Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

841 questions · 854 findings · 331 reviews

No studies found 462 · 54.1%GRADE not reported 67 · 7.8%Very low 153 · 17.9%Low 116 · 13.6%Moderate 51 · 6%High 5 · 0.6%

Assistive technology for vision improvement interventions vs usual care or attention control

Health‐related quality of life ‐ all trials Higher scores indicate improved health‐related quality of life · Older people living in the community

Assistive technology for vision improvement interventions showed no clear difference in health‐related quality of life 1 trial of single‐lens glasses… compared with usual care or attention control (low certainty).

1 finding from 1 review

Orthodontic treatment with appliances inducing stable, permanent orthodontic tooth movement (splints worn 8 to 12 weeks and surgical interventions excluded) vs Control: no treatment, placebo, or reassurance

Patient quality of life · Adults aged 18 years or older with clinically diagnosed TMD (exhibiting two or more of the listed signs and/or symptoms)

The review found no eligible studies for this question.

1 finding from 1 review

Amantadine vs placebo

Health related quality of life after 12 or more weeks or more after commencement of intervention (not reported) · people with fatigue in Guillain‐Barré syndrome

The review found no eligible studies for this question.

1 finding from 1 review