Vision is a complex process involving not only the eyes, but also the lenses, eyelids, tear ducts, optic nerve, as well as the electrical impulses from the eye to the brain. Taking care of our eyes for good vision is more than just getting our eyes checked -that's only the beginning. One major contributor to eye problems is a poor diet. A deficiency of vitamins can lead to various eye problems and vision loss. Sometimes underlying diseases, such as diabetes or high blood pressure, cause eye damage and vision impairment. Allergies, lack of sleep, and eye-strain can also affect our eyesight. Even the normal process of ageing takes its toll on good vision, until bifocals or even surgery may be necessary. The lenses of the eyes may become clouded due to oxidative damage, which ultimately impairs the vision. Increased pressure within the eyeball, if left unchecked, may even cause blindness.
Our eyes, as well as all of our other body organs, need optimal nutritional support to prevent problems and maintain peak function. Supplementing several key nutrients such as vitamin A and beta carotene, can be very beneficial to eye health and good vision. It is well documented that the antioxidants vitamin E and selenium, along with phytonutrients such as lutein and other carotenoids, help preserve peak visual health. A life-long practice of adequate supplementation, along with a good diet, helps to avoid the eye problems associated with ageing and disease.
Macular degeneration and cataracts are the most common causes of visual disability in the elderly. Several predisposing factors have been identified in the genesis of this disease. However, much emphasis is being given to the oxidative free radical model in the development of this ageing manifestation. Antioxidant enzymes (e.g. catalase and superoxide dismutase) and antioxidants (such as vitamin A and lipoic acid) have been found to protect the lens and retinal cell membrane from oxidative stress as reflected by the prevention of the Na+ K+ATPase dependent pump deterioration due to oxyradical-dependent oxidations of its proteins and lipids. Vitamin A is particularly important for eye health and deficiency of this vitamin may lead to night blindness, dry eyes and other eye conditions. Lutein and zeaxanthin are concentrated at the macula, where they are collectively known as macular pigment and where they are believed to play a major role in protecting retinal tissues against oxidative stress.
Vaccinium myrtillus is a rich source of polyphenolics, anthocyanosides, tannins, flavonoids, quercetin-3 glucuronide, hyperoside and chlorogenic acid. These active components of bilberry have been shown to offer potent connective tissue stabilization, decreased capillary fragility and antioxidant effects. The extract of this herb has been shown to have anti-inflammatory and antioxidant activity. Animal and human studies suggest that bilberry may be useful in the prevention of age related macular degeneration.
Lutein and Zeaxanthin
Studies indicate that these two carotenoids, in particular lutein, at doses of 10 - 15mg per day, may increase macular pigment optimal density and improve visual acuity and other parameters of visual function, in patients with age related macular degeneration.
Lipoic acid maintains glutathione status in the eye as well as acting as a metabolic antioxidant. The potent antioxidant effects of lipoic acid in both its oxidized form (LA) and reduced form, dihydrolipoic acid (DHLA) is the property which undoubtedly is responsible for much of its protective effect in diabetic cataracts
Lutein and Zeaxanthin
Epidemiological studies suggest that consumption of vegetables rich in lutein and zeaxanthin reduces the risk of the development of cataracts. Furthermore, a 2 year double blind, placebo controlled pilot study indicates that supplementation with lutein (15mg per day) improves visual function (visual acuity and glare sensitivity) in patients with age related cataracts.
The antioxidant activity of lipoic acid may be involved in its role in therapy for glaucoma. Clinical trials on glaucoma patients receiving lipoic acid have shown improvements in biochemical parameters and visual function. Glutathione deficiency is suspected to play a role and lipoic acid may help to regenerate glutathione activity.
|Our Pharmacist's and Naturopath's Supplement Recommendations:|
The following products are recommended by licensed pharmacists and naturopaths who have specialised in natural medicines and dietary supplements.
If you are currently taking medications or other dietary supplements, we highly recommend you ask your Pharmacist or Doctor for additional guidance.
Practitioner Products Warning:
These products are either of a higher potency or efficacy. Practitioner products in Australia are prescribed by either doctors or naturopaths and usually have higher doses based on the latest in research and development. By purchasing this item you certify that you are under the guidance of a qualified health care practitioner who can direct your proper use of these items.
|Nutrients and botanicals, such as lutein, zeaxanthin and bilberry, may help support and maintain healthy eyes. See your healthcare practitioner to determine if you need extra visual support.
Support of healthy eye function
Maintenance of healthy eyes
|Antioxidants help protect the body from the ravages of free radicals. Free radicals damage our DNA, cell membranes, and our immune system. They are a major factor in ageing, as well as degenerative diseases of the body and brain. Antioxidants are free radical scavengers which neutralize the destructive effects of these free radicals. Daily intake of antioxidant supplements as part of a healthy lifestyle protects us from the damages of these harmful free radicals. AntiOx Excel features a scientifically formulated blend of nutrients and herbal extracts to provide maximum protection against free radical induced damage. AntiOx Excel may be beneficial for oxidative stress, detoxification processes and as an adjunct for disease conditions that require antioxidant support|
|Essential fatty acids are "good fats" that are absolutely necessary for the reproduction of cells. We also need them as part of the many natural biochemical processes of the body. They are called "essential" because each cell in our body needs a supply of them each and every day. They are also called "essential" because they must be taken in from our diets or in supplement form. As part of a healthy lifestyle, supplementing daily with essential fatty acids helps to keep our bodies functioning at their peak. This formula combines the beneficial omega-3 and omega-6 fatty acids which are most important to our health. Omega-3 EFAs are utilised by the body in several key areas that help influence general wellbeing. As phospholipid components of cell membranes throughout the body, they support healthy cell function and fluidity. Additionally omega-3 EFAs provide anti-inflammatory activity, and also support the maintenance of healthy brain function and healthy triglyceride levels.|
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