Flashcards
Opthamology: Eyelids (Entropion, Ectropion, Blepharitis, Stye, Chalazion)
Cards in this deck (10)
- 1—Entropion
- 22397 Entropion - what is it, how is it Rx?* Eyelid rolls inwards
* Lashes act as a foreign body & cause irritation
* Occasionally the constant rubbing of lashes against the cornea causes an abrasion
The commonest cause is ageing & Sx is usually required.
K & C p1057. - 3—Ectropion
- 42397 Ectropion - what is it, how is it Rx?* Eyelid margin rolls outwards
* Lacrimal puncta is not in the correct anatomical position to drain tears & pt's usually complain of a watery eye
* Underlying factors include age, VII nerve palsy and cicatricial skin conditions
Surgery is usually required.
K & C p1057. - 5—Blepharitis
- 62399 Blepharitis - what is it, how is it Rx?* Inflammation of the lid margins may involve the lashes & follicles resulting in styes, or inflammation & blockage of meibomian glands leading to chalazion
* Causes include meibomian gland dysfunction, seborrhoea & Staphylococcus aureus infxn
* Can be asymptomatic or complain of itchy, burning eyes because of tear film instability resulting from meibomian gland dysfunction
Rx:
* Lid hygiene (key Rx) - helps reduce bacterial load & unblock meibomian glands. * Short course of topical chloramphenicol or fusidic acid useful in chronic cases
* Oral doxycycline may be required in severe cases
* People with keratitis should be referred to the ophthalmologist for topical steroids
K & C p1057. - 7—Stye
- 82401 What is a stye & how is it Rx?* Acute abscess within a lash follicle & its associated glands
* Tender, inflamed lump
* Usually staphylococcal in origin
Rx with warm compresses. If periorbital (aka preseptal) cellulitis is present use ABx's PO.
OHOO 2nd Ed p132. - 9—Chalazion
- 102402 Chalazion - what is it, how Rx?* Commonest lid lump
* Chronic lipogranulomatous inflammation of blocked meibomian glands
* Usually on upper lid
* Commoner in pt's with chronic blepharitis, rosacea, seborrhoeic dermatitis
Rx - if small often self resolving. If persistent/symptomatic - surgery.
OHOO 2nd ed p133.
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- SGUL LOB's for Opthamology: Eyelids (Entropion, Ectropion, Blepharitis, Stye, Chalazion).
- Created by
- Andrew Street · Oct 2016
- Updated
- Apr 6, 2018
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