Category Archives: Eyes

Carotenoids for Diabetic Retinopathy?

Diabetes is a disease of blood glucose regulation. The endpoint of diabetes is elevated levels of blood sugar and this can have a damaging long-term effect on various physiological functions. High levels of glucose is problematic in the blood because … Continue reading

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Cataracts: Do Nutrient Supplements Help Prevent Cataracts?

Cataracts are an opacity of the eye caused by free radical damage to the lens. It has been suggested that vitamins and dietary antioxidants may hold some protective effects in this regard. Perhaps the most beneficial compounds in this regard … Continue reading

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Lutein Protects From Cataracts: More Evidence

Lutein is a phytochemical belonging to the carotenoid group. In particular, lutein is classified as a xanthophyll, and is closely related to other dietary xanthophylls including cryptoxanthin, zeaxanthin and astaxanthin. Lutein is present in green leafy vegetables and egg yolks … Continue reading

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Cataract Protection: Xanthophylls

Xanthophylls are a group of oxidised carotenoids that may play a role in human health. Xanthophylls are found in wide variety of plant foods such as green leafy vegetables, and can also be found in the tissues of animals that … Continue reading

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Prevention of Cataracts: Lutein

Free radicals are chemicals that are able to oxidise cells and tissues. This oxidation process leads to tissue damage and can often create chain reactions that cause further damage to cellular components. Antioxidants have been shown to be beneficial to … Continue reading

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Prevention of Cataracts: Vitamin C

Cataracts are an opacity of the eye that is most commonly associated with age. The opacity distorts the light entering the eye and this leads to reductions in visual acuity. Studies investigating the development of cataracts suggest that oxidation of … Continue reading

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Lutein Protects From Cataracts

Lutein is a xanthophyll that is produced in plants and algae as part of the carotenoid synthesis pathway. Evidence suggests that lutein accumulates in the eyes of mammals including humans, and here it may have protective effects against cataracts and … Continue reading

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Xanthophylls Protect The Eye

Carotenoids are a structurally related group of phytonutrients, some of which possess vitamin A activity in humans. Carotenoids are pigments in nature and produce many of the red, yellow and orange colours in vegetables and some fruits. In plants, carotenoids … Continue reading

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Antioxidants for the Eye: Xanthophylls

The human eye is an interesting design. The design of the eye is related to the function it must play in allowing vision in the presence of damaging ultraviolet light. In this regard, comparison to the octopus eye is interesting, … Continue reading

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Xanthophylls For Eye Health

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