Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

101 questions · 107 findings · 14 reviews · Eyes and Vision

No studies found 32 · 29.9%GRADE not reported 5 · 4.7%Very low 28 · 26.2%Low 29 · 27.1%Moderate 10 · 9.3%High 3 · 2.8%