Costs · school‐age children and adolescents
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Adverse effects · school‐age children and adolescents
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Uncorrected visual acuity deficit due to refractive error · school‐age children and adolescents
2 findings from 1 review
Visual acuity deficit due causes other than refractive error · school‐age children and adolescents
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Spectacle wearing · school‐age children and adolescents
Ready‐made showed no clear difference in spectacle wearing compared with custom‐made spectacles (high certainty).
1 finding from 1 review
Quality of life Measured using the NEI‐RQL‐42. Higher scores are better quality of life. · school‐age children and adolescents
1 finding from 1 review
Costs · school‐age children and adolescents
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Adverse effects · school‐age children and adolescents
1 finding from 1 review
no estimate extracted
Studies not reported
Low
Visual acuity deficit due causes other than refractive error · school‐age children and adolescents
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Spectacle wearing · school‐age children and adolescents
Free spectacles leads to higher spectacle wearing compared with no free spectacles (prescription only) (high certainty).
1 finding from 1 review
Quality of life · school‐age children and adolescents
1 finding from 1 review
Costs · school‐age children and adolescents
1 finding from 1 review
no estimate extracted
2008 participants
Low
Adverse effects · school‐age children and adolescents
Free spectacles showed no clear difference in adverse effects compared with no free spectacles (prescription only) (moderate certainty).
1 finding from 1 review
no estimate extracted
0 participants
Moderate
Uncorrected visual acuity deficit due to refractive error · school‐age children and adolescents
The review found no eligible studies for this question.
2 findings from 1 review
no estimate extracted
Studies not reported
No studies found
no estimate extracted
Studies not reported
No studies found
Intervention not reported
Ultrasound · of 1000 children
1 finding from 1 review
Intervention not reported
DMSA · of 1000 children
1 finding from 1 review
Intervention not reported
Chlamydia prevalence (general population) Outcome was chlamydia test positivity after 3 yearly invitations in intervention clusters vs 1 invitation in control areas. Uptake was too low for chlamydia positivity to be considered an unbiased estimate... · healthy adults
The intervention showed no clear difference in chlamydia prevalence (general population) Outcome was chlamydia test… (low certainty).
1 finding from 1 review
Intervention not reported
Chlamydia prevalence (high risk population) Outcome was prevalence of positive chlamydia tests in repeated cross‐sectional surveys of women tested at sex venues after 4 years of intervention. · healthy adults
The intervention may leads to lower chlamydia prevalence (high risk population) Outcome was prevalence… (low certainty).
1 finding from 1 review
Intervention not reported
Incidence of pelvic inflammatory disease (PID) at 12 months (intention‐to‐treat) Outcome was clinically diagnosed PID reported by the participant or extracted from medical records, pharmacy records or hospital discharge coding. Outcome very likely... · healthy adults
The intervention probably leads to lower incidence of pelvic inflammatory disease (PID) at 12 months… (moderate certainty).
1 finding from 1 review
Intervention not reported
Incidence of epididymitis in men at 12 months (intention‐to‐treat) Outcome was epididymitis diagnosed in hospital and abstracted from hospital discharge coding. · healthy adults
It is very uncertain whether the intervention changes incidence of epididymitis in men at 12 months (intention‐to‐treat)… (very low certainty).
1 finding from 1 review