Occasionally a person experiences visual changes that are difficult to completely understand with only a clinical eye exam. These changes may be due to abnormalities in the function of some of the cells on the back of the eye in the retina, or there may be changes in the nerve connections between the eye and the brain.
Worldwide, viral hepatitis is the most common cause of liver inflammation. Other causes include autoimmune diseases and ingestion of toxic substances (notably alcohol), certain medications (such as paracetamol), some industrial organic solvents, and plants. large number of medications and other chemical agents can cause hepatitis. In the United States acetaminophen, antibiotics, and central nervous system medications are among the most common causes of drug-induced hepatitis.
Heavy alcohol use, toxins, some medications, and certain medical conditions can cause hepatitis. However, hepatitis is most often caused by a virus. In the United States, the most common types of viral hepatitis are Hepatitis A, Hepatitis B, and Hepatitis C.he Hepatitis B virus can also be transmitted from: 1  Birth to an infected mother. 2  Sex with an infected person. 3  Sharing equipment that has been contaminated with blood from an infected person, such as needles, syringes, and even medical equipment, such as glucose monitors. 4  Sharing personal items such as toothbrushes or razors.