| 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 | Eyelid | Tender | No | No | No | Normally bacterial Mild disease, but may => orbital cellulitis in kids | Orbital cellulitis | Conjunctiva + lids | ++ On movement | Blurred vision Reduced acuity Diplopia | | | Life-threatening disease | Episcleritis | Localised or diffuse | Mild Grittiness | No | Watery | Mild | Common Relatively benign | Scleritis | Localised or diffuse | +++ Severe, boring Radiates | + | Watery | + | Associated with systemic symptoms (e.g. RA) | Endophthalmitis | Diffuse | +/- | + | | | 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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