The model predicts that adults born in 1820 achieved a mean adult height of 1.648 m; those born in 1952 reached 1.744 m; and those born in the year 200 are to reach on average an adult height of 1.783 m.The scientific model is based on adult heights in England.he model predicts that adults born in 1820 achieved a mean adult height of 1.648 m; those born in 1952 reached 1.744 m; and those born in the year 200 are to reach on average an adult height of 1.783 m.
Avocados: Like spinach, avocados are rich in antioxidants commonly found in the eye like lutein and zeaxanthin. Avocados are said to contain more lutein than any other fruit, which is important for improving your eyesight since lutein has the ability to reduce the risk of macular degeneration and cataracts.
3. Get plenty of vitamin A. This vitamin helps improve your vision in the dark and prevent night blindness. Several foods are rich in vitamin A. 1  Carrots. 2  For decades carrots have been hailed as the food for good vision. 3  They're packed with vitamin A and are a great food for maintaining eyesight. 4  Sweet potato. 5  Eggs.