Lecture 5: Red Eye Flashcards
What are the layers of the eye?
Conjunctiva
Episclera
Sclera
What aspects of a Hx do you want to know in a red eye?
- Past ocular
disease/symptoms - Decreased vision
- Pain and severity
- Photophobia
- Ocular discharge
- Associated systemic
symptoms
Whats the overall process to interviewing a red eye?
Hx
Vision
Discharge
Appearance
Pupils
How do you classify eye discharge?
- Serous/watery
- Mucoid
- Purulent
- Mucopurulent
How do you record pupil reactivity?
- Miosis
- Mid-dilated
- Sluggish/no reaction to
light
What are the 8 common causes of a red eye?
- Conjunctivitis
- Sub-conjunctival haemorrhage
- Keratitis
- Episcleritis
- Scleritis
- Acute anterior uveitis
- Acute angle closure crisis
- Ocular trauma
Lens
Image © Charles McGhee
Whats this?
Viral conjuntivitis
Whats this?
Allergic conjunctivitis
Whats this?
Bacterial conjunctivits
What is found in the hx of keratitis? and whats the vision like?
- Painful (foreign body sensation)
- Photophobic
- Tearing
- Hx of CL wear/trauma
Vision: Decreased, esp if involves visual axis
How would you describe keratitis normally?
- Circumcorneal injection
- Corneal infiltrate/hazy cornea
- Overlying epithelial defect
In keratitis and conjuctivitis that is infective what must you do?
Swab and isolate organisms to test for sensitivities
Whats the medical management of acute closed angle gluacoma?
Medical
o Topical:
Alpha-agonist, Beta-blockers, Mitotics (Pilocarpine)
o Systemic:
Carbonic anhydrase inhibitors (Diamox), Osmotics (Mannitol)
Whats in the history of acute anterior uveitis? Hows their vision? Discharge?
Moderate aching pain
* Photophobia
* Past history (esp if HLA-B27)
* Systemic symptoms
Vision blurred
No discharge
How do you manage acute anterior uveitis?
- Subdue inflammation
o Topical corticosteroids (g.predforte) - Prevent posterior synechiae
o Mydriatics (g.cyclopentolate) - Watch for elevated IOP
o Topical ocular hypotensives (g.timolol)
