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Eye pain mystery: scientists probe nerve link in dry eye sufferers

NCT ID NCT04838223

Terminated Knowledge-focused Sponsor: Tufts Medical Center Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looks at how common nerve problems are in people who feel eye discomfort. Researchers will test 1,000 participants to see if their pain is linked to nerve damage rather than just dry eye. The goal is to better understand these conditions and improve diagnosis.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

dry eye syndrome neuralgia

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

DRY EYE NEUROPATHIC PAIN

Contacts and locations

Locations

  • Baylor College of Medicine

    Houston, Texas, 77030, United States

  • Bruce W. Carter VA Medical Center

    Miami, Florida, 33125, United States

  • Canyon City Eye Care

    Azusa, California, 91702, United States

  • Hospital of the University of Pennsylvania (Scheie Eye Institute Perelman)

    Philadelphia, Pennsylvania, 19104, United States

  • Illinois College of Optometry

    Chicago, Illinois, 60616, United States

  • Kannarr Eye Care

    Pittsburg, Kansas, 66762, United States

  • Korb & Associates

    Boston, Massachusetts, 02215, United States

  • Midwest Vision Research Foundation at Prepose Vision Institute

    St Louis, Missouri, 63128, United States

  • Ophthalmology Associates

    St Louis, Missouri, 63131, United States

  • SkyVision Centers

    Westlake, Ohio, 44145, United States

  • Tufts Medical Center

    Boston, Massachusetts, 02111, United States

  • University of California at San Francisco - Francis I Proctor Foundation

    San Francisco, California, 94143, United States

  • University of Illinois at Chicago

    Chicago, Illinois, 60612, United States

  • University of Maryland

    Baltimore, Maryland, 21201, United States

  • Vita Eye Clinic

    Shelby, North Carolina, 28150, United States

  • Western University of Health Sciences

    Pomona, California, 91766, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.