Unsupported browser

You are using an outdated browser. Please upgrade your browser to improve your experience.

Sign up for an Award

Participate with your entry in one of our professional or student awards.

Sign up for an award

Sign up for a Profile

Create your own profile and publish it in the iF WORLD DESIGN GUIDE.

Sign up for a profile

Learn more:


Present your project for free and win your share of EUR 50,000 in prize money.

Publish your project

Multicase / contact lens container


Contact lens container usually need to be changed to new one every 2-3 months , which leads to waste of material. Worse still, people tend to easily forget when they should discard the containers. Multicase’s outer surface is covered with special paint, which will stimulate a kind of oxidation reaction and turn from blue to red gradually during two months.When it is time to change the container, the color of surface is changed from blue to red, which is the same color as the central cover. The visualization process can easily notificate people when to replace the expired container with new one. The container can be reused for several times


University of Edinburgh

University of Edinburgh

Mingwei Zhang,
University of Edinburgh

Dongyun Yang,
University of Edinburgh

Huachao Gong,
Tsinghua University