A Patient Comes to Clinic with Diffuse Erythema in One

A patient comes to clinic with diffuse erythema in one eye without pain or history of trauma. The examination reveals a deep red, confluent hemorrhage in the conjunctiva of that eye. What is the most likely treatment for this condition?

A) Order lubricating drops or ointments.
B) Prescribe ophthalmic antibiotic drops.
C) Reassure the patient that this will resolve.
D) Refer to an ophthalmologist.