Are you
Color Blind ?
Test
What number do you see ?
Answer
Next
What do you see ?
Answer
Next
What number do you see ?
Answer
Next
What number do you see ?
Answer
Next
What number do you see ?
Answer
Next
What animal do you see ?
Answer
Next
What shape do you see ?
Answer
Next
What number do you see ?
Answer
Finish
How many wrong answers did you get ?
3 and more
Next
Now do you want to learn more about colorblindness ?
Yes
No
Lets dive in !
mind map : COLOR BlINDness
Click on the the red title to access to the mind map
Mind Map : COLOR BLINDness
Discovery
Diagnoses
Rarity
Treatments
Dangers
Types of color blindness
Finished ?
Origin
Click on the + to learn more about a specificity of color blindness
Inside the eye
White light coming in
Green surface
(it absorbs every color except green which is reflected)
A zoom on the retina
Oh no, the blue cones in this patient's eye aren't working properly, so let's see what the consequences are.
Tritanopia
This patient is affected by tritanopia ans is a dichromats. This means the S-cones are completely missing and only long- and medium-wavelength cones are present.
+ Info
Finish your experience
Go back to the mind map
We hope you enjoyed it and learnt a lot !
Treatments
There’s no cure for color vision deficiency that’s passed down in families (inherited). If color vision deficiency is causing problems with everyday tasks they are available options, like:
- Glasses and contacts : They work by increasing the contrast between colors so they’re easier to tell apart.
- Visual aids : Apps let people take photos with a phone or tablet and then tap on part of the photo to find out what color it is.
Dangers
Because of their inability to distinguish red from green, color-blind men can have trouble recognizing blood in their bodily fluids. They are less likely than others to spot blood in photographs of sputum, urine, or stool. In theory, this could delay the diagnosis of a dangerous malignancy.
+ info
Type of colorblindness
Dichromatopsia
There are different types and degrees of color blindness, which are classified according to the cells and, consequently, the colorblind affected. Most are characterized by the patient's inability to differentiate colors from birth.
Monochrome
Achromatopsia
+ info
VIEW LINK
Diagnoses
The Ishihara test is the most common test eye care providers use to diagnose red-green color blindness. Some plates include numbers that you can only see with full-color vision. Others include numbers that you can only see with color vision deficiency. The test we gave you at the beginning is an example.If you believe you may have color blindness, contact an eye care provider to schedule an eye exam. Or take a better test online (view link)
Origin
The genes responsible for red and green sensitivity are located on the X chromosome, while the one for blue is on chromosome 7.
+ info
Mutations ?
Who discovered it ?
British physicist and chemist John Dalton published his first scientific study on the subject in 1798, entitled “Extraordinary facts about color vision”, after discovering his own colorblindness. In French, the disease is named after Dalton's work.
How ?
Why ?
Other types of colorblindness
Rarity
- Overall, around 300 million people around the world have some form of color blindness (mostly red-green). - Among people of Northern European ancestry, red-green color blindness affects about 1 in 12 people . These numbers vary by ethnicity. Europeans have the highest prevalence of color blindness. - Other types of color blindness are rarer : Achromatopsia affects 1 in 30,000 people.
Color Blindness
Jules R
Created on October 18, 2024
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Transcript
Are you
Color Blind ?
Test
What number do you see ?
Answer
Next
What do you see ?
Answer
Next
What number do you see ?
Answer
Next
What number do you see ?
Answer
Next
What number do you see ?
Answer
Next
What animal do you see ?
Answer
Next
What shape do you see ?
Answer
Next
What number do you see ?
Answer
Finish
How many wrong answers did you get ?
3 and more
Next
Now do you want to learn more about colorblindness ?
Yes
No
Lets dive in !
mind map : COLOR BlINDness
Click on the the red title to access to the mind map
Mind Map : COLOR BLINDness
Discovery
Diagnoses
Rarity
Treatments
Dangers
Types of color blindness
Finished ?
Origin
Click on the + to learn more about a specificity of color blindness
Inside the eye
White light coming in
Green surface
(it absorbs every color except green which is reflected)
A zoom on the retina
Oh no, the blue cones in this patient's eye aren't working properly, so let's see what the consequences are.
Tritanopia
This patient is affected by tritanopia ans is a dichromats. This means the S-cones are completely missing and only long- and medium-wavelength cones are present.
+ Info
Finish your experience
Go back to the mind map
We hope you enjoyed it and learnt a lot !
Treatments
There’s no cure for color vision deficiency that’s passed down in families (inherited). If color vision deficiency is causing problems with everyday tasks they are available options, like:
- Glasses and contacts : They work by increasing the contrast between colors so they’re easier to tell apart.
- Visual aids : Apps let people take photos with a phone or tablet and then tap on part of the photo to find out what color it is.
Dangers
Because of their inability to distinguish red from green, color-blind men can have trouble recognizing blood in their bodily fluids. They are less likely than others to spot blood in photographs of sputum, urine, or stool. In theory, this could delay the diagnosis of a dangerous malignancy.
+ info
Type of colorblindness
Dichromatopsia
There are different types and degrees of color blindness, which are classified according to the cells and, consequently, the colorblind affected. Most are characterized by the patient's inability to differentiate colors from birth.
Monochrome
Achromatopsia
+ info
VIEW LINK
Diagnoses
The Ishihara test is the most common test eye care providers use to diagnose red-green color blindness. Some plates include numbers that you can only see with full-color vision. Others include numbers that you can only see with color vision deficiency. The test we gave you at the beginning is an example.If you believe you may have color blindness, contact an eye care provider to schedule an eye exam. Or take a better test online (view link)
Origin
The genes responsible for red and green sensitivity are located on the X chromosome, while the one for blue is on chromosome 7.
+ info
Mutations ?
Who discovered it ?
British physicist and chemist John Dalton published his first scientific study on the subject in 1798, entitled “Extraordinary facts about color vision”, after discovering his own colorblindness. In French, the disease is named after Dalton's work.
How ?
Why ?
Other types of colorblindness
Rarity
- Overall, around 300 million people around the world have some form of color blindness (mostly red-green). - Among people of Northern European ancestry, red-green color blindness affects about 1 in 12 people . These numbers vary by ethnicity. Europeans have the highest prevalence of color blindness. - Other types of color blindness are rarer : Achromatopsia affects 1 in 30,000 people.