WARNING: CONTAINS IMAGES SOME MAY FIND DISTURBING

When it comes to phobias, most people think of heights, spiders or flying. However, a slightly less common fear you may not have heard of is trypophobia.

The condition, which is said to affect around 15 percent of us, is defined by an irrational aversion to the sight of irregular patterns or clusters of small holes or bumps - think barnacles, sponges, strawberries, pomegranates etc.