In a world filled with an awe-inspiring spectrum of colours, many of us take our ability to perceive them for granted. However, this kaleidoscope can appear muted and lacklustre for those with colour vision deficits. Enter optometrist and developer Ian Rosser, a pioneer in the realm of colour vision glasses, who has dedicated his career […]

Every human is different, and each can have varying colour vision deficits. In this image you can see that if you have colour vision deficit, it depends entirely on its type and severity. It is not the same for each person. There are different types of colour blindness, including red-green, blue-yellow, and complete colour blindness. […]

99% of all colourblind people are not really colour blind but colour deficient; the term colour. Red-green colour blindness is a combination of red-blindness (protan defects) and green-blindness (deutan defects). Colour blindness is more prevalent among males than females, because the most common form of colour vision deficiency is encoded on the X sex chromosome. “What colour is this?” is the most annoying question you can ask your […]