Metformin could protect against age-related macular degeneration: study

The protective effect was not dose dependent, say researchers.
Rachel Fieldhouse
Dr Angela Jennings.

Taking metformin could protect older adults without diabetes from developing age-related macular degeneration, according to US doctors.

Their case-control study found that use of the diabetes drug was associated with a 17% lower risk of age-related macular degeneration (AMD) versus no exposure at all.