Colour your eyes for that special party!

Coloured contact lenses enhance the eye's appearance by changing the colour of the iris (coloured part of the eye). These lenses are made up of coloured dots and radial-coloured lines that mimic the natural iris pattern to give a realistic appearance. Coloured lenses used for cosmetic purposes usually have a transparent central portion surrounded by the coloured portion. These lenses do not hamper your vision or colour perception. Figure 1 describes the location of the iris (coloured part of the…