Blood tests. The diagnosis is based on symptoms and a low level of vitamin A in the blood. If people have problems seeing in the dark, eye tests, such as electroretinography (see Tests for Eye Disorders: Electroretinography), may be done to determine whether vitamin A deficiency is the cause.isorders that impair the intestineâs absorption of fats can reduce the absorption of vitamin A and increase the risk of vitamin A deficiency. These disorders include chronic diarrhea, celiac disease, cystic fibrosis, certain pancreatic disorders, and blockage of the bile ducts.
Shaun Carl Micheel (born January 5, 1969) is an American professional golfer who is best known for his surprise victory at the 2003 PGA Championship. Micheel was born in Orlando, Florida. He attended Christian Brothers High School in Memphis, Tennessee and Indiana University and turned professional in 1992.
Shaun White Biography. Born in San Diego, California in 1986, Shaun White is an American professional snowboarder and skateboarder. He was born with âTetralogy of Fallotâ, a heart defect. Thatâs why he had to go through two open-heart operations even before turning to one. This may be a reason for his thin and skinny physique.