Investigating how light affects corneal pain and sensitivity

Molecular, cellular, anatomical and neurobiological investigation of melanopsin-expressing corneal innervation, and its role in pain and photophobia

['FUNDING_R01'] · UNIVERSITY OF HOUSTON · NIH-11192986

This study is looking at how certain nerve cells in the eye respond to light and affect pain, especially for people dealing with corneal injuries or dry eye, to help find better ways to treat their discomfort.

Quick facts

Phase['FUNDING_R01']
Study typeNih_funding
SexAll
SponsorUNIVERSITY OF HOUSTON (nih funded)
Locations1 site (HOUSTON, UNITED STATES)
Trial IDNIH-11192986 on ClinicalTrials.gov

What this research studies

This research explores the role of specific sensory neurons in the cornea that respond to light and contribute to pain and sensitivity. It aims to understand how these neurons, which express a protein called melanopsin, are involved in conditions like corneal injury and dry eye disease. By studying these mechanisms, the research seeks to uncover new insights into how light can influence pain perception, potentially leading to better treatments for patients suffering from debilitating corneal pain. The approach includes using disease models to assess the function of these neurons in both normal and sensitized states.

Who could benefit from this research

Good fit: Ideal candidates for this research include individuals suffering from corneal pain, dry eye disease, or conditions that cause light sensitivity.

Not a fit: Patients with corneal pain not related to melanopsin-expressing neurons or those without any corneal conditions may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to improved treatments for patients experiencing chronic corneal pain and light sensitivity.

How similar studies have performed: While the specific investigation of melanopsin-expressing neurons in corneal pain is relatively novel, there is accumulating evidence suggesting that light can influence pain perception, indicating potential for success.

Where this research is happening

HOUSTON, UNITED STATES

Researchers

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page below.

View on NIH RePORTER →

Last reviewed 2026-05-15 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.