objective 7: needs of the client with sensory disorders Flashcards
normal vision-light rays are focused correctly on the retina
emmetropia
near sighted
myopia
farsighted
hyperopia
distortion owing to irregular corneal curvature
astigmatism
absence of lens
aphakia
involuntary movement of eyeball
nystagmus
no light perception
total blindness
has some light perception but no usable vision
functional blindness
some useable vision
legal blindness
visual acuity of 20/50 or worse in better eye
partially sighted
what are the types of ocular trauma?
blunt injuries
penetrating injuries
chemical exposure injuries
what are the causes of ocular injuries?
automobile accidents
falls
sports and leisure activities
assaults
work-related situations
usually caused by staph aureus
hordeolum
chronic inflammation of sebaceous glands in eyelid
chalazion
inflammation of the lid margins
blepharitis