Protect your visual assest (your eyes)
reduce risk of age-realted macular degeneration, which is the #1 cause of vision loss in Canada
significant improvement measures in quality of vision (contrast sensitivity function)
promotes eye health, including the macula, retina, and lens, for people with age related macular degeneration and cataracts
improve night vision.
What is AMD
(age-related macular degeneration)?
Macular degeneration is a condition of the eye that affects adults as they age. The condition causes damage to the retina which can result in a loss of vision in the center of the visual field (the macula). Macular degeneration can make reading, watching
television or recognizing faces difficult, often leaving only enough peripheral vision to conduct other activities of daily life.
There are two forms of AMD wet and dry. The dry form accounts for over 80% of AMD cases. While sight-affecting conditions such as cataracts and diabetes are more well-known, AMD is actually the major cause of vision loss in Canada and affects
over 1 million Canadians.2
What are the symptoms of AMD?
The most common symptoms of AMD are:
Shadows or missing areas of vision
Distorted vision (example: grids of straight lines appearing wavy with blank parts)
Difficulty distinguishing between dark colours and between light colours
Slow recovery of visual functions after exposure to bright light
Who is affected by AMD?
As its name indicates, AMD is age-related, meaning that as we age, there is an increased chance of experiencing this condition. Over one third of Canadians between the ages of 55 and 74 develop AMD and with the incidence climbing to 40% for Canadians over the age of 75.1 Unfortunately, the majority of Canadians are not aware of AMD or the risk it poses. A recent survey
indicated that Canadians fear losing their eyesight even more than the use of their legs or hearing. Despite the importance of eyesight, 70% of those polled were not aware of AMD risks.2
What causes AMD?
The leading risk factors of AMD include genetics, aging, smoking and other oxidants such as pollution, exposure to solar radiation, use of photosensitizing drugs and insufficient intake of fruits and vegetables.
What can we do to protect our vision from AMD?
What can we do to reduce our risk of vision loss? Avoiding smoking, reducing our exposure to pollution, lowering stress levels, wearing UV protective sunglasses and making sure we eat a diet rich in fruits and vegetables will help. Another way to reduce our risk is through additional supplementation of vitamins and carotenoids. Studies on the prevention of dry AMD through antioxidant supplementation have shown that a specific combination of vitamins can reduce incidence of AMD in high risk patients by 25% (see
AREDS Study Review). Further studies have shown that a daily of intake of at least 10 mg of the carotenoid lutein can significantly improve vision and slow progression of AMD (see LAST Study Review).
People at a high risk for AMD or experiencing AMD symptoms should consult their doctor, optometrist or health professional about taking nutritional supplements containing ingredients found in the AREDS and LAST studies.
2. . aspx AREDS Study Review
Conclusion: The Age-Related Eye Disease Study (AREDS) - sponsored by the US Federal governments National Eye Institute
- found that taking high levels of antioxidants and zinc can reduce the risk of developing advanced age-related macular degeneration (AMD) by 25 percent.
Daily dose: Beta Carotene 25,000 IU, Vitamin C 500 mg, Vitamin E 400 IU, Zinc 80 mg, Copper 2 mg
This major clinical trial closely followed about 3,600 participants with varying stages of AMD. The results showed that the AREDS
formulation, while not a cure for AMD, may play a key role in helping people at high risk for developing advanced AMD keep their
People who are at high risk for developing advanced AMD should consider taking the combination of nutrients used in the study.
Your eye care professional can tell you if you have AMD and are at risk for developing the advanced form of the disease. The doctor
should give you a dilated eye exam in which drops are placed in your eyes. This allows for a careful examination of the inside of the
eye to look for signs of AMD.
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LAST Study Review
The LAST (Lutein Antioxidant Supplementation Trial) was designed to determine whether nutritional supplementation with lutein or
lutein together with antioxidant, vitamins and minerals improves visual function and symptoms in AMD.
Conclusion: In this study, visual function was improved with lutein alone and lutein combined with other nutrients. Specifically,
lutein significantly improved macular pigment optical density and glare recovery, improved near visual acuity, and significantly
improved measures of quality of vision (contrast sensitivity function). The lutein and antioxidant combination had a broader effect
than lutein alone. There was no progression of AMD retinopathy in patients receiving lutein and antioxidant nutrients.
Daily dose: Lutein 10 mg with or without antioxidant vitamins.
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