applanation
49.What color is the light filter used i applanation tonometry? - answer blue
50.Which process is useful for measuring corneal astigmatism? - answer
keratometry
51.In what unit is keratometry expressed? - answer diopters
52.What kind of astigmatism is described as having greater power in the
vertical meridian than in the horizontal meridian? - answer with - the - rule
astigmatism
53.Corneal curvature measurement is vital in determining which parameter
when fitting a contact lens? - answer base curve
54.Which tool is a series of red cylinders and is used to assess phorias? - answer
maddox rod
55.Which test uses prisms to center the corneal reflex? - answer krimsky
