Evidence
This page contains a snapshot of featured content which highlights evidence addressing key clinical questions including areas of uncertainty. Please see the main topic reference list for details of all sources underpinning this topic.
Cochrane Clinical Answers

Cochrane Clinical Answers (CCAs) provide a readable, digestible, clinically focused entry point to rigorous research from Cochrane systematic reviews. They are designed to be actionable and to inform decision making at the point of care and have been added to relevant sections of the main Best Practice text.
- Can omega 3 fatty acids slow the progression of age-related macular degeneration?
- What are the effects of zinc supplements in people with age-related macular degeneration?
- What are the benefits and harms of antioxidant vitamin and mineral supplements used to prevent age-related macular degeneration?
- What are the effects of antioxidant multivitamin and mineral supplements in people with age-related macular degeneration?
- What is the comparative systemic safety of bevacizumab and ranibizumab in people with neovascular age-related macular degeneration?
- What are the effects of radiation therapy with or without anti–vascular endothelial growth factor (VEGF) injections for adults with neovascular age‐related macular degeneration?
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