There are a few everyday situations that 24-year-old Mason Suljic struggles in. He can’t always read graphs, charts or maps very well. The red squiggly line that alerts you to spelling mistakes looks different to him. Selecting pencil colours or clothes is always a gamble, as is trying to pick sufficiently ripened fruit at the supermarket.
Like around one in 12 men and one in 200 women, Suljic has red-green colour-blindness – or, more accurately, is colour vision deficient – which makes it hard to tell the difference between some hues and reduces the overall number of colours he can see. Today, though, his eyesight is undergoing a temporary but radical transformation.
