Ophthalmology Flashcards
most common causative organism of conjunctivitis
adenovirus
causative organisms of bacterial conjunctivitis in neonates
staph aureus
neisseria gonnorhoeae
chlamydia trachomatis
causative organisms of bacterial conjunctivitis
staph aureus
strep pneumoniae
haemophilus influenzae (especially in children)
chlamydial conjunctivitis management
- topical oxytetracycline
- adults may need oral azithromycin for genital chlamydia infection
does chlamydial conjunctivitis need contact tracing
yes
does scleritis cause photophobia
yes
scleritis management
- refer
- oral NSAIDs
- oral steroids + steroid sparing agents
what do mydriatics do
dilate the pupil
what do miotics do
constrict the pupil
does atropine dilate or constrict pupil
dilate
does tropicamide dilate or constrict pupil
dilate
does cyclopentolate dilate or constrict pupil
dilate
how do mydriatics cause pupil dilation
by blocking parasympathetic supply to iris
miotic example
pilocarpine