Explore the Causes of Color Blindness

Visualize watching a particular color and yet not identifying it. Color blindness is somewhat of a mysterious ailment that usually goes unnoticed, until the affected individual gets involved in an alarming disagreement with someone over certain colors. Interestingly, that’s how most victims realize about the existence of this ailment in their lives.

Basically, color blindness is a vision deficiency to identify specific colors. The affected individual fails to differentiate two colors or certain different colors. Majority of the victims have a hard time identifying these two colors: green and red. Some of them fail to distinguish the yellow color as well.

Another interesting fact linked with color blindness is that the percentage of men falling prey to this ailment is more than four folds in comparison to their counterparts. As per statistics, about 8% of men suffer from this condition across the world, whereas less than 2% of women suffer from color blindness. Today, there are several factors held responsible for the arrival of this ailment in our lives. Let’s explore the various causes of color blindness.

Genetic Fault

More than often, this condition runs down in families. Usually, it’s conferred upon males from their mothers. Color blindness as a result of hereditary issues is almost untreatable. However, it’s believed that certain dietary changes can bring a ray of hope in the long run.

Parkinson’s Disease

Parkinson’s disease is characterized by failure of one’s nerves. As a result, our nerves malfunction causing harm to the retina. Consequently, one gets affected by color blindness.

Other Diseases

Apart from Parkinson’s disease, there are host of other health ailments that can cause color blindness. Diabetes, leukemia, Multiple sclerosis and Alzheimer’s disease can give rise to color blindness.


In certain cases, drugs meant for treating health issues such as heart disease and high blood pressure can trigger color blindness in an individual’s life. Apart from this, drugs prescribed for the cure of certain psychological disorder can also make way for color blindness. Usually, the side effects of these drugs affect our vision.

Exposure to Harmful Lights/Chemicals

Excess exposure to ultraviolet light is one of the most common causes of color blindness that exist today. Damage caused due to ultraviolet light exposure leads to retinal degeneration, thereby harming our eyesight. Besides this, exposure to certain unwanted chemicals and toxic components such as carbon monoxide and fertilizers can also result into color blindness over a period of time.


Age is another dominating factor blamed for color blindness, especially amongst elderly people. As we grow older in age, our eye’s ability to recognize colors fades away as well. More than often, individuals above the age of 60 are prone to catch up with this ailment.

One would be surprised to know that the first well established scientific paper on color blindness was composed by John Dalton, who was himself a color blind affected individual. Luckily, there is no grave health risks linked with this ailment.

Talking about minor issues linked with color blindness, one will encounter problems choosing the right colored clothes, reading a chart or identifying signals while driving. Usually, most sufferers are advised against driving. From a professional standpoint, a person affected by color blindness will not be able to pursue a career as a surgeon or a pilot.

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