Can Carrots Improve Vision?
For centuries parents have been encouraging their children to eat more carrots because it is believed that regular consumption of carrots can effectively improve the vision and is good for eye health. However, things are not that simple as people think. Although there is some evidence showing that eating carrots is helpful to maintain the functionality of vision cells, but there were no certain scientific facts which can prove that eating carrots can definitely improve eyesight.
Although we cannot prove the relationship between carrots and vision, parents should also know the facts that carrots are rich in the beta-carotene which will be finally converted into vitamin a. Vitamin a will play an important role in maintaining the health eyes. Lack of vitamins will increase the risk of visual impairment and eye dryness. In serious cases, they will lead to blindness because of the deficiency of vitamins. However, you should avoid taking too much beta-carotene because it will lead to carotenemia, a disease which can cause the skin to become orange or yellow. Generally, you can control the amount of vitamin a intake by reducing or increasing the carrots in your daily diet.
It is recommended that the daily vitamin a intake is about 1300 micrograms. This means eating a medium-sized carrot each day will definitely meet the demand for this type of nutrient. As we can use other approaches to take adequate vitamin a such as drinking milk to take animal liver, we do not have to eat carrots each day to satisfy the nutrition requirement. Some articles also claim that eating carrots can promote night vision capability especially for children. This is because vitamin a in the eye retina will be converted into a type of purple pigment which is required for vision at night. It is also said that carrots can lower the risk of night blindness which indicate an early stage of vitamin a deficiency.
Image provided By 4028mdk09 (Own work) [CC-BY-SA-3.0 (http://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons
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