COLOR VISION FINAL EXAM {LATEST 2026
-2027 update} 164 QUESTIONS AND
ANSWERS 100% CORRECT
What are some types of drugs that can induce optic neuropathy leading to acquired CV
deficiencies? - correct answer Antimicrobials, Benzofuran derivatives (anti-anginal),
erectile dysfunction agents, antiTB agents, chloroquinine (malaria) and
hydroxycloroquine (SLE & RA)
Is drug induced optic neuropathy reversible or permanent? - correct answer
reversible- so impt to screen
What is the goal when taking drugs that can lead to drug induced optic neuropathy? -
correct answer Identify the CV change before visible retinal change. Done by using CV
test to monitor as pt continues medication.
What can be a side effect of a vitreomacular adhesion? - correct answer yellowish
vision
,In workers exposed to neurotoxic chemicals, what is the pathogenesis of these
chemicals affecting CV? - correct answer direct action on PR OR direct action on ON
How are light bulbs (standard illuminants) classified? - correct answer Color
temperature (black body radiator)
Why do we turn stand lamp off but keep overhead light on? - correct answer The color
temp of the stand lamp isn't correct for optimal testing results
What represents standard illuminants on a CIE chromacity diagram (what color)? What
is this called? - correct answer white section, Planckian locus
Using a temperature scale to measure the CCT, what units are used when describing
the "color" of a light source? - correct answer Kelvin
What is the CCT of warm white? - correct answer 2700-3000K
,What is the CCT of cool white? - correct answer 3500-4100K
What is the CCT of natural/daylight? - correct answer 5000-6500K
T or F: Non-standard illuminants could make it easier for a color deficient patient to
pass CV tests. - correct answer TRUE
What is standard illuminant A? What is the CCT? - correct answer average
incandescent, 2856K
What is standard illuminant B? What is the CCT? - correct answer direct sunlight,
4874K
What is standard illuminant C? What is the CCT? - correct answer average daylight,
6774K
What is standard illuminant D? What is the CCT? - correct answer Phases of daylight,
hard to equate the CCT
, What standard illuminant should be used for CV testing? - correct answer standard
illuminant C (average daylight- 6774K).....can use standard illuminant D but this is
harder to equate
What is the best option for illumination of CV, but was discontinued due to price? What
kind of bulb was used? - correct answer Macbeth easel, tungsten
Since Macbeth was discontinued, what is the next best option for CV illumination? -
correct answer True daylight illuminator
What is the best fluorescent option for CV illumination? Second best? Third best? -
correct answer Natural daylight
Cool white
Warm white
Is incandescent of fluorescent best for CV illumination? - correct answer fluorescent
-2027 update} 164 QUESTIONS AND
ANSWERS 100% CORRECT
What are some types of drugs that can induce optic neuropathy leading to acquired CV
deficiencies? - correct answer Antimicrobials, Benzofuran derivatives (anti-anginal),
erectile dysfunction agents, antiTB agents, chloroquinine (malaria) and
hydroxycloroquine (SLE & RA)
Is drug induced optic neuropathy reversible or permanent? - correct answer
reversible- so impt to screen
What is the goal when taking drugs that can lead to drug induced optic neuropathy? -
correct answer Identify the CV change before visible retinal change. Done by using CV
test to monitor as pt continues medication.
What can be a side effect of a vitreomacular adhesion? - correct answer yellowish
vision
,In workers exposed to neurotoxic chemicals, what is the pathogenesis of these
chemicals affecting CV? - correct answer direct action on PR OR direct action on ON
How are light bulbs (standard illuminants) classified? - correct answer Color
temperature (black body radiator)
Why do we turn stand lamp off but keep overhead light on? - correct answer The color
temp of the stand lamp isn't correct for optimal testing results
What represents standard illuminants on a CIE chromacity diagram (what color)? What
is this called? - correct answer white section, Planckian locus
Using a temperature scale to measure the CCT, what units are used when describing
the "color" of a light source? - correct answer Kelvin
What is the CCT of warm white? - correct answer 2700-3000K
,What is the CCT of cool white? - correct answer 3500-4100K
What is the CCT of natural/daylight? - correct answer 5000-6500K
T or F: Non-standard illuminants could make it easier for a color deficient patient to
pass CV tests. - correct answer TRUE
What is standard illuminant A? What is the CCT? - correct answer average
incandescent, 2856K
What is standard illuminant B? What is the CCT? - correct answer direct sunlight,
4874K
What is standard illuminant C? What is the CCT? - correct answer average daylight,
6774K
What is standard illuminant D? What is the CCT? - correct answer Phases of daylight,
hard to equate the CCT
, What standard illuminant should be used for CV testing? - correct answer standard
illuminant C (average daylight- 6774K).....can use standard illuminant D but this is
harder to equate
What is the best option for illumination of CV, but was discontinued due to price? What
kind of bulb was used? - correct answer Macbeth easel, tungsten
Since Macbeth was discontinued, what is the next best option for CV illumination? -
correct answer True daylight illuminator
What is the best fluorescent option for CV illumination? Second best? Third best? -
correct answer Natural daylight
Cool white
Warm white
Is incandescent of fluorescent best for CV illumination? - correct answer fluorescent
