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Development of an In Vitro Ocular Platform to Test Contact Lenses
Published on: April 6, 2016
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Wireless Organic Light-Emitting Diode Contact Lenses for On-Eye Wearable Light Sources and Their Application to
Jee Hoon Sim1, Hyeonwook Chae1, Su-Bon Kim1
1School of Electrical Engineering, Graduate School of Semiconductor Technology, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea.
ACS Nano
|May 1, 2025
Summary
Researchers developed novel wearable light sources using organic light-emitting diodes (OLEDs) in contact lenses for improved electroretinography (ERG) measurements. This wireless system offers a comfortable, non-invasive alternative for on-eye digital healthcare applications.
Area of Science:
- Biomedical Engineering
- Ophthalmology
- Materials Science
Background:
- On-eye optoelectronic systems offer potential for monitoring physiological signals in healthcare.
- Existing methods for certain diagnostic tests, like electroretinography (ERG), can be cumbersome.
Purpose of the Study:
- To introduce wearable light sources integrated into contact lenses for on-eye healthcare applications.
- To demonstrate the efficacy of these organic light-emitting diode (OLED) contact lenses as a lighting solution for electroretinography (ERG).
Main Methods:
- Integration of ultrathin OLEDs with contact lenses.
- Development of a wireless power reception system including an antenna and controller chip.
- In vivo ERG measurements using the developed system in rabbits.
Main Results:
- The OLED contact lens system provided robust lighting for ERG measurements.
- In vivo experiments showed ERG signals comparable to conventional full-field stimulation.
- Wireless power transmission enabled ERG measurement with minimal signal interference.
Conclusions:
- Wearable OLED contact lenses represent a promising advancement for on-eye digital healthcare.
- The wireless system offers a comfortable and potentially more accessible method for ERG testing.
- This technology could significantly benefit patients and ophthalmologists by improving diagnostic procedures.
