Emerging research suggests a role for nuts in eye health. Here is one of the key papers, published to date, in this area.

Key studies: Systematic reviews and meta-analyses

Food groups and risk of age-related macular degeneration: A systematic review with meta-analysis. (Dinu et al, 2018).
Nut consumption was not associated with the risk of age-related macular degeneration, although a non-significant reduction was reported that became significant after the removal of one study. The evidence base is small and further research is required to better determine the nature of the association.