Subconjunctival Hemorrhage Symptoms
Usually painless upon occurrence, a subconjunctival hemorrhage typically goes unnoticed until the individual looks in the mirror or someone else points out the red spot on the eye. Subconjunctival hemorrhage has few symptoms, and mostly affects a person's appearance and sometimes self-esteem. The hemorrhage, however, can cause a full sensation on the surface of the eye or a feeling of eye awareness when blinking. It can also cause slight irritation or a feeling of grittiness. Subconjunctival hemorrhage should not affect vision, cause pain, or lead to any changes in eye discharge.
Subconjunctival Hemorrhage Causes and Risk Factors
The specific cause of subconjunctival hemorrhage is not always apparent. Extremely delicate, the blood vessels of the eyes rupture easily and can break under the pressure of a powerful sneeze, violent coughing, vomiting, or strain from activities like weight lifting. Subconjunctival hemorrhage can also result from an injury to the eye in cases of excessive eye rubbing, inserting contact lenses, or through some other trauma. In addition, a viral or bacterial infection of the eye such as conjunctivitis can cause a subconjunctival hemorrhage.
Certain medications or medical conditions can predispose an individual to recurrent subconjunctival hemorrhages. These conditions include diabetes, high blood pressure or hypertension, blood clotting disorders, and blood thinning medications like aspirin or Coumadin.