What is Colour Blindness?
Colour Blindness is additionally referred to as Colour Vision Deficiency. color blindness isn't a disease, it's a genetic disease , but in some cases it also can be acquired.
If an individual is colour blind it doesn't mean he/she has poor vision. He/she can have an honest eyesight but can still be colour blind.
a private diagnosed with color blindness faces difficulty in recognizing certain colours. color blindness is seen affecting more Males than Females.
There are 3 sorts of Colour Blindness;
1. Red-Green Colour Vision Deficiency
2. Blue-Yellow Colour Vision Deficiency
3. Total Colour Vision Deficiency
Red-Green Colour Vision Deficiency:
This is the foremost common sort of color blindness . during this sort of color blindness the Cone Cells that are liable for recognizing Red and Green Colours lack light sensitive pigments, due to which they're not well developed and don't function normally.
a person who is affected with this sort of color blindness finds it challenging to select out Red and Green Colours in any given situation.
Blue-Yellow Colour Vision Deficiency:
This type of color blindness is a smaller amount common than Red-Green Colour Deficiency. during this sort of color blindness the Cone Cells that are liable for recognizing Blue and Yellow colours also lack light sensitive pigments, due to which they're not well developed and don't function normally. The individual trying to know the color Blue, often misidentifies it with Green and misidentifies Yellow with Violet.
Total Colour Vision Deficiency :
This is the rarest and more severe sort of color blindness . during this sort of color blindness the individual cannot distinguish between any colours in the least . None of the Cone Cells liable for colour assessment answer colour, hence allowing the individual to only see Black, White and gray .
Causes of Colour Blindness:
The human eye comprises of two sorts of photoreceptors; Rod Cells and Cone Cells. There are quite six million cone cells within the eye, most of which is concentrated within the Macula (centre most a part of a skinny layer of tissue called Retina).
Cone Cells are liable for Colour Vision. Cone Cells help in colour identification whereas Rod Cells help to ascertain in low-light (especially at night).
Colour Blindness is typically genetically caused i.e. most of the people are born with it. But, it are often acquired too.
When an individual is genetically colour blind, a minimum of one or more cone cells don't function properly enabling him/her to not identify different reminder Red, Green, Blue or Yellow.
However, color blindness are often acquired too. Many serious eye diseases like Age-Related degeneration , Diabetic Retinopathy, Glaucoma, Optic Atrophy etc.
can cause hindrance within the functioning of the cells which may cause an individual becoming colour blind.
Symptoms of Colour Blindness:
Most of the days the symptoms of color blindness are often so mild that they will go unnoticed. a couple of symptoms that are commonly seen are:
Difficulty in distinguishing between colours
Difficulty in distinguishing reminder an equivalent or similar colours
These signs can scale from mild to severe counting on the sort of color blindness .
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