In this section
Obtain a history concentrating on the possibility of ocular trauma, contact lens wear, time course of the redness, and the presence of eye pain, itch and discharge.
Signs and symptoms Diagnoses to be considered pain, photophobia, watery discharge - foreign body - traumatic corneal ulcer - herpetic ulcer - acute glaucoma purulent discharge - infective conjunctivitis itchiness, eyelid swelling and redness, watery discharge - allergic conjunctivitis dull, aching eye pain - iritis, scleritis, episcleritis subconjunctival haemorrhage - trauma - vigorous coughing or vomiting focal conjunctival injection or iris injury - trauma
pain, photophobia, watery discharge
- foreign body - traumatic corneal ulcer - herpetic ulcer - acute glaucoma
purulent discharge
- infective conjunctivitis
itchiness, eyelid swelling and redness, watery discharge
- allergic conjunctivitis
dull, aching eye pain
- iritis, scleritis, episcleritis
subconjunctival haemorrhage
- trauma - vigorous coughing or vomiting
focal conjunctival injection or iris injury
- trauma