The Red Eye - International Council of OphthalmologyDifferential Diagnosis of “red eye”...
Transcript of The Red Eye - International Council of OphthalmologyDifferential Diagnosis of “red eye”...
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The Red EyeDifferential Diagnosis
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Differential Diagnosis of “red eye”
Conjunctiva
Pupil Cornea Anterior chamber
IOP
Subconjunctival Haemorrhage
Bright red Normal Normal Normal Normal
Conjunctivitis Injected vessels, fornices.
Discharge
Normal Normal Normal Normal
Iritis Injected around cornea
Small, fixed,
irregular
Normal, KPs
Turgid, deep
Normal
Acute glaucoma Entire eye red Fixed, dilated,
oval
Hazy Shallow High
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Conjunctivitis
Follicles Purulent dischargePapillae
ChemosisRedness
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Subconjunctival Haemorrhage
• Diffuse or localised area of blood under conjunctiva. Asymptomatic
• Idiopathic, trauma, cough, sneezing, aspirin, HT
• Resolves within 10-14 days
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Dry Eye Syndrome
• Poor quality – Meibomian gland disease,Acne rosacea– Lid related– Vitamin A deficiency
• Poor quantity– KCS
• Sjogren Syndrome• Rheumatoid Arthritis
– Lacrimal disease ie, Sarcoidosis– Paralytic ie, VII CN palsy
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Corneal Abrasion
• Surface epithelium sloughed off. • Stains with fluorescein• Usually due to trauma• Pain, FB sensation, tearing, red eye
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Corneal Ulcer
• Infection– Bacterial: Adnexal infection, lid malposition,
dry eye, CL– Viral: HSV, HZO– Fungal:– Protozoan: Acanthamoeba in CL wearer
• Mechanical or trauma• Chemical: Alkali injuries are worse than acid
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Episcleritis
• Superficial• Idiopathic, collagen
vascular disorder (RA)• Asymptomatic, mild
pain• Self-limiting or topical
treatment
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Scleritis
• Deep • Idiopathic• Collagen vascular disease (RA,AS, SLE,
Wegener, PAN) • Zoster • Sarcoidosis• Dull, deep pain wakes patient at night• Systemic treatment with NSAI or Prednisolone if
severe
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Uveitis
Anterior: acute recurrent and chronicPosterior: vitritis, retinal vasculitis, retinitis,
choroiditisPanuveitis:anterior and posterior
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Anterior uveitis (iritis)
• Photophobia, red eye, decreased vision• Idiopathic. Commonest• Associated to systemic disease
– Seronegative arthropathies:AS, IBD, Psoriatic arthritis, Reiter’s
– Autoimmune: Sarcoidosis, Behcets– Infection: Shingles, Toxoplasmosis, TB,
Syphillis, HIV
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Ciliary flush
Posterior synechiae
KPs
Fibrin
Hypopyon
Flare
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Acute Angle-closure Glaucoma
• Symptoms– Pain, headache,
nausea-vomiting– Redness, photophobia, – Reduced vision– Haloes around lights
Corneal oedema
Ciliary hyperaemiaDilated pupil
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