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, an autoimmune disorder, is one type of food intolerance. It causes digestive problems when you eat gluten, a protein in wheat, barley, and rye. People with celiac disease must follow a gluten-free diet to minimize symptoms and damage to the small intestine.ossible Serious Conditions. A gastroenterologist is a type of doctor that specializes in diagnosing and treating diseases involving the digestive system. If you continue to experience digestion problems, itâs time to make an appointment. More serious signs could mean an emergency medical problem.