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Bioinspired photoresponsive soft robotic lens
Corey Zheng1,2, Shu Jia1,2,3
1Laboratory for Systems Biophotonics, Georgia Institute of Technology, Atlanta, GA 30332, USA.
Science Robotics
|October 22, 2025
Summary
Researchers developed a novel photoresponsive hydrogel soft lens (PHySL) for advanced vision systems. This all-optical tunable lens offers high resolution and multifunctionality for bioinspired imaging and robotics.
Area of Science:
- Optics and Photonics
- Materials Science
- Biomedical Engineering
Background:
- Tunable optical systems are crucial for adaptable imaging and autonomous operation.
- Existing bioinspired systems face challenges in biocompatibility, flexibility, and multifunctionality.
- Achieving robust, adaptable, and multifunctional soft vision remains an ongoing research area.
Purpose of the Study:
- To introduce a photoresponsive hydrogel soft lens (PHySL) with optical tunability and high resolution.
- To demonstrate an all-optical control mechanism for focal tuning using light energy.
- To explore advanced functionalities like wavefront engineering and optical steering.
Main Methods:
- Development of a dynamic hydrogel actuator responsive to light stimuli.
- Integration of the hydrogel actuator into a soft lens configuration (PHySL).
- Characterization of PHySL's optical tunability, resolution, and response to spatiotemporal light stimuli.
Main Results:
- PHySL demonstrated substantial focal tuning through autonomous harnessing of optical energy.
- The system achieved all-optical control, enabling dynamic focus adjustment.
- Advanced functionalities including wavefront engineering and optical steering were successfully implemented.
Conclusions:
- PHySL offers a promising solution for advanced soft vision systems, overcoming limitations of current technologies.
- The optically powered soft robotic approach has significant potential for adaptive medical devices and next-generation wearables.
- This research paves the way for innovative applications in autonomous systems and bioinspired engineering.

