Red eye II Flashcards
what are the symptoms of viral conjunctivitis?
- watery discharge
- irritation
- hyperemia
what is the incubation period for viral conjunctivitis?
5-12 days
viral conjunctivitis is usually due to what type of virus?
adenovirus
what are the signs and symptoms of HSV blepharoconjunctivitis?
- vesicles on skin and/or eyelid margin
- conjunctivitis follicular reaction
- epithelial keratitis
- preauricular lymphadenopathy
what is the management for HSV blepharoconjunctivitis?
- oral antivirals speed resolution
- topical trifluorothymidine or ganciclovir sufficient for conjunctiva
what are the signs and symptoms of bacterial conjunctivitis?
- bilateral
- mucopurulent discharge
- lid crusting
what are the common pathogens associated with bacterial conjunctivitis?
- staph
- strep
- haemophilus
- pseudomonas
non cultured corneal ulcers are usually treated with ____________
fluoroquinolones
contact lens wearers who develop a corneal ulcer is due to what organism?
pseudomonas
what is the leading cause of infectious corneal blindness?
herpetic infections
what is the appearance of HSV?
branching dendritic pattern with bulbs on the end of the branches
what medication should be avoided with HSV infection?
topical steroids should be avoided
what are 3 serious adverse effects of topical steroid use in HSV?
- potentiation of herpetic or fungal keratitis
- cataract formation after prolonged use
- steroid responsive glaucoma
what is the cause of conjunctival hemorrhage? what is the treatment?
- sneezing, coughing, valsalva
- self resolves
what is the cause of pinguecula and pterygium?
excessive UV and wind exposure
