# Blueberry-visual-fatigue-randomized-trial: What the Evidence Says
Canonical: https://www.migaku.app/guides/blueberry-visual-fatigue-randomized-trial-evidence-review
Category: evidence-review
Summary: Blueberry-visual-fatigue-randomized-trial has 2 source documents in the current Migaku evidence database. The strongest available sources in this first pass a
Last reviewed: 2026-08-11
Reviewed by: Migaku Evidence Review
# Blueberry-visual-fatigue-randomized-trial: What the Evidence Says

## Quick Answer

Blueberry-visual-fatigue-randomized-trial has 2 source documents in the current Migaku evidence database. The strongest available sources in this first pass are mixed biomedical and public-health sources, so conclusions should be framed as evidence-aware guidance rather than medical advice.

## Key Takeaways

- This page is generated only from sources stored in the Migaku evidence knowledge base.
- Current evidence mix: 2 preclinical study.
- Claims should be interpreted with the source type, study design, population, and publication date in mind.
- This article is educational and does not replace care from a qualified clinician.

## Evidence Map

| Source | Evidence type | Level | Date | Identifier |
| --- | --- | ---: | --- | --- |
| Brain Foods: A Narrative Review of Food Items and Their Impact on Cognition over the Life Course | preclinical study | 4 | 2026-05-31 | 10.3390/nu18111779 |
| Polyphenols and Eye Health: A Narrative Review of the Literature on the Therapeutic Effects for Ocular Diseases | preclinical study | 4 | 2025-12-25 | 10.3390/nu18010069 |

## What The Sources Report

- With the global population aging, the prevalence of impairment and neurocognitive disorders has increased substantially, intensifying public health concerns. [Hardaway Chante (2026); evidence level 4]
- Among these, nutrition has emerged as a central and potentially scalable factor, with converging evidence suggesting that dietary exposures meaningfully influence brain structure, function, and long-term cognitive trajectories. [Hardaway Chante (2026); evidence level 4]
- In addition to having a detrimental impact on everyday activities and quality of life, impaired vision also raises the likelihood of depression and disability in later life and can result in a loss of independence. [D’Angelo Angela (2025); evidence level 4]
- Increasing evidence suggests that diet and specific nutrients may modulate these interconnected molecular networks, complementing standard pharmacological or surgical treatments and potentially slowing disease progression. [D’Angelo Angela (2025); evidence level 4]

## How To Read This Evidence

Evidence level 1 generally reflects systematic reviews or meta-analyses. Level 2 includes randomized trials, guidelines, or public-health guidance. Level 3 usually reflects observational or narrative-review evidence. Level 4 is weaker or early-stage evidence. The level is a sorting aid, not a final quality grade.

## Practical Interpretation

For blueberry-visual-fatigue-randomized-trial, the current source set is useful for orientation, but it is not yet broad enough for strong claims. Use cautious language and keep conclusions close to the cited sources.

## Limits Of This First Pass

This is a small-batch MVP article. It uses the first ingested sources for this topic and should be expanded with more targeted searches, license review, and human editorial checks before being treated as a definitive review.

## References

- Hardaway Chante (2026). Brain Foods: A Narrative Review of Food Items and Their Impact on Cognition over the Life Course. DOI: 10.3390/nu18111779. PMCID: PMC13258466. PMID: 42280422. License: CC BY 4.0. https://pmc.ncbi.nlm.nih.gov/articles/PMC13258466/
- D’Angelo Angela (2025). Polyphenols and Eye Health: A Narrative Review of the Literature on the Therapeutic Effects for Ocular Diseases. DOI: 10.3390/nu18010069. PMCID: PMC12787918. PMID: 41515186. License: CC BY 4.0. https://pmc.ncbi.nlm.nih.gov/articles/PMC12787918/

## Safety Note

Health information can change, and individual risk depends on medical history, medications, pregnancy status, age, and diagnosis. Talk with a qualified clinician before changing treatment, supplement, or medication routines.