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Color

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by

Absurd Kft Kovács Péter

on 18 February 2015

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Transcript of Color

By Alka Ghadiyaram
Color Blindness.
Treatments
-Gene Therapy not advised until proven safe, but has a promising future.
-No cure for color blindness.
-Many coping strategies
-Special eyeglasses/ contacts can enhance color vision.
Tests for Colorblindness
1.
Adult Pseudo-Isochromatic test
( Ishihara Test): 29 general test plates, 32 protan(red) tests, 32 deutan(green) test plates, and 12 tritan(blue) test plates

2.
Waggoner Pediatric Computerized Color Vision Test( Ishihara Test):
Made for children 5 and up, very similar to the adult test except made more child appropriate.
Ya know them
People you might know with Colorblindness:

Bill Clinton- President
Mark Twain- Writer (aka Samuel Clemens)
Fred Rogers- TV host, songwriter, educator, minister, author
Bing Crosby - Singer
Bob Dole- Comedian
Cristopher Nolan- Director/ Producer(
Batman, Inception, Interstellar?
)
Eddie Redmayne- Actor, model, and singer
Howie Mandel- Famous Comedian and...
Deal or No Deal
Keanu Reeves- Actor (
Speed
,
The Matrix
)
Prince William Windsor- Um... Prince?
Mark Zuckerburg: Facebook Founder
Early Signs
1. using the wrong colors for an object when coloring.
2. gets frustrated with coloring worksheets
3. Denial of color issues
4. Problems with Greens and Reds
5. Smelling food before eating
6. Identification of color made worse with less light
7. Complains that eyes or head hurts when viewing red on green or vice versa.
So, what is it?
Color Blindness is a recessive sex linked disorder where the person has trouble distinguishing colors.
Besides being passed down, one can get Colorblindness through a number of ways.

Different Types of Color Blindness
A Sex Linked Disorder is a trait or disorder that is passed down on one of the x or y chromosome (sex chromosomes).
Dichromacy
Monochromacy (achromatopsia)
-extremely rare.
-Cannot see any color, more so grays, black and white.

Take
the
test
if
you
dare!
Sex Linked Disorders
Sex Chromosomes
Colorblindness more common in males.
Color blindness is more common in boys than in girls .
People who have this:



WHAT? WHY?!?!?!?!?!!?!?!?!?
XY- Male
XX- Female
http://www.sciencegeek.net/Biology/review/Sem1Review.htm
The END.
***For every 1 colorblind female, there are 16 color blind males
* 8% of the male population .
*0.5% of the female population
A very good question...
We all know very well that:
1. A healthy Boy is XY
2. A healthy Girl is XX.
3. Colorblindness occurs when the x chromosome is affected.
Look at the X's!
For the recessive alleles of Colorblindness to be expressed, ALL x's. must be affected.
Girls have TWO x's.
For girls BOTH of the x's must be affected.
Since Boys only have ONE x, the reccessive trait can be easily shown.
c
X
X
X
X
X
X
Y
Y
c
c
c
X
X
Mother's
c
c
c
c
Trichromacy
= normal vision
Anomalous Trichromacy
Colorblind to a certain extent.
Three cones used to percieve color, but one is slightly out of alignment., hence the 'anomalous' part.
Different Types
Protanomaly
-A lesser response to red light.
Deuteranomaly
-Most Common
-Lesser response towards green light.
Tritanomaly
-Extremely rare
-Lesser response/sensetivity towards blue light.
Normal
Protanomalous
Normal
Deuteranomalous
normal
tritanomalous
-Two cones are able to function properly, though there is a total absense of the third.
Different Types
Deuteranopia
-The inability to percieve ANY green light what so ever.
Protanopia
-Inability to percieve ANY red light.
Tritanopia
Inability to percieve ANY blue light.
Normal
Deuteranopia
Normal
Normal
Tritanopia
Protanopia
People who have this, must wear dark glasses, in normal lighting conditions
This is better known as 'total colorblindness'
Parkinson's disease (PD).
Cataracts
Tiagabine for epilepsy
Leber's hereditary optic neuropathy (LHON)
Kallman's syndrome
Are
YOU
colorblind?
Work Cited
made by Dr. Terrace L. Waggoner
May confuse:
1. Black with many shades of red
2. Dark brown with dark green, dark orange and dark red
2. Some blues with some reds, purples and dark pinks
3. Mid-greens with some oranges
1. Mid-reds with mid-greens
2. Blue-greens with grey and mid-pinks
3. Bright greens with yellows
4. Pale pinks with light grey
5. Mid-reds with mid-brown
6. Light blues with lilac
might confuse:
1.light blues with greys,
2.dark purples with black
3. mid-greens with blues
4. oranges with reds.
may confuse:
http://www.klaueroptical.com/color-blindness/
Works Cited
"Color Blindness - Klauer Optical & Sunglass Center Klauer Optical & Sunglass Center." Color Blindness - Klauer Optical & Sunglass Center Klauer Optical & Sunglass Center. N.p., n.d. Web. Nov. 2014. <http://www.klaueroptical.com/color-blindness/>.
"Color Blindness News." All About Vision. N.p., n.d. Web. Nov. 2014. <http://www.allaboutvision.com/conditions/colordeficiency.htm>.
"Colorblind Population | Colblindor." Colblindor. N.p., n.d. Web. Nov. 2014. <http://www.color-blindness.com/2006/04/28/colorblind-population/>.

ColorVisionTesting | Colorblind." ColorVisionTesting | Colorblind. N.p., n.d. Web. Nov. 2014. <http://colorvisiontesting.com/ishihara.htm>.
Cottin, Menena. The Black Book of Colors. N.p.: n.p., n.d. Print.
"Early Symptoms." Colour Blind Awareness. N.p., n.d. Web. Nov. 2014. <http://www.colourblindawareness.org/parents/early-symptoms/>.
Levine, Karen Rae. All About Color Blindness: A Guide to Color Vision Deficiency for Kids. N.p.: n.p., n.d. Print.
McIntyre, Donald. Colour Blindness: Causes And Effects. N.p.: n.p., n.d. Print.
Sacks, Oliver. The Island of the Colorblind. N.p.: n.p., n.d. Print.
"Testing Color Vision." Testing Color Vision. N.p., n.d. Web. Nov. 2014. <http://www.testingcolorvision.com/tcv-anomalous-trichromacy.php>.
"Testing Color Vision." Testing Color Vision. N.p., n.d. Web. Nov. 2014. <http://www.testingcolorvision.com/test-examples.php>.
"Types of Colour Blindness." Colour Blind Awareness. N.p., n.d. Web. Nov. 2014. <http://www.colourblindawareness.org/colour-blindness/types-of-colour-blindness/>.
"Was Vincent Van Gogh Colorblind? | Colblindor." Colblindor. N.p., n.d. Web. Nov. 2014. <http://www.color-blindness.com/2012/10/25/was-vincent-van-gogh-colorblind/>.
http://colorvisiontesting.com/ishihara.htm

Pedigree
x
y
Rumored that Vincent Van Gogh was Colorblind!
original
What someone who is colorblind sees.
*protanomal simulation
Full transcript