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Evidence found and GRADE certainty

4,751 questions · 12,775 findings · 807 reviews · Headline outcomes only

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No studies found 3,413 · 26.7%GRADE not reported 709 · 5.5%Very low 3,483 · 27.3%Low 3,165 · 24.8%Moderate 1,628 · 12.7%High 377 · 3%

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Intervention not reported

Systemic 7‐methylxanthine vs placebo · children with myopia (nearsightedness)
1 finding from 1 review

Intervention not reported

Atropine plus multifocal spectacles vs placebo plus SVLs · children with myopia (nearsightedness)
1 finding from 1 review

Intervention not reported

Atropine plus bifocal spectacles vs cyclopentolate plus SVLs · children with myopia (nearsightedness)
1 finding from 1 review

Intervention not reported

Bifocal spectacles vs SVLs with timolol drops · children with myopia (nearsightedness)
1 finding from 1 review

Intervention not reported

Tropicamide plus bifocal spectacles vs SVLs · children with myopia (nearsightedness)
1 finding from 1 review

Intervention not reported

Comparison (intervention vs comparator) · children with myopia (nearsightedness)

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Adverse effects · children with myopia (nearsightedness)

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Multifocal vs single vision lens spectacles · children with myopia (nearsightedness)
1 finding from 1 review

Intervention not reported

Peripheral plus spectacles vs single vision lens spectacles · children with myopia (nearsightedness)
1 finding from 1 review

Intervention not reported

Bifocal vs single vision soft contact lenses · children with myopia (nearsightedness)
1 finding from 1 review

Intervention not reported

Rigid gas permeable contact lenses vs spectacles or soft contact lenses · children with myopia (nearsightedness)
1 finding from 1 review

Intervention not reported

Orthokeratology contact lenses vs single vision lenses · children with myopia (nearsightedness)

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Spherical aberration soft contact lenses vs single vision soft contact lenses · children with myopia (nearsightedness)
1 finding from 1 review

Intervention not reported

Antimuscarinic agents vs placebo · children with myopia (nearsightedness)
1 finding from 1 review

Paradoxical intention therapy vs diazepam

Reduction in physical signs (number of patients without any conversive attacks in last 2 weeks) End of treatment · people with conversion disorder according to DSM‐IV or ICD‐10 criteria

It is very uncertain whether paradoxical intention therapy changes reduction in physical signs (number of patients without any… compared with diazepam (very low certainty).

1 finding from 1 review