What causes subconjunctival hemorrhages?
  • Coughing
  • Heavy lifting
  • Throwing up
  • Eye surgery
  • Trauma
  • High blood pressure
  • Anemia
  • Spontaneous (unknown cause)

Risk Factors
  • Patients with vascular diseases such as diabetes or high blood pressure have a higher risk of developing subconjunctival hemorrhages.
  • Also, patients taking blood thinners and patients with certain systemic diseases have a higher risk of developing subconjunctival hemorrhages.