Evidence map›Paper›PMID 33607013›Full record

ArticleThe Lancet. Global health2021

Ageing and vision loss: looking to the future.

Bonnielin K Swenor, Joshua R Ehrlich

Registry-linked trialAbstract readComment
PubMed Publisher
In one paragraph

Article in The Lancet. Global health, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT07218991 (Wearable Echolocation Aids Using Parametric Sound), which is not on this map. Cited by 30 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
30citing papers in PubMed, 1 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.

NCT07218991 narecruitingnot on this mapstarted 2025, after this paper: background citation

Wearable Echolocation Aids Using Parametric Sound

TypeinterventionalSponsorThe University of Texas Medical Branch, GalvestonRan2025 to 2028Enrolled50ConditionsLow VisionArmsWearable Echolocation Device
3 · Its place in the literature

Who cites it

30 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
  2. Review
  3. Article
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  6. From environmental exposure to retinal pathology: epidemiological and mechanistic insights into multi-metal driven ocular diseases.Biometals : an international journal on the role of metal ions in biology, biochemistry, and medicine · 2026
    Article
  7. Article
  8. Article
  9. [Association between socioeconomic status and vision impairment among Chinese elderly].Beijing da xue xue bao. Yi xue ban = Journal of Peking University. Health sciences · 2025
    Article
  10. Review
  11. Article
  12. Article
  13. Article
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  15. Invited Editorial: Uniting the vision and aging sectors to advance healthy aging and eye health-The Manila Statement.Optometry and vision science : official publication of the American Academy of Optometry · 2025
    Article
  16. Article
  17. Article
  18. Article
  19. Observational
  20. Review
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

2 authors.

Bonnielin K SwenorWilmer Eye Institute, Johns Hopkins School of Medicine, Johns Hopkins University, Baltimore, MD 21218, USA; Disability Health Research Center, Johns Hopkins University, Baltimore, MD 21218, USA; Center on Aging and Health, Johns Hopkins University, Baltimore, MD 21218, USA; Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD 21218, USA. Electronic address: bswenor@jhmi.edu.
Joshua R EhrlichDepartment of Ophthalmology and Visual Sciences, University of Michigan, Ann Arbor, MI, USA; Institute for Healthcare Policy and Innovation, University of Michigan, Ann Arbor, MI, USA.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

PubMed holds no abstract for this paper.

Indexed as

AgingGlobal HealthBlindnessForecastingHumansVision Disorders

Identifiers

What OpenQuestion holds

Textmetadata
Read underepoch 390

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.