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51 Cards in this Set
- Front
- Back
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Colour vision what is color vision the visual sensation of |
light stimulation the human visual system
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Colour vision
what does colour vision mean |
colour doesn't exits
but our eyes and brain and interpreting light waves |
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Colour vision
what three things are required for coloir vision |
light source
object oveerver |
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Human eye has what 3 pats
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eyes
optic nerve brain |
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Colour vision
where does light enter on human eye |
cornera and irs
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Colour vision
what does the cornea and irus focus on |
the lends onto retina and forva
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Colour vision
what is the retina a collection of |
cells called
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Colour vision
the retina has two things in the cells |
rods and cones
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Colour vision
where are rods and cones in the retina placed |
back of eyes and are sensitive to light
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Colour vision
what range are cones and rods sensative too |
400 to 700 nm
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Colour vision
which one is sensitive to motion rod or cone |
rods
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Colour vision
rods have fine difference in two things what are they |
light and dark
blind to colour |
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Colour vision
there are 3 types of cones what are they |
long
medim shorrt |
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Colour vision
what is a long cone |
sensative to longer wavegeths such as red
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Colour vision
what are medium cones sensitive to |
mid range wavelegths such as green
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Colour vision
what are short cones sensativ eto |
shoter wavelengths such as blue
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Colour vision
rods and cones are what type of impulses |
electical
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Colour vision
how do rods and cones become electrical impulses |
through theo pic nerve when they sense light energy they are sensative too
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Colour vision
the fovea is a area that is densely packed with |
cone cells and almost no rods
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Colour vision
what do optic nerves transfer |
eleptrical impuses
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Colour vision
what does optical nerves transfer from what to wha |
rods and to cones to retain and to the brain
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what does the brain interrpet
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electoral impasse from retina to colour image
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Colour vision
what are mixes responses |
red
green blue light cells = a clear copsitie image |
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Colour vision
CIE 1931 standarder observer mathepal rep of what |
human eye
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Colour vision
what is cie based on |
2 degree field view
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Colour vision
ice is function used when calculating |
XYZ
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Colour vision testing
what is color defence aka |
blindness
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Colour vision testing
what is defencicy bettween |
red and green
protantopoa deunitu |
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Colour vision testing
what is terms for blue and yellow define |
trianotoia
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Colour vision testing
what this the test thatis most to used to evaluate collor deficiency |
ishihara
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Colour vision testing
what is colour appetite |
ability to perceive subtle differences in colours
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Colour vision testing
which test can be trained |
colour aptitude
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Colour vision testing
what is a way to detriment colour aptitues |
farnsworth munsell 100 hute test
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Colour vision testing
for color aptitude what does someone do with the farnsworth mussel 100 huw test |
samples of colours that are diff from one another in oder
red to green green to blue |
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Light source
for an object to be seen what must happen |
illimiation
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light source has a great effect on
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precede colour
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Colour vision testing
are all light sources created the same |
nah
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Colour vision testing
some light sources or illuminate have more or less energy at different |
wavelengths
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light source
what is standard light |
d50
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light source
since lighting has a huge impact on colour what must be done ti mimize variable s |
percepton
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light source
what do viewing booths try and do |
come close to d50 with folorenent lights only 90-95% there
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Chormatic Adaptatino
is when the eye adapts to see |
brightest and most neutral as white
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Chormatic Adaptatino
not only does eye adjust to white but it adksuts to |
perception of all coloirs relate to white
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Metamerism
is when two colours are |
same one light but different under another light source
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Metamerism
what is it due to |
relfect wavelfnths sensitive to light that mix
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Metamerism
what is RHEM sticker |
stickers sometimes put on critical proof to sure light source
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Colour Diffference
2 is considered |
barely noticeable
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Colour Diffference
3 is considered |
good
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Colour Diffference
5 is considered |
fair
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Colour Diffference
6 is considered bad |
bad
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Colour Diffference
8 is |
full of shi t
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