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MBChB IV Ophthalmology > Eyelid position abnormalities > Flashcards

Eyelid position abnormalities Flashcards

1
Q

Eyelid retraction causes

A

Thyroid eye disease (lid lag on downgaze)
Neurogenic
Mechanical
Miscellaneous

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2
Q

Eyelid retraction neurogenic causes

A 
Contralateral ptosis
Facial palsy
Aberrant CNIII regeneration
Parkinsonism
Marcus Gunn jaw winking (ipsilateral pterygoid mm)
Infantile hydrocephalus
Sympathomimetic eyedrops
Collier sign
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3
Q

Eyelid retraction mechanical causes

A

Surgical overcorrection

Scarring

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4
Q

Eyelid retraction miscellaneous causes

A

T21
Prominent globe
Uremia (summerskill sign)

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5
Q

Pseudoptosis

A 
Blepharospasm
Contralateral lid retraction
Dermatochalasis
Brow ptosis
Ipsilateral hypotropia
Apraxia
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6
Q

Ptosis exclusions

A

Plexiform neurofibroma
Tumours
Chalazia

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7
Q

Ptosis causes

A

Neurogenic
Myogenic
Aponeurotic
Mechanical

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8
Q

Ptosis neurogenic causes

A

CNIII palsy

Horner’s syndrome

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9
Q

Ptosis myogenic causes

A

Myasthenia gravis
Myotonic dystrophy
CPEO

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10
Q

Ptosis mechanical causes

A

Mass

Scarring

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11
Q

Ptosis aponeurotic causes

A

Levator weakness due to age

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12
Q

Determine cause of ptosis

A

History (congenital vs acquired)
Pupil reaction

Differential:
CNIII palsy
Horner's
Myasthenia
CNIII pupil sparing palsy
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13
Q

Botulinism effect on pupil

A

Pupil dilates

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14
Q

Ptosis due to CNIII palsy

A

Check EOM (CNIV and CNVI unaffected)

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15
Q

Ectropion causes

A

Ageing
CNVII palsy
Cicatricial (traumatic scarring/severe dermatitis)
Bulky eyelid tumour

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16
Q

Ectropion treatment

A

Surgery
Ocular lubricants
Eyelid taping

17
Q

Entropion causes

A

Aging
Conjunctival scarring
Orbicularis oris spasms

18
Q

Entropion treatment

A

Surgery
Botulinum toxin injection
Epilation of lashes

19
Q

Blepharitis general

A

Staphylococcal
Seborrhoeic
Meibomianitis

20
Q

Blepharitis complications

A 
Internal/external hordoleum
Trichiasis, poliosis, madarosis
Chalazion
Dry eye
Corneal vascularisation and scarring
Corneal infiltrates
21
Q

Blepharitis management

A

Lid hygiene
Topical AB
Systemic AB 6 - 8 weeks
Ocular lubricants

22
Q

Allergic eyelid diseases

A

Acute oedema
Atopic dermatitis
Contact dermatitis
Blepharochalasis

23
Q

Infectious eyelid diseases

A 
Preseptal cellulitis
Herpes simples
HZV
Impetigo
Erysipelas
Impetigo
Necrotising fascitis
24
Q

Miscellaneous eyelid diseases

A

Fat herniation

Systemic causes

25
Q

Acute allergic oedema

A

Insect bite, urticaria, angioedema

Self-limiting

26
Q

Dermatitis

A

Contact with chemical, allergic in origin

27
Q

Preseptal cellulitis

A

Insect bite, minor trauma, URTI, ear infection, local spread

Systemic AB

28
Q

Herpes zoster

A

Oral antivirals

29
Q

Impetigo

A

Staph/strep

Topical and systemic AB

30
Q

Erysipelas

A

Staph (minor trauma)

AB

31
Q

Systemic eyelid oedema causes

A

Renal failure
Cardiac failure
SVC obstruction

32
Q

Eyelid lumps

A 
Inflammatory
Infective
Neoplastic
Trauma
Retention cysts

MBChB IV Ophthalmology (17 decks)

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