Ageing eyes find it harder to perceive contrasts. It is also common to have reduced perception of the intensity and saturation of colours – red can, for example, be perceived as pink and purple as grey – and it can be difficult to distinguish between different shades of blue. For this reason, remember to work with contrasts in the interior design. A difference in colour between the walls and darker skirting boards or painting the walls with windows in a lighter shade than the other walls can help improve room perception. Do not set the table with white plates for white yoghurt and on a white tablecloth; instead, help people to orient themselves. However, choose discreet textiles and wallpaper, preferably in monochrome, avoiding striped and zigzag patterns as well as small patterns that can cause confusion and anxiety.