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Could a special screen light reduce tired eyes and dryness?

NCT ID NCT07706231

Not yet recruiting Symptom relief Sponsor: Zhongshan Ophthalmic Center, Sun Yat-sen University Source: ClinicalTrials.gov ↗

First seen Jul 15, 2026 · Last updated Jul 23, 2026 · Updated 3 times

Summary

This study tests whether a full-spectrum screen bar light can reduce eye fatigue and dry eye symptoms after two hours of computer work. Healthy adults aged 18 to 35 who use screens at least four hours daily will be randomly assigned to use the light or a standard screen without it. Researchers will measure changes in eye fatigue, blinking, tear film, and dry eye symptoms before and after the task.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance
full-spectrum screen bar light
What this could lead to
If effective, this lighting could offer a simple way to reduce eye strain and dryness for people who spend long hours at screens.
What could go wrong
This is a small, early-stage lab study with 112 participants, so results may not apply to real-world settings or all screen users.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

asthenopia dry eye syndrome

As listed by the trial registrant

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

COMPUTER VISION SYNDROME DRY EYE VISUAL FATIGUE

Contacts and locations

Locations

  • Zhongshan Ophthalmic Center

    Guangzhou, Guangdong, 510060, China

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