| Macular degeneration can cause irreversible vision | | | | formulas with high-dose vitamin E, while others |
| loss. Although there is no effective cure of AMD, | | | | just eliminate its tiny risk. |
| a variety of prevention measures are available to | | | | The British Journal of Ophthalmology has |
| reduce the risk of AMD, especially for older | | | | conducted a study of 4000 old people, which |
| people. | | | | showed that regular exercise such as walking can |
| The University of Manchester said that smokers | | | | bring down the risk of AMD. |
| are up to four times more likely than | | | | Both Massachusetts Eye and Ear Infirmary and |
| non-smokers to suffer AMD. For old people, it is a | | | | the University of Sydney have revealed that high |
| necessity to stop smoking. | | | | consumption of fish reduces the risk of AMD. |
| People consuming many vegetables rich in | | | | Both Harvard Medical School and the |
| carotenoids are reported to have a 43% lower | | | | Massachusetts Eye and Ear Infirmary have |
| risk of AMD than those seldom eat these foods. | | | | demonstrated that AMD can be decreased by |
| These vegetables include dark, leafy greens, | | | | daily fruits and nuts eating. |
| especially raw spinach, kale and collard greens. | | | | High glycemic index in refined foods causes a |
| Older people can not absorb enough nutrients | | | | rapid increase in blood sugar and insulin release, |
| from diet alone, so that nutritional supplements | | | | which in turn increase the risk of AMD. So that |
| including vitamins and minerals are useful to | | | | the old should take low glycemic index foods, |
| improve eye health. | | | | such as fruits, brown rice, grain breads, apple juice |
| For people at high risk of developing advanced | | | | and carrot juice. High index foods including white |
| AMD, the Age-Related Eye Disease Study | | | | bread, white rolls and donuts should be reduced. |
| (AREDS) has found that nutrients play a key role | | | | Cumulative eye damage caused by overexposure |
| in maintaining their current vision. The formula of | | | | to UV and HEV lights are estimated to arouse |
| nutrients recommended by AREDS includes | | | | AMD, so that you’d better to wear |
| vitamin C and E, beta-carotene, zinc oxide and | | | | sunglasses outdoors. |
| cupric oxide. The study shows that this formula | | | | Cholesterol built-up in blood vessels can inhibit |
| can lower the risk of advanced AMD by 25%. But | | | | blood flow, which is harmful for healthy eye tissue. |
| for smokers, AREDS recommends other | | | | In this case, cholesterol controlling can protect the |
| nutritional formulas that exclude beta-carotene, | | | | old from AMD. Since high blood pressure is also |
| which may increases the risk of lung cancer | | | | indicated to have link to AMD, blood pressure |
| among smokers. Some researchers also oppose | | | | controlling is necessary. |