Cochrane · systematic review · CD005023

Vision screening for correctable visual acuity deficits in school‐age children and adolescents

Evans, JR, Morjaria, P, Powell, C · Cochrane Database of Systematic Reviews · 2018 · Cochrane Library

Eyes and VisionAMSTAR 2: not assessed
SoF tableOnly the outcomes this review put in its Summary of Findings table are listed (the Cochrane Handbook caps them at about seven per comparison). Its other analyses are not shown here.
Questions
21
current version
GRADE rated
9
No studies
12
Included studies
NR
No studies 12 · 57.1%Ungraded 0 · 0%Very low 0 · 0%Low 3 · 14.3%Moderate 4 · 19%High 2 · 9.5%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

Questions and results

Free spectacles versus no free spectacles (prescription only)

Population: school‐age children and adolescents
7 questions
OutcomeEffectEvidenceStatus / GRADE
Uncorrected visual acuity deficit due to refractive error
Free spectacles vs no free spectacles (prescription only)
no estimate extractedNRNo studies
Uncorrected visual acuity deficit due to refractive error
Free spectacles vs no free spectacles (prescription only)
no estimate extractedNRNo studies
Visual acuity deficit due causes other than refractive error
Free spectacles vs no free spectacles (prescription only)
no estimate extractedNRNo studies
Spectacle wearing
Free spectacles vs no free spectacles (prescription only)
RR 1.6 [1.34, 1.9]2 studies · 1092 participantsHigh
Quality of life
Free spectacles vs no free spectacles (prescription only)
no estimate extracted1 study · 2289 participantsLow
Downgraded: imprecision, indirectness
Cost
Free spectacles vs no free spectacles (prescription only)
no estimate extracted2008 participantsLow
Downgraded: indirectness
Adverse effects
Free spectacles vs no free spectacles (prescription only)
no estimate extracted0 participantsModerate
Downgraded: indirectness

Educational intervention versus no educational intervention

Population: school‐age children and adolescents
7 questions
OutcomeEffectEvidenceStatus / GRADE
Uncorrected visual acuity deficit due to refractive error
Educational intervention vs no educational intervention
no estimate extractedNRNo studies
Uncorrected visual acuity deficit due to refractive error
Educational intervention vs no educational intervention
no estimate extractedNRNo studies
Visual acuity deficit due causes other than refractive error
Educational intervention vs no educational intervention
no estimate extractedNRNo studies
Spectacle wearing
Educational intervention vs no educational intervention
RR 1.11 [0.95, 1.31]1 study · 3177 participantsModerate
Downgraded: imprecision
Quality of life
Educational intervention vs no educational intervention
no estimate extractedNRNo studies
Cost
Educational intervention vs no educational intervention
no estimate extractedNRNo studies
Adverse effects
Educational intervention vs no educational intervention
no estimate extractedNRNo studies

Ready‐made versus custom‐made spectacles

Population: school‐age children and adolescents
7 questions
OutcomeEffectEvidenceStatus / GRADE
Uncorrected visual acuity deficit due to refractive error
Ready‐made vs custom‐made spectacles
no estimate extracted1 study · 414 participantsModerate
Downgraded: indirectness
Uncorrected visual acuity deficit due to refractive error
Ready‐made vs custom‐made spectacles
no estimate extractedNRNo studies
Visual acuity deficit due to causes other than refractive error
Ready‐made vs custom‐made spectacles
no estimate extractedNRNo studies
Spectacle wearing
Ready‐made vs custom‐made spectacles
RR 0.98 [0.91, 1.05]3 studies · 1203 participantsHigh
Quality of life Measured using the NEI‐RQL‐42. Higher scores are better quality of life.
Ready‐made vs custom‐made spectacles
no estimate extracted1 study · 188 participantsModerate
Downgraded: indirectness
Cost
Ready‐made vs custom‐made spectacles
no estimate extractedNRNo studies
Adverse effects
Ready‐made vs custom‐made spectacles
no estimate extractedNRLow
Downgraded: imprecision, indirectness