Bilateral red eyes

Differential Diagnosis

• Painful
  • Caustic Keratoconjunctivitis
  • Foreign body
  • Trauma
  • Contact Lens
  • Conjunctivitis
  • Blepharitis
  • Allergic reaction
  • Thyroid disease
    • gross chemosis, diplopia
  • Carotico-cavernous fistula
    • fistula between carotid and cavernous sinus presents with bilateral conjunctival edema and pulsatile exophthalmos (spontaneous in elderly, secondary to trauma in young)
• Painless
  • Conjunctivitis
  • Blepharitis
  • Allergic Reaction
  • Thyroid disease (optic nerve compression/APD)

See Also

• Eye Algorithm (Main)
• Red Eye (Unilateral)

References

Adapted from Pani