Contact Lens-Induced Acute Red Eye(CLARE)

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Contact Lens-Induced Acute Red Eye(CLARE)

  1. 1. in the name of god Boyuk tanrimin adila Contact Lens-Induced Acute Red Eye(CLARE) Ehsan Shir Ali Vand(MS Opt) 16th congress of optometry Tehran- Iran August 2013www.optazar.blogfa.com
  2. 2. Definition - inflammatory eye reaction - Usually unilateral - Redness of limbus - Sterile infiltrative keratitis
  3. 3. Symptoms: - Redness - Irritation - Mild pain - Photophobia - Watering
  4. 4. sign - Infiltration - Anterior chamber involvement (-) - Fluorescein staining (-)
  5. 5. Etiology - Bacterial contamination - Hypoxia - Tight lens - Deposit
  6. 6. Deposit - Denatured protein ,calcium ,lipid and… - Mechanical trauma
  7. 7. Bacterial contamination - Gram negative - Gram positive
  8. 8. Corneal Hypoxia
  9. 9. Examination - Slit lamp eye examination: - Low mag. Diffuse illumination - High mag. Direct and indirect illumination - Fluorescein staining method
  10. 10. infiltrations -sterile infiltration -infectious infiltration
  11. 11. Sterile infiltration - Contact lens induced peripheral ulcer(CLPU) - Contact lens induced acute red eye(CLARE) - Infiltrative keratitis(IK)
  12. 12. Differential diagnosis -sterile infiltrations: - CLARE - CLPUC - Infiltrative keratitis(IK) - microbial keratitis(MK)
  13. 13. CLPU - Unilateral inflammatory reaction - Noticed in morning - Epithelial loss - Anterior chamber involvement - Corneal staining - Watering ,limbal redness ,mild to severe pain ,foreign body sensation .
  14. 14. Infiltrative keratitis - Sub epithelial infiltration - Daily occurrence - Burning ,mild pain ,redness - Unilateral inflammatory reaction
  15. 15. Microbial keratitis - Corneal staining more than 2mm in diameter - Focal infiltration more than 1.5mm in diameter - Severe ocular pain that persist or worsens after lens removal - Extensive anterior chamber flare - Significant vision loss
  16. 16. prognosis - Discomfort - Photophobia - Infiltration - Vision loss
  17. 17. Management - Cease lens usage - Improve hygiene - Fit frequent replacement lens - Fit low water content lens - Avoid tight lens fit
  18. 18. Thank you for your attention

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