Pistachios are a rich sourceTrusted Source of the antioxidants lutein and zeaxanthin, which are essential for eye health.
According to the American Optometric Association, lutein and zeaxanthin reduce the chances of developing chronic eye conditions, such as cataracts. They can also help to protect against age-related macular degeneration (AMD).
AMD and cataracts are among the leading causesTrusted Source of blindness in the United States.
Eating a healthful diet, including pistachios, is a promising way to help prevent these eye diseases from developing.