The 25-year-old patient is brought by her mother to the emergency department due to being unable to move the eyes or look down other than bending over. Her medical history is notable for schizophrenia and non-compliance with medication. A week ago, she was hospitalized and decided to pursue injectable haloperidol as a treatment option with which she could be more compliant. This morning, she was upset to find she could not move her eyes. The nurse prepares which therapy?