foreign
come on Kitty hit the ball on the red
glass
red red
[Music]
oh
it's okay kitty I forgot that cats can't
perceive the full range of colors and
you won't believe even certain people
find it hard to distinguish between
different shades due to a condition
called color blindness
hey friends so in today's episode let us
look into this colorless condition and
answer an important question what causes
color blindness zoom in
[Music]
the world is a beautiful place with
sunshine and rainbows full of different
shades of colors like red blue and green
and we should consider ourselves
fortunate to witness Nature's Vivid
portraiture around us
but the same can't be said for everyone
because seven to ten percent of men and
nearly 0.4 percent of women have some
form of color blindness
a condition in which people cannot tell
the difference between certain colors
for example
for them a red apple may appear
something like this or they may not see
colors at all but before we peek into
the causes behind this Vision deficiency
let us learn how we see colors in the
first place
you see when light falls on an object
like a sunflower the object absorbs some
of its light and reflects the rest of it
at different wavelengths depending on
the properties of the object
these light waves reflect off The
sunflower's Petal and hit the light
sensitive layer of cells called the
retina located at the back of your eye
and inside the retina there are two
types of light detecting cells called
rods and cones
rods help us to see in low light
conditions and do not detect colors and
come in only one type in comparison the
cones come in three types that allow us
to detect colors like red green and blue
so when you see a color the cone sends a
signal to your brain as you identify
that specific color
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I know what you are thinking how can
just these three types of cells tell you
about all the colors you see around well
as we know when we mix the color red and
green we get yellow
so when you see the color yellow the red
and green cones get activated and each
of them sends the signal to your brain
which mixes these colors thus allowing
us to detect the yellow color
just like that our brain can be tricked
into seeing an infinite number of colors
that are a combination of only three
colors red green and blue
so now you know how we can detect those
millions and millions of colors around
us but then what causes color blindness
or Vision deficiency in some people well
as we know the cones help us see those
colors so when one or more of these
cones stop functioning it could lead to
a condition called color blindness that
comes in different forms so let's have a
look at them
the first type is red green color
blindness known as deuteronopia in which
a person has trouble telling the
difference
between red and green
next comes the blue yellow color
blindness called drytynopia
although the name is blue yellow color
blindness people afflicted by this color
blindness can usually tell the
difference between these two colors
instead they cannot tell the difference
between blue and green and also yellow
and violet and the third form is total
color blindness also known as
monochromacy in this rare condition
people suffering from this can only see
in black and white
trip your time
did you know more males are colorblind
than females
also some insects can see in the
ultraviolet which may help them see
patterns on flaws that are entirely
invisible to us
[Music]
hope you learned something new in
today's episode until next time it's me
Dr binox zooming out
right now
now oh never mind