Your morning coffee might affect your eye health – new study investigates

NCT ID NCT03675412

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

Summary

This study looks at how caffeine changes blood flow in the back of the eye in people with glaucoma and in healthy volunteers. Researchers will use a special camera to measure blood flow before and after drinking caffeine. The goal is to understand if caffeine affects eye health differently in glaucoma patients.

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

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

Contacts and locations

Locations

  • Wills Eye Glaucoma Service

    RECRUITING

    Philadelphia, Pennsylvania, 19107, United States

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