Evidence map›Paper›PMID 34675076›Full record

ArticleProceedings of the National Academy of Sciences of the United States of America2021

Dietary ω-3 polyunsaturated fatty acids are protective for myopia.

Miaozhen Pan, Fei Zhao, Bintao Xie, Hao Wu, Sen Zhang, Cong Ye, Zhenqi Guan, Lin Kang, Yuqing Zhang, Xuan Zhou and 7 more

Registry-linked trialAbstract read
In one paragraph

Article in Proceedings of the National Academy of Sciences of the United States of America, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT06995586 (The Synergistic Action of Vitamins and Dietary Supplements in Patients With Coronary Artery Bypass Grafting for Improving the Quality of Healthcare Delivery.), which is not on this map. Cited by 57 papers, 4 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
57citing papers in PubMed, 4 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

NCT06995586 nanot yet recruitingnot on this mapstarted 2026, after this paper: background citation

The Synergistic Action of Vitamins and Dietary Supplements in Patients With Coronary Artery Bypass Grafting for Improving the Quality of Healthcare Delivery.

TypeinterventionalSponsorNicosia General HospitalRan2026 to 2028Enrolled108ConditionsCardio-pulmonary Bypass, Cardiovascular Diseases, Omega-3 Polyunsaturated Fatty Acids, Omega-3 SupplementationArmsVitamin C, Omega 3 PUFA (EPO/DHA), Lignin, Lactulose
3 · Its place in the literature

Who cites it

57 citing papers in PubMed, 4 syntheses or guidelines pooled it.

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  18. The research progress and potential applications ofThe British journal of nutrition · 2025
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

17 authors.

Miaozhen PanSchool of Ophthalmology and Optometry and Eye Hospital, Wenzhou Medical University, Wenzhou 325027, China.
Fei ZhaoSchool of Ophthalmology and Optometry and Eye Hospital, Wenzhou Medical University, Wenzhou 325027, China.
Bintao XieSchool of Ophthalmology and Optometry and Eye Hospital, Wenzhou Medical University, Wenzhou 325027, China.
Hao WuSchool of Ophthalmology and Optometry and Eye Hospital, Wenzhou Medical University, Wenzhou 325027, China.ORCID 0000-0001-8448-5284
Sen ZhangSchool of Ophthalmology and Optometry and Eye Hospital, Wenzhou Medical University, Wenzhou 325027, China.
Cong YeSchool of Ophthalmology and Optometry and Eye Hospital, Wenzhou Medical University, Wenzhou 325027, China.ORCID 0000-0002-4546-2298
Zhenqi GuanSchool of Ophthalmology and Optometry and Eye Hospital, Wenzhou Medical University, Wenzhou 325027, China.
Lin KangSchool of Ophthalmology and Optometry and Eye Hospital, Wenzhou Medical University, Wenzhou 325027, China.
Yuqing ZhangSchool of Ophthalmology and Optometry and Eye Hospital, Wenzhou Medical University, Wenzhou 325027, China.
Xuan ZhouSchool of Ophthalmology and Optometry and Eye Hospital, Wenzhou Medical University, Wenzhou 325027, China.
Yi LeiSchool of Ophthalmology and Optometry and Eye Hospital, Wenzhou Medical University, Wenzhou 325027, China.ORCID 0000-0001-6464-089X
Qi WangSchool of Ophthalmology and Optometry and Eye Hospital, Wenzhou Medical University, Wenzhou 325027, China.
Li WangSchool of Ophthalmology and Optometry and Eye Hospital, Wenzhou Medical University, Wenzhou 325027, China.
Fan YangSchool of Ophthalmology and Optometry and Eye Hospital, Wenzhou Medical University, Wenzhou 325027, China.
Chenchen ZhaoSchool of Ophthalmology and Optometry and Eye Hospital, Wenzhou Medical University, Wenzhou 325027, China.
Jia QuSchool of Ophthalmology and Optometry and Eye Hospital, Wenzhou Medical University, Wenzhou 325027, China; jqu@wz.zj.cn zxt@mail.eye.ac.cn.
Xiangtian ZhouSchool of Ophthalmology and Optometry and Eye Hospital, Wenzhou Medical University, Wenzhou 325027, China; jqu@wz.zj.cn zxt@mail.eye.ac.cn.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Myopia is a leading cause of visual impairment and blindness worldwide. However, a safe and accessible approach for myopia control and prevention is currently unavailable. Here, we investigated the therapeutic effect of dietary supplements of omega-3 polyunsaturated fatty acids (ω-3 PUFAs) on myopia progression in animal models and on decreases in choroidal blood perfusion (ChBP) caused by near work, a risk factor for myopia in young adults. We demonstrated that daily gavage of ω-3 PUFAs (300 mg docosahexaenoic acid [DHA] plus 60 mg eicosapentaenoic acid [EPA]) significantly attenuated the development of form deprivation myopia in guinea pigs and mice, as well as of lens-induced myopia in guinea pigs. Peribulbar injections of DHA also inhibited myopia progression in form-deprived guinea pigs. The suppression of myopia in guinea pigs was accompanied by inhibition of the "ChBP reduction-scleral hypoxia cascade." Additionally, treatment with DHA or EPA antagonized hypoxia-induced myofibroblast transdifferentiation in cultured human scleral fibroblasts. In human subjects, oral administration of ω-3 PUFAs partially alleviated the near-work-induced decreases in ChBP. Therefore, evidence from these animal and human studies suggests ω-3 PUFAs are potential and readily available candidates for myopia control.

Indexed as

Administration, OralAnimalsCells, CulturedCell TransdifferentiationChoroidDietary SupplementsDisease Models, AnimalDisease ProgressionDocosahexaenoic AcidsEicosapentaenoic AcidFatty Acids, Omega-3Guinea PigsHumansHypoxiaMiceMyofibroblastsDocosahexaenoic AcidsEicosapentaenoic AcidFatty Acids, Omega-3choroidal blood perfusionmyofibroblast transdifferentiationmyopiascleral hypoxiaω-3 PUFAs

Identifiers

PMID34675076
PMCPMC8639353

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Registered trials

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.