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
Disorders of malposition of the lids Ectropion Entropion Ptosis Lagophthalmos Trichiasis (disorder of eyelashes)
What are the factors responsible for the normal positioning of the eyelids ?
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
Ectropion Definition Outward rolling of the lid margin is called ectropion Types Congenital Acquired Involutional Cicatrical Paralytic Mechanical