Conjunctival injection

Red eye caused by the widening of blood vessels on the surface of the eye.

Causes

• Infections and Inflammation

  • Viral conjunctivitis

  • Bacterial conjunctivitis

  • Blepharitis

  • Keratitis or Corneal Ulcers

• Allergies and Irritants

  • Allergic reactions: Pollen, dust, or pet dander

  • Environmental irritants: Smoke, smog, or chemical splashes

  • Dry eye syndrome: Lack of proper tear film leading to surface irritation

• Trauma and Other Conditions

  • Foreign body or abrasion

  • Subconjunctival hemorrhage: Ruptured blood vessel

  • Glaucoma