Zeaxanthin and lutein improve vision in AMD

Age-related macular degeneration (AMD) is the loss of sight in the central field of vision, the most common form of blindness.

In one study, 60 people, average age 75, with mild to moderate AMD, either took 8 mg of zeaxanthin per day alone, with 9 mg of lutein, or lutein alone.

After one year, those taking zeaxanthin could read 1.5 more lines on a standard eye chart and had lost all blind spots. Those who took lutein could better detect subtle contrasts and recover from glare faster. Doctors concluded that zeaxanthin improves high-contrast vision, and lutein improves low-contrast vision and glare recovery in AMD. Reference: Optometry: 2011 Nov; Vol. 82, No. 11, 667-80.

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