Scarlet fever, or scarlatina, is a bacterial infection that causes symptoms and signs such as fever, sore throat, and rash. Oral penicillin is the standard treatment. Read about long-term effects, prognosis, and complications.
lack or loss of ability to see (see vision). Legally, blindness is defined as less than 20/200 vision in the better eye with glasses (vision of 20/200 is the ability to see at 20 feet only what the normal eye can see at 200 feet). A person with 20Â° or less vision (pinhole vision) is also legally blind.
AMD is the most common cause of legal blindness in people over the age of 55; it occurs in nearly one out of three people over the age of 75. Roughly 200,000 new cases are diagnosed each year in the U.S. Approximately 10 million people in the U.S. are affected by the condition.