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absorption of high-energy, short-wavelength light, lutein and zeaxanthin may reduce the amount
of light in the blue region of the spectrum that reaches the photosensitizers that are responsible for
light damage to the retina (Bone et al., 1997). More directly, these carotenoids may also serve as
antioxidants (Khachik et al., 1997).
ACKNOWLEDGMENTS
This work was supported by NEI grant EY12951, the Kaplen Fund, and unrestricted funds to the
Department of Ophthalmology, Columbia University from Research to Prevent Blindness.
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