Eyelid Disorders Flashcards
Pterygium
risk factors
- increased UV light exposure in sunny climates
- sand, wind, dust exposure
Pterygium
clinical presentation
4 components
- elevated, superficial fleshy, triangular-shaped growing mass
- starts medially & extends laterally
- irritation, erythema, foreign body sensation
- can impair vision
Pterygium
management
3 components
- observation
- artificial tears
- surgical removal once vision is impaired
Pterygium
what can occur with recurrent pterygium
can cause sx more quickly resulting in more surgery and increased scarring
Pinguecula
risk factors
2
- eye irritation (dry, windy, sunny conditions)
- ocular trauma
Pinguecula
clinical manifestations
4 components
- yellow
- slightly elevated nodule
- found on nasal side of sclera
- does not grow onto cornea
Pinguecula
management
2
- no tx necessary
- cosmetic: resection
Hordeolum
most common bacteria
s. aureus
Hordeolum
pathophys of internal infection
inflammation or infection of a meibomian gland found deep from the palpebral margin under the eyelid
Hordeolum
pathophys of external infection
infection of an eyelash follicle or sebaceous gland near the lid margin w/ production of pus in the gland of Moll or Zeis
Hordeolum
clinical manifestations
5
- localizaed erythema
- painful
- warm
- tender
- nodular/pustule on the eyelid
Hordeolum
management
- warm compress
- may need I&D or abx ointment
Hordeolum
which abx ointment to use
erythromycin or bacitracin
Chalazion
pathophys
obstruction of Zeis or Meibomian glans
Chalazion
clinical manifestations
3
- non-tender (PAINLESS)
- localized edema
- conjunctival nodule
Chalazion
management
2 components
- eyelid hygiene
- warm compress
Chalazion
what to do if refractory?
- refer to ophthalmology
- glucocorticoid infection or I&D
Chalazion vs Hordeolum
Chalazion is larger, firmer, slower growing, less painful than hordeolum
Ectropian
risk factors
4
- elderly
- CN 7 palsy
- congential
- infectious
Ectropian
pathophys
relaxation of orbicularis oculi muscle
Ectropian
PE findings
eyelid/lashes are everted (turned outward)
Ectropian
clinical findings
5
- irritation
- ocular dryness
- tearing
- sagging of eyelid
- increased sensitivity
Ectropian
management
3
- lubricating eyedrops
- moisture shield
- surgical correction
Entropion
risk factors
elderly
Entropion
pathophys
spasm of the orbicularis oculi muscle
Entropion
PE findings
eyelid and lashes are inverted (turned inward)
Entropion
clinical presentation
4 components
- erythema
- tearing
- increased sensitivity
- corneal abrasion/ulceration
Entropion
management
- lubricating eyedrops
- moisture shield
- surgical correction
Blepharitis
risk factors
4
- down syndrome
- atopic dermatitis
- rosacea
- seborrheic dermatitis
Blepharitis
pathophys of anterior
- commonly infectious/viral in naure (s. aureus or s. epidermis)
- can also be seborrheic
Blepharitis
pathophys of posterior
meibomian gland dysfunction
Blepharitis
clinical manifestations
6
- burning
- erythema
- crusting/scaling
- red rimming of the eyelid
- gritty sensation
- flaking on the lashes/lid margins
Blepharitis
potential PE finding
+/- entropion or ectropion
Blepharitis
management
- eyelid hygiene (warm compress, scrub, massage, artificial tears)
Blepharitis
what to use if severe or refractory
2
- abx (erythromycin, azithromycin, ofloxacin)
- topical glucocorticoid
Dacrocystitis
common etiologies
4
- s. epidermis
- s. aureus
- GABHS
- pseudomonas
Dacrocystitis
risk factors
2
- sjorgen syndrome
- thyroid disease
Dacrocystitis
pathophys
obstruction of the nasolacrimal duct
Dacrocystitis
clinical manifestations of acute disease
6
- tenderness/pain
- tearing
- erythema
- edema
- warm to touch (medial canthal side/lower lid area)
- +/- purulent discharge
Dacrocystitis
clinical manifestation of chronic
1 additional
mucopurulent drainage from puncta
Dacrocystitis
management acute
abx PO (clindamycin) + warm compress
Dacrocystitis
management of chronic
dacrocystorhinostomy
Viral Conjunctivitis
most common in who
children
Viral Conjunctivitis
mode of transmission
direct contact
Viral Conjunctivitis
common source
swimming pools
Viral Conjunctivitis
clinical manifestations
5
- bilateral
- foreign body sensation/gritty
- ocular erythema
- tearing/watery discharge
- itching
Viral Conjunctivitis
how is vision?
