Colour Vision Deficiency …. What difference does it make ?

Colour vision is the ability to see differences in the wavelength of light reflected by different objects.  

Some people find it difficult to distinguish between certain colours.  This is known as colour deficiency.  The most common colours that people mix up are red and green.    Approximately 8% of men, and 0.5% of women have colour deficiency.  A simple test will determine if your colour vision is normal.   Read More »