Restoring natural blinking by mapping eyelid nerve and muscle signals
ESTABLISHING THE NEUROPHYSIOLOGICAL BASIS FOR RESTORATION OF NATURAL BLINK
This project will learn how eyelid nerves and muscles create a natural blink so future devices can restore blinking for people with facial paralysis from stroke or other nerve injuries.
Quick facts
| Grant type | R21 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | University of California Los Angeles NIH-funded |
| Lab location | 1 site (Los Angeles, United States) |
| Project ID | NIH-11176997 on NIH RePORTER |
What this research studies
Researchers will record how eyelid muscles and the nerves that control them produce normal blink movements by taking detailed electrical and motion measurements. They will link specific patterns of muscle activation to the timing and shape of eyelid closure using biomechanical analyses. That knowledge will be used to guide the design of neuroprosthetic approaches that aim to recreate natural, functional blinking. The work focuses on the basic neuromechanics needed before a clinical device can be built and tested.
Who could benefit from this research
Good fit: Ideal candidates are people with impaired or absent blink and eyelid closure due to facial paralysis from stroke or other neurological injuries.
Not a fit: People with eyelid problems caused by purely structural eyelid disorders, cosmetic concerns only, or who already have effective surgical correction are unlikely to benefit from this early-stage research.
Why it matters
Potential benefit: If successful, this work could enable neuroprosthetic devices that restore natural, protective blinking and improve eye comfort, vision, and facial expression for people with eyelid paralysis.
How similar studies have performed: Existing surgical and static procedures often fail to reproduce a natural blink, and this basic-science approach is relatively novel with limited prior success in producing clinical neuroprostheses.
Where this research is happening
Los Angeles, United States
- University of California Los Angeles — Los Angeles, United States (Active)
Researchers
- Principal investigator: Clites, Tyler R — University of California Los Angeles
- Study coordinator: Clites, Tyler R
About this research
- This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
- Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
- For full project details, budget, and progress reports, visit the official NIH RePORTER page below.