unimpacted
Viral Conjunctivitis
PE findings
- ipsilateral pre-auricular lymphadenopathy (enlarged/tender)
- copious watery tearing
- tarsal conjunctiva may be follicular/bumpy
Viral Conjunctivitis
management
3
- warm/cool compress
- artificial tears
- anti-histamines (olopatadine)
Bacterial Conjunctivitis
causative agents
adults, general, contact use
- adults: s. aureus
- general: s. pneumonia, h. influenzae, m. catarrhalis
- contacts: pseudomonas
Bacterial Conjunctivitis
clinical manifestations
4 components
- painless
- mucopurulent discharge/crusting
- conjunctival erythema
- “eyelids crusted shut in AM”
Bacterial Conjunctivitis
associated vision changes
none
Bacterial Conjunctivitis
managment
topical abx
* erythromycin
* trimethoprim-polymixin B
* ofloxacin
Bacterial Conjunctivitis
management if contact user
ciprofloxacin or ofloxacin
Allergic Conjunctivitis
pathophys
type I (IgE) mediated rxn causing local mast cell degranulation and histamine release
Allergic Conjunctivitis
clinical manifestations
4
- conjunctival erythema
- watery discharge
- marked pruritis
- other allergy sx (nasal congestion, sneezing)
Allergic Conjunctivitis
associated vision changes
none
Allergic Conjunctivitis
PE Findings
3
- cobblestone mucosa
- watery stringy discharge
- conjunctival edema
Allergic Conjunctivitis
management
- supportive measures
- topical anti-histamine (olopatadine, pherniramine-naphazoline)
Gonococcal Conjunctivitis
complications
2
- meningitis
- blindness
Gonococcal Conjunctivitis
when is this typically spread
during delivery, sx appear 2-5d later
Gonococcal Conjunctivitis
dx
PCR or gram stain
Gonococcal Conjunctivitis
clinical manifestations
6
- conjunctival injection
- chemosis
- eyelid edema
- mucopurulent discharge
- globe tenderness
- pre-auricular lymphadenopathy
Gonococcal Conjunctivitis
preventive management
erythromycin ophthalmic ointment
Gonococcal Conjunctivitis
sx management
- IM ceftriaxone
- IM cefotaxime
Chlamydial Conjunctivitis
leading cause of?
blindness of infectious origin
Chlamydial Conjunctivitis
incubation period
2-19 days
Chlamydial Conjunctivitis
associated w/
concurrent genital infection
Chlamydial Conjunctivitis
dx
PCR or gram stain
Chlamydial Conjunctivitis
clinical manifestations
6
- unilateral
- mucopurulent discharge
- hyperemic tarsal conjunctiva
- marked tarsal follicular response
- pre-auricular lymphadenopathy
- +/- superior corneal opacity/vascularization
Chlamydial Conjunctivitis
management
abx PO (azithromycin or doxy)
Chlamydial Conjunctivitis
prevention
treat all partners of pts with this
Keratoconjunctivitis Sicca
risk factors
8
- female gender
- increasing age
- DM
- Sjogrens
- Parkinsons
- hormonal changes
- Vitamin A deficiency
- contact lens use
Keratoconjunctivitis Sicca
pathophys
- decreased tear production
- abnormal meibomian gland pathophys
Keratoconjunctivitis Sicca
clinical manifestations
7
- dryness
- irritation
- bilat conjunctival infection
- foreign body sensation
- paradoxical excessive tearing
- photophobia
- blurred vision
Keratoconjunctivitis Sicca
PE findings
4
- corneal scarring
- ec/en tropian
- blephritis
- reduced blink rate
Keratoconjunctivitis Sicca
management
2 components
- artificial tears, gels, ointments
- ophthalmology referral
Orbital/Septal Cellulitis
typically secondary to?
sinus infection (ethmoid sinusitis)
Orbital/Septal Cellulitis
most common in?
children
Orbital/Septal Cellulitis
most common etiologies
- s. aureus
- streptococci
- GABHS
- h. influenzae
Orbital/Septal Cellulitis
dx
CT head or clinical
Orbital/Septal Cellulitis
clinical manifestations
5
- ocular pain (esp w/ EOM)
- ophthalmoplegia (EOM weakness)
- diplopia
- proptosis (protrusion of eye)
- +/- visual changes
Orbital/Septal Cellulitis
management
4 components
- hosp admission
- IV abx (vanco followed by ceftriaxone, ampicillin-sulbactam, piperacillin-tazobactam)
- drainage
- ENT referral
Preseptal/Periorbital Cellulitis
where is infection located
- anterior to the orbital septum
Preseptal/Periorbital Cellulitis
commonly due to?
sinusitis or contagious infection of the soft tissues of the eyelid/face
Preseptal/Periorbital Cellulitis
what should we think of with these?
