Just one cigarette changes your eyes in minutes, study finds

NCT ID NCT07580040

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

Summary

This study looks at what happens to the front part of the eye (the cornea) right after smoking a cigarette. Researchers will measure changes in corneal thickness and clarity in 90 healthy adults, comparing smokers to non-smokers. The goal is to understand if smoking causes immediate, measurable effects on eye structure.

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Conditions

The condition(s) this trial relates to.

Cigarette Smoking corneal disorder

As listed by the trial registrant

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

Contacts and locations

Locations

  • Istanbul University, Istanbul Faculty of Medicine

    RECRUITING

    Istanbul, 34093, Turkey (Türkiye)

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