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

Little e / Little e

Little e

The main function of the product design is to digitize the visual acuity chart, use the eye lensto see the long-distance random opening direction change of the letter E in the internal visualacuity chart,select the opening direction of the letter e you see through the up, down,leftand right direction keys at the end of the produet,and the middle key at the end is the skipkey when you can't see clearly,After the test is completed, the final test result is obtainedthrough data analysis.



平顶山市, China

Jiawei Ma,
Henan University of Urban Construction

Qianli Chen,
Henan University of Urban Construction

Donghai Wang,
Henan University of Urban Construction