Many people worry a lens could slip behind the eyeball, but fortunately that’s impossible. The conjunctiva forms a natural barrier, so a lens can only shift under the eyelid and is always easy to remove.

Beyond correcting vision, there are coloured lenses that can change your eye colour and even novelty lenses with wild designs or special effects used for costumes, theatre and shows. Some even glow in the dark or change colour in different light!

Contact lenses are so thin and light they can weigh less than a gram!

It's estimated that over 150 million people worldwide use contact lenses, and the number keeps growing thanks to the aesthetic and functional advantages they offer compared to glasses.

The concept of contact lenses dates back to 1508, when Leonardo da Vinci suggested altering vision by immersing the eye in water or using a glass sphere filled with water. The first usable contact lens, though, was made in 1888 by German ophthalmologist Adolf Fick.

In the 1920s, sunglasses became a true fashion icon thanks to Hollywood stars. Actors wore them not only to protect their eyes from powerful stage lights and spotlights, but also to hide from curious fans and keep an air of mystery.

Mountain climbers on snowy peaks are at high risk of snow blindness, a painful condition caused by corneal burns from excessive UV exposure reflected by snow. This is why full UV protection is essential for high-altitude expeditions.

Even on cloudy days, up to 80% of UV rays can pass through clouds. So sunglasses matter not only on sunny days, but also when the sky is overcast.

Audrey Hepburn in Breakfast at Tiffany’s made sunglasses a symbol of elegance. The pair she wore became an unforgettable style icon.

Sunglasses became essential for pilots in the early days of aviation. In World War I, they wore protective goggles against wind, debris, and glare. By the 1930s, these had evolved into the iconic Aviators, created by Bausch & Lomb for US Army Air Corps pilots. With their large teardrop lenses...