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Some Common Eye Conditions

Some Common Eye Conditions. Blepharitis. Posterior. Anterior. Complications of staphylococcal blepharitis. Trichiasis,. Madarosis,. Poliosis. Recurrent styes. Tear film instability. Marginal keratitis. Signs of chalazion (meibomian cyst). Painless, roundish, firm lesion

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Some Common Eye Conditions

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  1. Some Common Eye Conditions

  2. Blepharitis Posterior Anterior

  3. Complications of staphylococcal blepharitis Trichiasis, Madarosis, Poliosis Recurrent styes Tear film instability Marginal keratitis

  4. Signs of chalazion (meibomian cyst) Painless, roundish, firm lesion within tarsal plate May rupture through conjunctiva and cause granuloma

  5. Surgical Treatment of Chalazion Injection of local anaesthetic Insertion of clamp Incision and curettage

  6. Sub Tarsal FB - Signs Possible fluorescein staining of cornea • foreign body tracks, often vertical Embedded material on tarsal conjunctival surface Hyperaemia

  7. Corneal Abrasion (Acute) - Signs Vary according to severity of trauma - Lid oedema and erythema - Conjunctival hyperaemia - Corneal epithelial defect (stain with fluorescein) - Corneal oedema beneath defect - Visual loss (due to epithelial disruption and stromal oedema) - Possible secondary anterior uveitis (anterior ciliary injection, cells, flare)

  8. Corneal FB - Signs • FB adherent to ocular surface • Linear corneal scratches • Corneal rust ring from ferrous fb • Surrounding ring of oedema & infiltrate if long standing • Subconjunctival hge might be present

  9. Corneal Erosion • Hx of trauma • Corneal dystrophy eg Cogan’s • Recurrent breakdown of corneal epithelium • ? Defective adhesion of basement membrane • Can take up to 3 months to resolve • Unilateral sharp pain • Lacrimation • Photophobia • Discomfort on awakening • Blurring • Can recur

  10. Contact Lens Red Eye Problems Corneal infiltrative lesions - contact lens related or marginal keratitis - peripheral, small (0.5 – 1.5 mm) with less anterior chamber response - not a marker for increased risk of bacterial infection >>>>> Microbial Keratitis / Acanthamoeba keratitis CLARE IK CLPU

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