Evidence map›Paper›PMID 29670760›Full record

ArticleBMJ innovations2018

Comparative evaluation of a novel solar powered low-cost ophthalmoscope (Arclight) by eye healthcare workers in Malawi.

Rebecca Blundell, David Roberts, Evridiki Fioratou, Carl Abraham, Joseph Msosa, Tamara Chirambo, Andrew Blaikie

Open access · hybridAbstract read
In one paragraph

Article in BMJ innovations, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
6citing papers in PubMed, 1 pooled it
2.6field-weighted citation impact, top 12% 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

6 citing papers in PubMed, 1 synthesis or guideline pooled it, 22 citations in OpenAlex.

  1. Pooled it
  2. Trial
  3. Article
  4. Article
  5. Article
  6. The Arclight and how to use it.Community eye health · 2019
    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

7 authors at 4 institutions in 2 countries.

Rebecca BlundellSchool of Medicine, University of Dundee, Dundee, UK.
David RobertsDepartment of Ophthalmology, Ninewells Hospital, Dundee, UK.
Evridiki FioratouSchool of Medicine, University of Dundee, Dundee, UK.
Carl AbrahamDepartment of Optometry, Malawi College of Health Sciences, Lilongwe, Malawi.
Joseph MsosaLions Sight First Eye Unit, Kamuzu Central Hospital, Lilongwe, Central Region, Malawi.
Tamara ChiramboEye Department, Nkhoma Hospital, Nkhoma, Malawi.
Andrew BlaikieGlobal Health Implementation, School of Medicine, University of St Andrews, St Andrews, UK.
University of Dundee · GBKamuzu Central Hospital · MWNinewells Hospital · GBUniversity of St Andrews · GB

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

This study compared a novel low-cost solar powered direct ophthalmoscope called the Arclight with a traditional direct ophthalmoscope (TDO). After appropriate training, 25 Malawian eye healthcare workers were asked to examine 12 retinal images placed in a teaching manikin head with both the Arclight ophthalmoscope and a traditional direct ophthalmoscope (Keeler Professional V.2.8). Participants were scored on their ability to identify clinical signs, to make a diagnosis and how long they took to make a diagnosis. They were also asked to score each ophthalmoscope for 'ease of use'. Statistically significant differences were found in favour of the Arclight in the number of clinical signs identified, correct diagnoses made and ease of use. The ophthalmoscopes were equally effective as a screening tool for diabetic retinopathy, and there was no statistically difference in time to diagnosis. The authors conclude that the Arclight offers an easy to use, low cost alternative to the traditional direct ophthalmoscope to meet the demands for screening and diagnosis of visually impairing eye disorders in low-income and middle-income countries.

Indexed as

blindnessculturally appropriate technologydiabetic retinopathyophthalmoscopesoptic nerve diseases

Identifiers

PMID29670760
PMCPMC5890623
OpenAlexW2786077010

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

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.