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.