Hello, I'm an expert in the field of medical science with a focus on infectious diseases. Scarlet fever is a bacterial infection that primarily affects the throat and tonsils, and it's often caused by Group A Streptococcus bacteria. While it can cause a characteristic rash, the condition itself is not typically associated with blindness.

However, in severe cases, if the infection spreads and leads to complications such as rheumatic fever or poststreptococcal glomerulonephritis, there can be systemic effects throughout the body. One of the potential complications of a severe strep infection is called Sydenham's chorea, which is a type of involuntary movement disorder that can, in rare cases, affect the nervous system and lead to various neurological issues, including those that could potentially impact vision.

It's important to note that the risk of going blind from scarlet fever is extremely low, and with prompt and appropriate antibiotic treatment, the risk of complications is significantly reduced. If you have concerns about scarlet fever or any other medical condition, it's always best to consult with a healthcare professional.

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Brain infection, not scarlet fever, may have caused Mary Ingalls' blindness. Dr. Beth Tarini, an assistant professor in the Department of Pediatrics and Communicable Diseases at the University of Michigan in Ann Arbor, Michigan, decided to look into the cause of Mary Ingalls' blindness.read more >>