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Disorders of malposition of the lids

Disorders of malposition of the lids . Ayesha S Abdullah 06.09.2013. Recap . CATARACT. Glaucoma. Corneal opacity . Childhood blindness mortality & morbidity . Normal . Corneal xerosis. Keratomalacia . Bitot spot. Vitamin A deficiency. Trachoma .

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Disorders of malposition of the lids

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  1. Disorders of malposition of the lids Ayesha S Abdullah 06.09.2013

  2. Recap CATARACT

  3. Glaucoma

  4. Corneal opacity

  5. Childhood blindnessmortality & morbidity Normal Corneal xerosis Keratomalacia Bitot spot Vitamin A deficiency

  6. Trachoma

  7. Age-related macular degeneration

  8. DIABETIC RETINOPATHY

  9. What abnormality do you see?

  10. Learning objectives By the end of the lecture the students would be able to • Define the various disorders of malposition of the lids • Classify ectropion, entropion & ptosis & correlate their clinical presentation with the underlying structural and functional disorder • Identify the complications of ectropion, entropion & ptosis • Outline the management of ectropion, entropion & ptosis

  11. Disorders of malposition of the lids • Ectropion • Entropion • Ptosis • Lagophthalmos • Trichiasis (disorder of eyelashes)

  12. What are the factors responsible for the normal positioning of the eyelids ?

  13. What are the factors responsible for the normal positioning of the eyelids ? • Tarsal plate • Orbicularisoculi • Lid retractors • Medial and lateral canthal tendons

  14. Clinical presentation • Symptoms • Watering • Itching and burning • Physical appearance specific to the disorder • Signs • Malposition of the lid margin • Red eyes • Keratinized conjunctiva • Corneal signs; punctate staining • Snap test for lid laxity

  15. Ectropion • Definition • Outward rolling of the lid margin is called ectropion • Types • Congenital • Acquired • Involutional • Cicatrical • Paralytic • Mechanical

  16. INVOL. CICATRICAL PARALYTIC MECHANICAL

  17. Ectropion • Complications • Conjunctival • Corneal

  18. Ectropion • Management • Medical • Lubricants; artificial tears and lubricating ointments • A protective eye shield worn at night to prevent drying • Temporary taping of the lid • Surgical

  19. Entropion • Definition • Inward rolling of the eyelid margin • What is inward turning of the eyelashes called? • Types • Congenital • Acquired • Involutional • Cicatrical • Spastic

  20. Complications • Conjunctival • Corneal • Management • Medical • Lubricants; artificial tears and lubricating ointments • A protective eye shield worn at night to prevent drying • Surgical

  21. Ptosis • Definition • Drooping of the upper eyelid • Types: • Congenital • Acquired • Neurogenic • Myogenic • Aponeurorotic • Mechanical No MAM

  22. Ptosis • Clinical evaluation • Amount of ptosis • Function of Levator Palpebrae Superioris • Bell’s phenomenon

  23. Complications • Amblyopia in children • Treatment • Surgical

  24. Diagnosis Complication ?

  25. Photo Quiz

  26. Jaw Winking

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