Evidence map›Paper›PMID 34519170›Full record

ReviewActa ophthalmologica2022

Schlemm's canal: the outflow 'vessel'.

Katarzyna Lewczuk, Joanna Jabłońska, Joanna Konopińska, Zofia Mariak, Marek Rękas

Open access · hybridAbstract readReview
In one paragraph

Review in Acta ophthalmologica, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 42 papers.

0numbers the graph read from it
0cells of the map it votes in
42citing papers in PubMed
5.6field-weighted citation impact, top 3% 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

42 citing papers in PubMed, 48 citations in OpenAlex.

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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

5 authors at 2 institutions in 1 country.

Katarzyna LewczukDepartment of Ophthalmology, Military Institute of Medicine, Warsaw, Poland.
Joanna JabłońskaDepartment of Ophthalmology, Military Institute of Medicine, Warsaw, Poland.
Joanna KonopińskaDepartment of Ophthalmology, Medical University in Bialystok, Białystok, Poland.ORCID https://orcid.org/0000-0002-9088-6938
Zofia MariakDepartment of Ophthalmology, Medical University in Bialystok, Białystok, Poland.
Marek RękasDepartment of Ophthalmology, Military Institute of Medicine, Warsaw, Poland.
Wojskowy Instytut Medycyny Lotniczej · PLMedical University of Białystok · PL

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

In a healthy eye, the aqueous humour (AH) flows via the ciliary body and trabecular meshwork into the collector channels, which carry it to the episcleral veins. In glaucoma, a heterogeneous group of eye disorders affecting approximately 60 million individuals worldwide, the juxtacanalicular meshwork offers greater resistance to the outflow of the AH, leading to an increase in outflow resistance that gradually results in elevated intraocular pressure (IOP). The present review comprehensively covers the morphology of Schlemm's canal (SC) and AH pathways. The path of the AH from the anterior chamber through the trabeculum into suprascleral and conjunctival veins via collector channels is described, and the role of SC in the development of glaucoma and outflow resistance is discussed. Finally, channelography is presented as a precise method of assessing the conventional drainage pathway and facilitating localization of an uncollapsed collector and aqueous veins. Attention is also given to the relationship between aqueous and episcleral veins and heartbeat. Possible directions of future research are proposed.

Indexed as

GlaucomaIntraocular PressureAqueous HumorHumansScleraTrabecular Meshworkaqueous humourchannelographyconventional drainage pathwayglaucomaoutflow resistanceSchlemm's canal

Identifiers

PMID34519170
PMCPMC9293138
OpenAlexW2562342360

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.