Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

90 questions · 91 findings · 10 reviews · Eyes and Vision

No studies found 39 · 42.9%GRADE not reported 3 · 3.3%Very low 17 · 18.7%Low 19 · 20.9%Moderate 11 · 12.1%High 2 · 2.2%