U.S., June 5 -- ClinicalTrials.gov registry received information related to the study (NCT07625358) titled 'Investigating the Effect of Caffeine and Alcohol on Pupil Dynamics' on May 18.
Brief Summary: The goal of this study is to understand how caffeine and alcohol affect the ocular and physiological systems, especially how the pupil (the aperture in the colored part of the eye) responds to light. It will also test whether these changes can be used to detect recent caffeine or alcohol intake using a portable eye device.
The main questions it aims to answer are:
1. How does caffeine change pupil responses, eye movements, and other ocular and physiological measurements?
2. How does alcohol change these same ocular and physiological respo...