Final answer:
The swelling related to meningitis can push on the optic nerve, leading to a loss of vision.
Step-by-step explanation:
In the given case, the patient is experiencing an orbital fracture after being hit in the left eye by a softball. The swelling related to meningitis can push on the optic nerve, leading to a loss of vision. Meningitis itself is an infection that can cause inflammation and swelling around the brain and spinal cord. It can be caused by bacteria, viruses, or other microorganisms. The treatment for meningitis depends on the specific cause and may involve antibiotics or antiviral medications. In severe cases, hospitalization may be required for close monitoring and supportive care.