How do i tell if i have dry eyes or allergic conjunctivitis?

Dry eye vs allergy: Dry eye typically feels scratchy, irritated, like something is in your eye, light sensitive. Allergies in the eye typically causes itchiness in the eye.

Examination.: Both conditions can cause the eyes to feel irritated. Allergies frequently have itching. Both can cause a goopy tear. Dry eye disease can make allergic conjunctivitis worse. They look very different and distinct on exam. Get an eye exam to get the correct diagnosis-- treatments are very different.