Final answer:
A state characterized by a permanent eyes-open level of unconsciousness is called coma.
Step-by-step explanation:
A state characterized by a permanent eyes-open level of unconsciousness is called coma. Coma is a state of deep unconsciousness in which a person is unresponsive to their environment and unable to voluntarily move or speak. Coma can be caused by severe head injury, stroke, drug overdose, or other medical conditions.