Ayesha S Abdullah 06.09.2013. CATARACT Vitamin A deficiency Corneal xerosis Bitot spot Normal.
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Transcript of Ayesha S Abdullah 06.09.2013. CATARACT Vitamin A deficiency Corneal xerosis Bitot spot Normal.
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Disorders of malposition of the
lids Ayesha S Abdullah
06.09.2013
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CATARACT
Recap
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Glaucoma
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Corneal opacity
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Childhood blindnessmortality & morbidity
Vitamin A deficiency
Keratomalacia
Corneal xerosis
Bitot spot
Normal
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Trachoma
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Age-related macular degeneration
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DIABETIC RETINOPATHY
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What abnormality do you see?
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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
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Disorders of malposition of the lids
Ectropion Entropion Ptosis Lagophthalmos
Trichiasis (disorder of eyelashes)
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What are the factors responsible for the normal positioning of the eyelids ?
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What are the factors responsible for the normal positioning of the eyelids ?
Tarsal plate Orbicularis oculi Lid retractors Medial and lateral canthal tendons
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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
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Ectropion Definition Outward rolling of the lid margin is called
ectropion Types Congenital Acquired
Involutional Cicatrical Paralytic Mechanical
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INVOL.
CICATRICAL
PARALYTIC
MECHANICAL
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Ectropion Complications
Conjunctival Corneal
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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
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Entropion Definition
Inward rolling of the eyelid margin What is inward turning of the eyelashes called?
Types Congenital Acquired
Involutional Cicatrical Spastic
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Complications Conjunctival Corneal
Management Medical
Lubricants; artificial tears and lubricating ointments A protective eye shield worn at night to prevent drying
Surgical
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Ptosis Definition Drooping of the upper eyelid Types:
Congenital Acquired
Neurogenic Myogenic Aponeurorotic Mechanical
NoMAM
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Ptosis Clinical evaluation
Amount of ptosis Function of Levator Palpebrae Superioris Bell’s phenomenon
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Complications Amblyopia in children
Treatment Surgical
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Diagnosis
Complication ?
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Photo Quiz
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Jaw Winking
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