ophtho Flashcards
when can infants fixate
6 weeks
when can infants see color
2 months
when can infants converge
3 months
when do infants have face/pattern preference
4 months
newborn visual acuity
20/200
1 yr old visual acuity
20/30
best visual acuity assessment tool
Lea symbols or HOTV letters
pendular nystagmus, intermittent head tilt, head bobbing
spasmus nutans
benign and transient
risk of untreated strabismus
amblyopia by age 6
when should infants have normal eye alignment
4 months
cover test - good eye or bad eye moves
bad eye moves when good eye covered
tearing, excess blinking, redness, enlargement of eye
congenital glaucoma
associations with congenital cataracts
rubella
CMV
galactosemia
bugs in orbital cellulitis
staph aureus, strep pyogenes, peptostreptococcus, bacteroides, H flu
photophobia, tearing, dulled corneal light reflex, irregular red reflex
corneal abrasion
tx: topical antibiotics
optic disc pallor, narrow arterioles, pigment deposition on periphery
retinitis pigmentosa
who needs ROP screening
GA < 32 wks
BW < 1500g
or 1500-2000g with unstable course
screen at 31-34wks CGA or 4-6wks after birth
biggest risk factors for ROP
prematurity, VLBW
does erythromycin ointment prevent chlamydia
NO
tx of neonatal conjunctivitides
gonococcal: IV ceftriaxone, saline lavage
Chlamydia: oral erythromycin
HSV: IV acyclovir
diffuse/multifocal fluorescein uptake in patient who wears contacts
gram neg infection or ulceration of corneal epithelium
refer to ophtho
bugs in bacterial conjunctivitis
S aureus, S epi S pneumo M cat Pseudomonas HiB
conjunctitis otitis syndrome
H flu
tx: amox-clav
tx of viral conjunctivitis
cool compresses and artifical tears
NO steroid drops or antibiotics
hyphema management
bed rest and HOB at 30 degrees
eye shield
