Eyes and Vision (Chapter 15) Flashcards
inner eye can be easy route for
infection/bacteria
where is the lacrimal gland
upper eye by tail of eye brow
three cranial nerves for extra ocular movement
VI abducens
IV trochlear
III oculomotor
extra ocular muscle funtion
siz cardnial gazes
coronal light reflex
what do the six cardinal gazes measure
parallel tracking
what do the six cardinal gazes observe for
nystagmus
what is a nystagmus
lack of muscle control which results in difficultly tracking
corneal light reflex esotropia
inward turning of the eye
corneal light relflex exotropia
outward turning of the eyes
if you have vision difficulty what cranial nerve is that
II optic
what are we assessing for when asking for past history of ocular problems
recent exam
glasses/contacts
cataracts
opaqueness of lenses, can lead to blindness
overall blurryness
glaucoma
increase in intrauouclar pressure
lose peripheral vision
presobyopia
mid 40s, refractive error that makes it hard for middle aged and older adults to see things up close
FIRMNESS OF THE LENSE
hyperopia
people can’t see up close, occurs at any age
EYES INABILITY TO PROCESS LIGHT
macular degeneration
blindness, legally blind, loses central vision, still has peripheral vision, difficultly distinguishing faces
what causes macular degeneration
diabetes, hypertension, smoking, medication, long use of pesticides
periorbial edema
congestive heart failure
hordeolum
stye
inflammation of gland
blepharitis
infection of hair follicle
ptosis
drooping of eyeling
ptosis is caused by
cranial nerve
bells palsey
stroke
exophtalmos
protrude
thyroid condition
conjuctiva color
clear