Related Experiment Video
Updated: Aug 1, 2025
10:28
Compact Lens-less Digital Holographic Microscope for MEMS Inspection and Characterization
Published on: July 5, 2016
10.3K
Contact lens embedded holographic pointer
François-Maël Robert1, Bernard Abiven1, Maïna Sinou1
1Département Optique, IMT Atlantique, Technopôle Brest-Iroise, 655 Avenue du Technopôle, CS 83818 - 29238, Brest Cedex 3, France.
Scientific Reports
|April 27, 2023
Summary
This study introduces an infrared laser pointer integrated into a scleral contact lens (SCL). This device, powered wirelessly, offers visual assistance and augmented reality applications.
Area of Science:
- Biomedical Engineering
- Optical Engineering
- Materials Science
Background:
- Scleral contact lenses (SCLs) offer a platform for ocular device integration.
- Miniaturization of electronic and optical components is crucial for wearable technology.
- Existing visual assistance and augmented reality systems often lack seamless integration.
Purpose of the Study:
- To develop and characterize an infrared laser pointer integrated into an SCL.
- To explore remote powering and optical functionalities for enhanced vision.
- To address the challenges of encapsulating functional components within an SCL.
Main Methods:
- Fabrication and assembly of SCL constitutive blocks.
- Integration of a vertical-cavity surface-emitting laser (VCSEL) and a diffractive optical element (DOE).
- Remote power delivery via inductive coupling and wireless antenna integration.
Main Results:
- Successful encapsulation of VCSEL and DOE within an SCL.
- Demonstration of laser beam collimation and pattern projection capabilities.
- Evaluation of performance metrics for visual assistance and augmented reality.
Conclusions:
- The developed SCL-integrated laser pointer is a viable technology for visual assistance.
- Wireless powering and miniaturized optics enable novel augmented reality applications.
- Overcoming encapsulation challenges is key to advancing SCL-based devices.
