Findings

What do systematic reviews say?

2 questions · 2 findings · 1 reviews

No studies found 0 · 0%GRADE not reported 0 · 0%Very low 0 · 0%Low 0 · 0%Moderate 2 · 100%High 0 · 0%

Progression to geographic atrophy · people with AMD

Zinc showed no clear difference in progression to geographic atrophy compared with placebo (moderate certainty).

1 finding from 1 review

Progression to late AMD (neovascular AMD, geographic atrophy or both) · people with AMD

Zinc probably leads to lower progression to late AMD (neovascular AMD, geographic atrophy or both) compared with placebo (moderate certainty).

1 finding from 1 review