Acute conjunctivitis (“pink eye”) with marginal corneal inflammation Subconjunctival hemorrhage—widely referred to as "red eye"—is the most common ocular problem seen by primary-care clinicians. Red ...

A swollen eyelid is usually a symptom, not a condition. It's very common and is usually due to allergy, inflammation, infection, or injury. The skin of your eyelid is less than 1 millimeter thick. But ...