Red eye is a common presentation in primary care and is a sign of inflammation. Most cases will be due to relatively benign problems. The most common cause of red eye presenting in a primary care setting is conjunctivitis.1 A small proportion of red eye cases are serious and need urgent treatment. The challenge lies in discerning one from the other.
This is a companion discussion topic for the original article at https://patient.info/doctor/ophthalmology/red-eye