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1 Full-text article
Ocular tissues contain several carotenoids, but the retina contains lutein and zeaxanthin exclusively .
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2 Full-text article
Neurodegenerative influence of oxidative stress in the retina of a murine model of diabetes
PubMed Central Open HTML Open PDF     PubMed Open HTML    
Sasaki M Tsubota K  » 
Diabetologia (2010) Show Abstract »
Lutein is not synthesised in vivo and needs to be obtained through the diet, and is then delivered to the retina.
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3
Effect of dietary zeaxanthin on tissue distribution of zeaxanthin and lutein in quail.
PubMed Open HTML    
Toyoda Y Dorey CK  » 
Invest Ophthalmol Vis Sci (2002) Show Abstract »
The quail has a cone-dominant retina that accumulates carotenoids.
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In contrast, the retina retained its initial concentrations of lutein and zeaxanthin similar to the control group. meso-Zeaxanthin and cis-zeaxanthin were identified only in the retina.
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5
[Lutein and eye health--current state of discussion]
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Hahn A, Mang B
Med Monatsschr Pharm (2008) Show Abstract »
Both carotenoids lutein and zeaxanthin are accumulated in the retina, especially in the macula lutea.
6 Full-text article
Risk Factors for Age-Related Maculopathy
PubMed Central Open HTML Open PDF     PubMed Open HTML    
Connell PP Beatty S  » 
J Ophthalmol (2009) Show Abstract »
For example, lutein and zeaxanthin are carotenoids found in the retina, where they are known collectively as macular pigment, and are believed to protect the central retina from oxidative damage [–].
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7
The macular pigments zeaxanthin and lutein may serve as antioxidants as well as blue filter to protect the retina.
8
Immunogold localization of myosin in the photoreceptor cilium.
PubMed Open HTML    
Chaitin MH, Coelho N
Invest Ophthalmol Vis Sci (1992) Show Abstract »
The results of this study demonstrate that saponin-extracted retinas can be used for immunoelectron microscopy studies of the photoreceptor cytoskeleton.
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9
Yellow-green vegetables, such as corn and leafy greens, contain lutein and zeaxanthin, which are localized in the retina where age-related macular degeneration occurs.
10
Available evidence demonstrates that lutein and zeaxanthin are widely distributed in a number of body tissues and are uniquely concentrated in the retina and lens, indicating that each has a possible specific function in these two vital ocular tissues.
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