3: Eyelid disorders Flashcards
Define entropion
Turning of the inner eyelid towards to globe
What causes entropions
Ageing
How do entropions present clinically
- Lower eyelid is turned
towards to globe - Foreign body sensation in the eye
- Photophobia
- Blepharospasm
- Epiphoria
What is blepharospasm
Abnormal contraction of eyelid muscles
What is epiphora
Excessive watering
What can entropion cause
Eyelid can irritate the cornea leading to abrasions - which may cause secondary infection
What is first-line management of entropion
Use of tape to stick lower eyelid to cheek to provide short-term relief
What is second-line management of entropion
Botox
What is third-line management of entropion
Surgical correction
What is an ectropion
Eversion of the lower eye-lid
What typically causes ectropion
Ageing
How does ectropion presentt
Everted eyelids
Irritation
Epiphora
How are ectropions managed
Surgery
What is blepharitis
Inflammation eyelid
What causes blepharitis
- Staphylococcus
- Viral
- Seborrheic dermatitis
- Rosacea
How does blepharitis present
- Swelling eye lids
- Irregular, burning, itching margins
- Crusting of the lashes
How is blepharitis managed
Eyelid hygiene
Oral erythromycin
What is a chalazion
grantulomatous swelling due to obstruction of meibomian gland
What are the sebaceous glands of the eye called
meibomian glands
What can cause chalazion
obstruction of sebaceous gland:
- poor hygiene
- stress
- infections (TB)
How will chalazions present clinically
Firm, painless rubbery nodule on the eyelid
How are chalazions managed
- Conservative
- Incision and curettage
If a persistent chalazion what may it indicate
carcinoma of meibomian gland
What is a stye also called
hordeolum