Scientists Develop Contact Lenses That Zoom In When You Blink Twice

Posted: Jul 28 2019, 11:58pm CDT | by , Updated: Jul 29 2019, 5:53am CDT , in Technology News


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Scientists develop contact lenses that zoom in when you blink twice
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It’s some spy movie sorcery.

Scientists from California and China have created robotic contact lenses that can be controlled by eye movements like upward and downward gazes and even by blinking.

The “soft robot,” called the Biomimetic Soft Lens, was developed by researchers from the University of California and from China’s Harbin Institute of Technology, namely: Jinrong Li, Yang Wang, Liwu Liu, Sheng Xu, Yanju Liu, Jinsong Leng and Shengqiang Cai.

The research was published by the Advanced Functional Materials journal, which reports breakthrough research in all fields of materials science.

Here’s the abstract of the research paper:

Thanks to many unique features, soft robots or soft machines have been recently explored intensively to work collaboratively with human beings. Most of the previously developed soft robots are either controlled manually or by prewritten programs. In the current work, a novel human–machine interface is developed to use electrooculographic signals generated by eye movements to control the motions and the change of focal length of a biomimetic soft lens. The motion and deformation of the soft lens are achieved by the actuation of different areas of dielectric elastomer films, mimicking the working mechanisms of the eyes of human and most mammals. The system developed in the current study has the potential to be used in visual prostheses, adjustable glasses, and remotely operated robotics in the future.

When designing the robot lenses, the scientists have studied the schematic of a human eye, the muscles that control an eyeball’s motions and other aspects of the human eye. They have also measured the connection and movements between the front and back of the eye in order to control the motions and change the focal length of the lenses.

Blinking twice would allow the wearer to change the focal length of the lenses just like a camera.

The scientists are looking to apply the system that they developed for future use in visual prostheses, adjustable glasses and remotely operated robotics.

“It can also be used as physical model for visualizing physiological principles, which is important in biology and medicine,” the researchers said in the paper.

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<a href="/latest_stories/all/all/81" rel="author">Mandy Jean</a>
Mandy covers the latest news in Tech and Business.




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