Evidence map›Paper›PMID 33344201›Full record

ArticleInternational journal of ophthalmology2020

Frequency of presenting visual acuity and visual impairment in Chinese college students.

Jia-Min Cai, Ye Ye, Ping Liang, Tong Zhang, Jian-Hui Zheng, Jiao Wang, Jun Zhao

Open access · goldAbstract read
In one paragraph

Article in International journal of ophthalmology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.

0numbers the graph read from it
0cells of the map it votes in
5citing papers in PubMed
0.6field-weighted citation impact, top 30% 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, 6 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

7 authors at 1 institution in 1 country.

Jia-Min CaiSchool of Ophthalmology & Optometry Affiliated to Shenzhen University, Shenzhen Eye Hospital, Shenzhen 518040, Guangdong Province, China.
Ye YeSchool of Ophthalmology & Optometry Affiliated to Shenzhen University, Shenzhen Eye Hospital, Shenzhen 518040, Guangdong Province, China.
Ping LiangSchool of Ophthalmology & Optometry Affiliated to Shenzhen University, Shenzhen Eye Hospital, Shenzhen 518040, Guangdong Province, China.
Tong ZhangSchool of Ophthalmology & Optometry Affiliated to Shenzhen University, Shenzhen Eye Hospital, Shenzhen 518040, Guangdong Province, China.
Jian-Hui ZhengSchool of Ophthalmology & Optometry Affiliated to Shenzhen University, Shenzhen Eye Hospital, Shenzhen 518040, Guangdong Province, China.
Jiao WangSchool of Ophthalmology & Optometry Affiliated to Shenzhen University, Shenzhen Eye Hospital, Shenzhen 518040, Guangdong Province, China.
Jun ZhaoSchool of Ophthalmology & Optometry Affiliated to Shenzhen University, Shenzhen Eye Hospital, Shenzhen 518040, Guangdong Province, China.
Shenzhen University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

aimTo obtain the baseline data on presenting visual acuity (PVA) and evaluate the prevalence and associated factors for visual impairment based on PVA in 9070 Chinese college students.

methodsThe freshmen at a university in southern China, including 6527 undergraduate students and 2543 graduate students, were investigated for some socio-demographic characteristics and underwent routine medical examination, including measuring PVA, height, and weight. Visual impairment was defined according to the new World Health Organization criteria for blindness and visual impairment.

resultsIn 9070 college students, the mean PVA in the better eye was 0.094±0.163 logMAR. The prevalence of visual impairment based on PVA was 2.7%. Only 38.3% college students had normal visual acuity [PVA equal to 0 logMAR (20/20) in both eyes]. There were 69.8% of students wearing spectacles. Logistic regression showed that home region (non-Guangdong provinces,

conclusionThis study provides the baseline data on PVA and the prevalence of visual impairment in Chinese college students. Our analyses reveal that BMI and home region are associated factors for visual impairment based on PVA, while age and ethnicity are associated factors for wearing spectacles.

Indexed as

Chinacollege studentpresenting visual acuityprevalencevisual impairment

Identifiers

PMID33344201
PMCPMC7708372
OpenAlexW3108486251

What OpenQuestion holds

Textmetadata
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.