rct
2015
High Quality
Bilberry extract supplementation for eye fatigue in video display terminal workers: a randomized, double-blind, placebo-controlled trial
Ozawa Y, Kawashima M, Inoue S
Published in Journal of Nutrition, Health and Aging
Key Findings
A 480 mg/day bilberry anthocyanin extract significantly reduced subjective ocular fatigue versus placebo in adults with heavy screen use.
Conclusions
Bilberry extract eased eye fatigue symptoms in VDT workers over eight weeks.
Limitations
Subjective primary endpoint, short duration and manufacturer funding.
Supplements Studied
Bilberry
Herb
480 mg/day of bilberry anthocyanin extract significantly reduced subjective ocular fatigue in VDT workers.
Outcomes Measured
480 mg/day of bilberry anthocyanin extract significantly reduced subjective ocular fatigue in VDT workers.
Study Details
Year:2015
Sample Size:88
Duration:8 weeks
Quality Score:7/10
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