Viral Conjunctivits Flashcards
What is the most common form of acute infective conjunctivitis?
Viral conjunctivitis (non-herpetic) is the most common form.
How does viral conjunctivitis typically spread between the eyes?
It starts unilaterally (in one eye) and spreads bilaterally, with the first eye usually more affected.
What virus commonly causes non-herpetic viral conjunctivitis?
Adenovirus.
What are the common signs of viral conjunctivitis?
Watery discharge, conjunctival hyperaemia, follicular reaction, and punctate lesions on the cornea.
What are the common symptoms of viral conjunctivitis?
Redness, discomfort (burning/grittiness), watering, and blurred vision (if the central cornea is affected).
How long does viral conjunctivitis typically take to resolve?
It is self-limiting and resolves in 1-2 weeks.
What precautions should be taken to prevent spreading viral conjunctivitis?
It is contagious; patients should not share towels.
How long should someone with adenoviral conjunctivitis stay off school or work?
Two weeks to prevent spreading the infection.
What can be done to relieve the symptoms of viral conjunctivitis?
Cold compresses can be used for symptomatic relief.
When is an emergency referral necessary for viral conjunctivitis?
If there is significant keratitis with severe pain or visual loss.
What diagnostic procedure can be used to identify the strain of the virus in viral conjunctivitis?
Conjunctival swabs for strain identification.
Are topical or systemic antivirals effective against adenovirus in viral conjunctivitis?
No, current antivirals are ineffective against adenovirus.
What treatments can be used for severe itching in viral conjunctivitis?
Artificial tears, lubricating ointments, and topical antihistamines.
When are low-dose topical steroids indicated in viral conjunctivitis?
They may be used if there are corneal opacities present.
Is referral usually necessary for viral conjunctivitis?
Normally, no referral is needed unless there are complications like keratitis.
