What visual symptom is NOT typically associated with advanced hypoxia?

Coma is not typically categorized as a visual symptom associated with advanced hypoxia. Advanced hypoxia generally affects the brain's ability to function correctly due to inadequate oxygen levels. While it can lead to severe outcomes, such as unconsciousness or coma, these effects are not specifically visual in nature.

In contrast, symptoms like blurred vision, loss of muscular coordination, and headaches can be directly linked to impaired brain function due to hypoxia. Blurred vision arises because of the brain's reduced ability to process visual information effectively. Loss of muscular coordination can affect one's ability to control movements, a result of decreased oxygen to motor areas of the brain. Headaches may occur because hypoxia can lead to alterations in intracranial pressure and tension in blood vessels, affecting pain receptors in the brain.

Therefore, while a coma represents a profound state of unresponsiveness and brain dysfunction, it does not relate to visual symptoms, making it the correct answer to the question regarding which visual symptom is not typically associated with advanced hypoxia.