PPP?
insect bites
Preseptal/Periorbital Cellulitis
common pathogens?
- s. aureus (MRSA)
- streptococci
- anaerobes
Preseptal/Periorbital Cellulitis
dx
clinical & if uncertain then order CT
Preseptal/Periorbital Cellulitis
clinical manifestations
5 components
- unlateral
- ocular pain
- eyelid erythema
- edema
- no pain w/ movement/limitation w/ movement
Preseptal/Periorbital Cellulitis
management
2 components
- abx: TMP-SMZ, clindamycin
- if younger than 1 y/o, inpatient tx
Bacterial Keratitis
causative agents
general, w/ contacts
- general: s. aureus, streptococci
- contacts: pseudomonas aeruginosa
Bacterial Keratitis
risk factors
4 components
- improper contact lens wear
- dry ocular surface
- topical corticosteroid use
- immunosuppression
Bacterial Keratitis
clinical manifestations
7
- unilateral
- ocular pain
- photophobia
- redness
- vision changes
- foreign body sensation
- cannot keep affected eye open
Bacterial Keratitis
PE findings
4
- conjunctival erythema
- ciliary injection
- hazy cornea
- hypopyon
Bacterial Keratitis
findings w/ slit lamp
increased fluorescein uptake
Bacterial Keratitis
management
- ophthalmology referral for corneal culture
- topical fluoroquinolone (moxifloxacin)
Bacterial Keratitis
what to absolutely avoid!
DO NOT PATCH EYE
HSV Keratitis
pathophys
corneal infection and inflammation due to reactivation of HSV in the trigeminal ganglion
HSV Keratitis
dx
- fluorescein staining (Slit lamp)
HSV Keratitis
slit lamp findings
dendritic corneal ulceration
HSV Keratitis
clinical manifestations
8
- acute onset
- unilateral
- ocular pain
- photophobia
- conjunctival erythema
- blurred vision
- ciliary flush (limbic injection)
- pre-auricular lymphadenopathy
HSV Keratitis
management
- topical: acyclovir
- PO: valacyclovir
Herpes Zoster Keratitis
pathophys
after initial zoster infection, it becomes latent in the dorsal root ganglia or trigeminal ganglia where it can reactivate
Herpes Zoster Keratitis
dx
- clinical + fluoroscein staining
- PCR PRN
Herpes Zoster Keratitis
prodrome sx
4
- HA
- malaise
- fever
- unilateral pain
Herpes Zoster Keratitis
describe rash
4 components
- group vesicles
- erythematous base
- Hutchinson’s Sign (rash on nose)
- ocular involvement (hyperemic conjunctivitis, uveitis, episcleritis)
Herpes Zoster Keratitis
describe slit lamp findings
dendritic uptake of fluoroscein
Herpes Zoster Keratitis
management
- urgent ophthalmology referral
- analgesics for pain
- atropine
- PO anti-viral
Fungal Keratitis
common causative agents
- fusarium
- aspergillus
- candida
Fungal Keratitis
pathophys
- fungal infection of cornea
- occurs after eye injury
Fungal Keratitis
risk factors
3
- eye injury w/ veg active matter
- corticosteroid use
- contact lens use
Fungal Keratitis
dx
clinical, +/- corneal biopsy
Fungal Keratitis
clinical manifestation
- blurry vision
- sudden ocular pain
- photosensitivity
- eye erythema
- tearing
- blepharospasm
Fungal Keratitis
management
3
- ophthalmology referral
- antifungal PO (natamycin, voriconazole)
- +/- corneal transplant
Acanthamoeba Keratitis
pathophys
rare corneal infection w/ acanthamoeba species
Acanthamoeba Keratitis
diagnosis
corneal biopsy or PCR
Acanthamoeba Keratitis
clinical manifestations
8
- unilateral
- pain out of proportion to clinical findings
- decreased vision
- ocular erythema
- foreign body sensation
- photophobia
- tearing
- mucopurulent discharge
Acanthamoeba Keratitis
slit lamp findings
- radial or ring-like infiltrate
- perineural infiltrates
Acanthamoeba Keratitis
management
- ophthalmology referral
- biguanide + diamidine
- miltefosine