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Testing non-visual light impacts on pupil response, circadian timing, and hormones for Normal Physiology
Study Summary
This trial tests how the eye's pupil responds to light, and how that relates to sleep and daily rhythms in people of different ages. Participants wear a watch, have an eye exam and complete questionnaires before staying in a research room for testing.
Eligibility Criteria
Inclusion Criteria
You may be eligible if you check “Yes” for the criteria belowTimeline
Treatment Details
Study Objectives
Outcome measures can provide a clearer picture of what you can expect from a treatment.Trial Design
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Frequently Asked Questions
Is the upper age limit for enrolment in this investigation set at 65 years of age?
"This study is accepting participants who are aged 18 or above and younger than 85."
How large is the total cohort for this research endeavor?
"Indeed, clinicaltrials.gov confirm that this study is currently recruiting patients. This trial was first introduced on December 1st 2023 and most recently updated on the 4th of same month. 48 participants are being sought out from a single medical centre."
Are participants currently being enrolled into this investigation?
"The medical trial is still enrolling participants as evidenced by the information available on clinicaltrials.gov; it was initiated on December 1st 2023, and its listing has been updated most recently on December 4th 2023."
What are the eligibility requirements for participation in this clinical trial?
"This study requires 48 volunteers, aged 18 to 85, with no current medical complications and a habitual sleep-wake cycle ranging from 10pm to 1am for sleep onset and 5:30am to 8:30am for wake onset. All participants must have vision correctable up to 20/20."
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