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13.10.12 Red eye



 Redness 
Pain 
Vision loss 
Discharge 
Photophobia 
Notes
Conjunctivitis 
Diffuse
No 
No 
Lots
Watery/sticky 
No 
Infective: Treat with chloramphenicol
Allergic: Treat with Optocron/Antihistamines
Keratitis
(Corneal ulcer)
Around ulcer 
+++ 
Depends where it is 
Sticky/watery 
+++ 
Viral: HSV1
Bacterial: Gram -ves (from contact lenses)
Fungal: Common in tropics
Uveitis/Iritis
Ciliary flush 
(Spreads from cornea) 

+/- 
No 
++ 
Autoimmune (IBD, SLE, sarcoid, Ank Spond)
Steroids + Dilators to break up stickiness
Acute angle closure glaucoma
Diffuse
Unilateral
+++
Also headache 
+++ 
Watery 

Fixed mid-dilated pupil, Headache, Vomiting
Treat with pilocarpine, acetazolamide, iridotomy
Preseptal Cellulitis EyelidTender No No No Normally bacterial
Mild disease, but may => orbital cellulitis in kids 
Orbital cellulitisConjunctiva + lids 
++
On movement 
Blurred vision
Reduced acuity
Diplopia 
  Life-threatening disease
 
EpiscleritisLocalised or diffuse Mild
Grittiness 
 No WateryMild Common
Relatively benign
Scleritis Localised or diffuse +++
Severe, boring
Radiates
 WateryAssociated with systemic symptoms (e.g. RA) 
EndophthalmitisDiffuse +/-  Extremely serious complicaiton of eye surgery
Subconjunctival haemorrhage
    Depends on site No No No No From trauma, straining, vomiting
    Looks bad but harmless

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