Evidence map›Paper›PMID 34586223›Full record

ArticleArquivos brasileiros de oftalmologia

Association between age-related macular degeneration and 25(OH) vitamin D levels in the Turkish population.

Naciye Kabataş, Aysun Şanal Doğan, Mevlüt Yılmaz, Emrah Utku Kabataş, Tolga Biçer, Sinan Çalışkan, Osman Çelikay, Fatma Uçar, Canan Gürdal

Open access · diamondAbstract read
In one paragraph

Article in Arquivos brasileiros de oftalmologia. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
5citing papers in PubMed, 1 pooled it
1.9field-weighted citation impact, top 15% of its field
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.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

5 citing papers in PubMed, 1 synthesis or guideline pooled it, 12 citations in OpenAlex.

  1. Vitamin D and Ocular Diseases: A Systematic Review.International journal of molecular sciences · 2022
    Pooled it
  2. Review
  3. Article
  4. Review
  5. Article
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

9 authors at 1 institution in 2 countries.

Naciye KabataşDepartment of Ophtalmology, Dışkapı Yıldırım Beyazıt Research and Education Hospital, Ankara, Turkey.ORCID 0000-0001-7434-4576
Aysun Şanal DoğanDepartment of Ophtalmology, Dışkapı Yıldırım Beyazıt Research and Education Hospital, Ankara, Turkey.ORCID 0000-0002-7401-8903
Mevlüt YılmazDepartment of Ophtalmology, Dışkapı Yıldırım Beyazıt Research and Education Hospital, Ankara, Turkey.ORCID 0000-0001-7896-7279
Emrah Utku KabataşDepartment of Ophtalmology, Dışkapı Yıldırım Beyazıt Research and Education Hospital, Ankara, Turkey.
Tolga BiçerDepartment of Ophtalmology, Dışkapı Yıldırım Beyazıt Research and Education Hospital, Ankara, Turkey.
Sinan ÇalışkanDepartment of Ophtalmology, Dışkapı Yıldırım Beyazıt Research and Education Hospital, Ankara, Turkey.
Osman ÇelikayDepartment of Ophtalmology, Dışkapı Yıldırım Beyazıt Research and Education Hospital, Ankara, Turkey.
Fatma UçarDepartment of Medicinal Chemistry, Dışkapı Yıldırım Beyazıt Research and Education Hospital, Ankara, Turkey.
Canan GürdalDepartment of Ophtalmology, Dışkapı Yıldırım Beyazıt Research and Education Hospital, Ankara, Turkey.
Ministry of Health · TR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeAge-related macular degeneration is the most common cause of blindness in developed countries, and several factors have been attributed for its etiology. This study was conducted to explore the relationship between serum vitamin D levels and age-related macular degeneration.

methodsWe retrospectively analyzed the data of 114 patients with age-related macular degeneration. A total of 102 patients who did not have any other diseases than refractive error were allocated to the control group. The best-corrected visual acuity, fundus findings, and spectral domain optical coherence tomography findings were analyzed. Patients were allocated to groups based on the Age-related Eye Disease Study classification. Serum 25(OH) vitamin D levels were measured. The central foveal thickness and the subfoveal choroidal thickness were measured by optical coherence tomography.

resultsThe 25(OH) vitamin D levels in age- and gender-matched patients with age-related macular degeneration and in healthy subjects were 14.6 ± 9.8 and 29.14 ± 15.1 ng/ml, respectively. The age-related macular degeneration group had significantly lower vitamin D levels than the control group (p>0.001). The subfoveal choroidal thickness was lower in patients with age-related macular degeneration (p>0.001). The 25(OH) vitamin D level showed a weak positive correlation with choroidal thickness (r=0.357, p=0.01). When the level of 25(OH) vitamin D was evaluated according to the stages of age-related macular degeneration, it was found to be lower in the advanced-stage disease (p=0.01). The risk for the development of choroid neovascular membrane and subretinal fibrosis was found to increase with decreased vitamin D levels.

conclusionsSignificantly decreased levels of 25(OH) vitamin D in advanced-stage age-related macular degeneration suggest a significant correlation existing between vitamin D deficiency and age-related macular degeneration development. Further studies are required to examine whether vitamin D supplementation has an effect on the development and progression of age-related macular degeneration.

Indexed as

Macular DegenerationVitamin DAngiogenesis InhibitorsChoroidFluorescein AngiographyHumansIntravitreal InjectionsRetrospective StudiesTomography, Optical CoherenceVisual AcuityAngiogenesis InhibitorsVitamin D

Identifiers

PMID34586223
PMCPMC11826640
OpenAlexW3175684443

What OpenQuestion holds

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LicenceCC BY
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Registered trials

None linked

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.