The IndUS Network e-magazine

Color blindness

Health Awareness and Quick Video Test for fun

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What is color blindness?

It is the deficiency in vision where certain colors cannot be distinguished. This is an inherited condition that is more prevalent among males.

What causes color blindness?

Retina has two types of cells called “Rods” and “Cones”. While “Rods” are responsible for night vision, “Cones” are responsible for perceiving colors in the day or night. Degree of color blindness depends on the functioning of the “Cones”.

What are the colors that affect the color- blind people?

Most common is problem in distinguishing between Red and Green, also it can be Blue/Yellow.

What is the treatment for color blindness?

This frustrating condition has no treatment.

Do the color- blind people see only in Black and White or Gray?

No, this is a misconception. Being totally color blind (monochromacy) is extremely rare.

Types of color blindness?

Protanomaly (red-weakness) occurs in 1 out of 100 males. Deuteranomaly (green-weakness) occurs in 5 out of 100 males. These are minor sufferers as there is no dimming of hues.
Protanopia (the brightness of red, orange, and yellow is much reduced compared to normal and may look like black or dark gray) occurs in 1 out of 100 males.
Deuteranopia (they suffer the same hue discrimination problems as the protanope, but without the abnormal dimming) occurs in 1 out of 100 males.

Shortcomings due to color blindness?

The Protanopes and Deuteranopes are the real sufferers because Orange, Yellow, Green, Red colors all mean nothing to them. Also, Violet, Lavender, Purple, Blue may sound like too many words for the same hue.

They can’t interpret traffic signal lights. They can’t distinguish colors of foods, may not realize they are a bit more burnt in the sun. They may wear mismatching clothes, socks etc. Buying of clothes and color matching becomes a challenge.

Now, are you perplexed with your color vision ability, go ahead, take the video test for Color Blindness. Best wishes.

Use the Video: Color blindness test

Disclaimer: This video is not physician tested. The video is included for your awareness. Check your physician for real test.

Color related Terminologies: ALBINISM (or) ACHROMIA


A person or animal whose skin, hair, and eyes lack normal coloration because of genetic factors. Albinos have a white skin, whitish hair, and pink eyes,, Also, include plants lacking chlorophyll.


Disclaimer: The above content is provided for information and awareness purpose only. It is not prescriptive or suggestive or meant to replaces your qualified physician's advice or consultation.