Acute Red Eye Trauma Flashcards
What are major symptoms with red eye?
Visual loss
Pain
Discharge
What are infective causes of a red eye?
Conjunctivitis
Corneal ulcers
What are trauma causes of a red eye?
Corneal foreign body
Chemical injury
What are inflammatory causes of a red eye?
Episcleritis
Scleritis
Iritis
Describe bacterial conjunctivitis?
Usually bilateral
Purelent discharge
Mild chemosis
Gritty discomfort
Describe viral conjunctivitis?
Often bilateral Watery discharge Moderate chemosis Gritty discomfort/burning Often assoc. w/ pre-auricular lymph nodes
How do you treat bacterial conjunctivitis?
Topical antibiotics i.e. chloramphenicol
How do you treat viral conjunctivitis?
Supportive - cool compresses, lubricants
What are risk factors for bacterial corneal ulcers?
Corneal abrasion
CL wearer
Dry eye
Iatrogenic
What test should be done for a corneal ulcer?
Corneal scrape to determine causative organism - staph and strep common
How do you treat a bacterial corneal ulcer?
Topical antibiotics. e.g. ofloxacin hourly
Describe herpetic corneal ulcers
Common
HSV infections in past
Typical dendritic ulcer
Treat with topical aciclovir (7-10 days)
What shouldn’t be given with a dendritic ulcer?
Steroids - leads to a geographical corneal ulcer
Describe episcleritis
Common Self limiting Mild discomfort Localised, superficial injections blanched with phenylephrine Top. lubricants or NSAIDs
Describe scleritis?
Rare Assoc with connective tissue disorders Diffuse, deep violaceous hue Doesn't blanch with phenylephrine Treat with oral NSAIDs or systemic steroids, immunosuppression if necrosis
