Red Eye
Redness of the eye, which can be caused by infection, allergy, dryness, or injury.
Conditions associated with red eye
The following conditions have been associated with red eye in medical literature. This is informational and not a diagnosis.
Conjunctivitis
Inflammation of the conjunctiva (pink eye) caused by infection or allergy, causing redness, itching, and disch...
Glaucoma
A group of eye conditions that damage the optic nerve, often due to elevated eye pressure, and can lead to vis...
Uveitis
Inflammation of the middle layer of the eye (uvea), causing eye pain, redness, and light sensitivity....
Tests providers may use to investigate red eye
When investigating red eye, a healthcare provider may order one or more of the following laboratory tests. Test selection is a clinical decision made by a qualified professional.
ANA (Antinuclear Antibodies)
Screens for autoimmune diseases such as lupus....
Sedimentation Rate (ESR)
Measures inflammation by timing how fast red blood cells settle....
Symptoms commonly seen alongside red eye
Eye Discharge
Discharge from the eye, which can be a sign of conjunctivitis or infection....
Eye Floaters
Small specks or shapes that drift across your field of vision, which can be a sign of eye inflammation or othe...
Eye Itching
Itching of the eyes, which is common in allergic conjunctivitis....
Halos Around Lights
Seeing halos or rings around lights, which can be a sign of cataracts or glaucoma....
Light Sensitivity
Discomfort or pain when looking at light, which can accompany migraine, eye inflammation, or meningitis....
Watery Eyes
Excessive tearing, which can be caused by allergies, irritation, or blocked tear ducts....
When to seek care
Seek care from a qualified healthcare provider if red eye is severe, persistent, worsening, or accompanied by concerning symptoms. If you think you have a medical emergency, call your local emergency number immediately.
Frequently Asked Questions
What does the symptom red eye mean?
Red Eye is a health sign or symptom described in medical literature. Redness of the eye, which can be caused by infection, allergy, dryness, or injury.
Which conditions are associated with red eye?
Red Eye has been reported in association with 3 conditions in the medical literature we index, including Conjunctivitis, Glaucoma, Uveitis. These associations do not mean you have any of these conditions.
Should I see a doctor about red eye?
You should discuss any persistent or concerning symptoms with a qualified healthcare provider. This website does not provide diagnosis. If you have severe symptoms or signs of a medical emergency, seek care immediately.