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 Tan. Shaun Tan is an Australian artist, writer and film maker. He won an Academy Award for The Lost Thing, a 2011 animated film adaptation of a 2000 picture book he wrote and illustrated. Beside The Lost Thing, The Red Tree and The Arrival are books he has written and illustrated. Tan was born in Fremantle, Western Australia, in 1974 and grew up in the northern suburbs of Perth, Western Australia.