Which symptoms are typically associated with optic neuritis?

Optic neuritis is an inflammation of the optic nerve which can present with specific symptoms. The hallmark symptoms include unilateral visual loss and orbital pain, making this the most accurate choice.

Unilateral visual loss reflects the impact on one eye, which is common in optic neuritis. Patients often report a decrease in visual acuity or blurred vision. The associated orbital pain is typically exacerbated by eye movement, signaling inflammation or irritation of the optic nerve.

Considering the other options, bilateral visual loss and headache do not align with the common presentation of optic neuritis, which usually affects one eye instead of both. While double vision and color blindness can occur in various conditions affecting the visual pathway, they are not characteristic symptoms of optic neuritis. Loss of peripheral vision and nausea are also not typically associated with the condition. Thus, the symptoms of unilateral visual loss and orbital pain accurately capture the essence of optic neuritis.