Conjunctiva
Viral Conjunctivitis
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Viral Conjunctivitis
, Pink Eye, Adenopharyngitis Associated Conjunctivitis
See Also
Epidemic Keratoconjunctivitis
Herpes Simplex Conjunctivitis
Epidemiology
Viral Conjunctivitis is most common
Conjunctivitis
cause (80% of cases)
Typically spread by contaminated hands
Viral sources can survive on fomites for up to 72 hours
Common cause of Swimming Pool
Conjunctivitis
Chlorine
does not eliminate the virus
Causes
Adenovirus
(most common)
Epidemic Keratoconjunctivitis
(more severe,
Lymphadenopathy
)
Enterovirus
Coxsackievirus
Varicella Zoster Virus
Epstein-Barr Virus
(EBV,
Mononucleosis
)
Herpes Simplex Virus
(
Herpes Keratitis
)
Influenza
Symptoms
Mild watery
Eye Discharge
or tearing
Insidious onset over 36 hours
Mild eye burning to no pain (eye may feel gritty)
Mild eye itch
Diffuse
Conjunctival Hyperemia
Unilateral initially and spreads to opposite eye within 1-2 days
Associated symptoms
Upper Respiratory Infection
Severe
Pharyngitis
with some infections (e.g. coxsackievirus,
Mononucleosis
)
Signs
Marked
Conjunctiva
l erythema
Epiphora (Eye tearing)
Preauricular Lymphadenopathy
(anterior to tragus)
Highly suggestive of Viral Conjunctivitis (especially
Adenovirus
)
Mild palpebral
Conjunctiva
l follicular response
Multiple small subepithelial
Cornea
l infiltrates (severe cases)
Fever
Differential Diagnosis
Epidemic Keratoconjunctivitis
Bacterial Conjunctivitis
Precautions
Red Flags
See
Conjunctivitis
Management
Conditions requiring urgent ophthalmology referral
Herpetic
Conjunctivitis
Epidemic Keratoconjunctivitis
Warm soaks to keep lids and lashes free of debris
Cool compresses may be soothing
Practice good hygiene to prevent contagious spread
Topical lubricant (
Methylcellulose
) or artificial tears
Antibiotic not indicated in Viral Conjunctivitis
See
Bacterial Conjunctivitis
Prevention
Frequent
Hand Washing
Do not share towels
Wipe contaminated surfaces with bleach
Adenovirus
survives on surfaces for 72 hours
Course
Eye discomfort may persist for up to 10 days
Infectious while excessive eye watering continues (typically 10-14 days)
Resources (Include Patient Education)
See
Conjunctivitis Resources
References
Williams (2017) Crit Dec Emerg Med 31(2): 3-12
Cronau (2010) Am Fam Physician 81(2): 137-44 [PubMed]
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