Which two carotenoids accumulate in the eye's macula for protection?
Answer
Lutein and zeaxanthin
Maintaining long-term eye function and clarity involves specific nutrients that accumulate in vulnerable areas of the eye. Watercress is a source of two particular carotenoids known as lutein and zeaxanthin. These compounds migrate to and concentrate in the macula, which is a critical region of the retina responsible for sharp, central vision. Once accumulated there, lutein and zeaxanthin function effectively as natural filters, providing protection against damaging blue light exposure and thereby helping to reduce the risk associated with age-related macular degeneration (AMD) later in life.
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