The cornea and lens are also responsible for focusing incoming light on to the retina to create a clear image. To work properly, the cornea needs to be perfectly curved, like the surface of a football. However, in astigmatism the cornea is shaped irregularly, like the surface of a rugby ball.
Celiac disease. Celiac disease is an autoimmune disease in which people canât eat gluten because it will damage their small intestine. If you have celiac disease and eat foods with gluten, your immune system responds by damaging the small intestine. Gluten is a protein found in wheat, rye, and barley.
Celiac disease (also known as celiac sprue or gluten-sensitive enteropathy) is a digestive and autoimmune disorder. An autoimmune disorder is one in which the immune system directs antibodies to attack the body.The antibody of celiac disease is directed against gluten, a protein found in grains.hen people with celiac disease eat foods containing gluten, their immune system forms antibodies to gluten, which then attack the intestinal lining. This causes inflammation in the intestines and damages the villi, the hair-like structures on the lining of the small intestine.