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1. Allergic rhinoconjunctivitis

ALLERGIC CONJUNCTIVITIS. 1. Allergic rhinoconjunctivitis. 2. Vernal keratoconjunctivitis. 3. Atopic keratoconjunctivitis. Allergic rhinoconjunctivitis. Hypersensitivity reaction to specific airborn antigens. Frequently associated nasal symptoms. May be seasonal or perennial.

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1. Allergic rhinoconjunctivitis

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  1. ALLERGIC CONJUNCTIVITIS 1. Allergic rhinoconjunctivitis 2. Vernal keratoconjunctivitis 3. Atopic keratoconjunctivitis

  2. Allergic rhinoconjunctivitis • Hypersensitivity reaction to specific airborn antigens • Frequently associated nasal symptoms • May be seasonal or perennial Transient eyelid oedema Transient conjunctival oedema

  3. Vernal keratoconjunctivitis Frequently associated with atopy: asthma, hay fever and dermatitis • Recurrent, bilateral • Affects children and young • adults • More common in males • and in warm climates • Itching, mucoid discharge • and lacrimation Types • Palpebral • Limbal • Mixed Treatment • Topical mast cell stabilizers • Topical steroids

  4. Progression of vernal conjunctivitis Diffuse papillary hypertrophy, most marked on superior tarsus Formation of cobblestone papillae Rupture of septae - giant papillae

  5. Limbal vernal Trantas dots Mucoid nodule

  6. Progression of vernal keratopathy Punctate epitheliopathy Epithelial macroerosions Plaque formation (shield ulcer) Subepithelial scarring

  7. Atopic keratoconjunctivitis Typically affects young patients with atopic dermatitis Eyelids are red, thickened, macerated and fissured

  8. Progression of atopic conjunctivitis Infiltration of tarsal conjunctiva causing featureless appearance Mild symblepharon formation Inferior forniceal papillae

  9. Progression of atopic keratopathy Punctate epitheliopathy Persistent epithelial defects Peripheral vascularization Subepithelial scarring

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