Seeing clearly: scientists probe how eye focus varies by color
NCT ID NCT07691463
First seen Jul 09, 2026 · Last updated Jul 17, 2026 · Updated 2 times
Summary
This study investigates how the human eye focuses on objects of different colors. Healthy volunteers aged 18-35 with normal vision will view colored shapes on a screen that appear to jump in distance. A wavefront sensor measures how accurately and quickly the eye refocuses. The goal is to better understand the eye's focusing mechanism, which is essential for clear vision.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- What this could lead to
- If successful, this could improve understanding of how the eye focuses, potentially aiding in better vision correction or treatments for focusing problems.
- What could go wrong
- This is a small, early-stage observational study with only 20 healthy participants, so results may not apply to everyone. It does not test any treatment or intervention.
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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
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Study contacts
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
Locations
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Chester F. Carlson Center for Imaging Science
RECRUITINGRochester, New York, 14623, United States
Contact Phone: •••-•••-•••• Email: •••••@•••••
Contact