Perception Questions With Complete
Solutions
Accommodation Correct Answers ask the client to
focus on a distant object
ask the client to shift gaze to a near object held
about 3 inches from the nose
normal response includes pupillary constriction and
convergence of the axes of the eyes
Amblyopia Correct Answers lazy eye
most common cause of vision loss in children
decreased in vision due to blurred image processed
by brain
brain learns to "only see" blurry in affected eye
if untreated, can cause permanent vision loss
Assessment of eyes Correct Answers Conjunctiva:
should be clear
Sclera: should be white
Lacrimal apparatus: check for excessive tearing,
redness, or swelling
Cornea and lens: should be smooth and clear
Iris: should be flat, with a round regular shape and
even coloration
Eyelids: symmetrical
Pupils: PERRLA
,Astigmatism Correct Answers abnormal curvature
of the cornea
light rays focus on more than one area of the retina
distorts near and distance vision
Auditory Assessment Correct Answers hearing
loss is categorized as conductive, sensorineural, or
mixed conductive and sensorineural
Blindness Correct Answers visual acuity of less
than 20/200 after correction
total blindness= no light perception
significant causes in adults: cataracts, glaucoma,
macular degeneration, diabetic retinopathy
Causes of Meinere's Syndrome Correct Answers
viral and bacterial infections
allergic reactions
biochemical disturbances
vascular disturbances, producing changes in the
microcirculation in the labyrinth
long-term stress may be a contributing factor
family history
Chemical Burns to the eyes Correct Answers
contact with caustic substances
signs: conjunctiva reddened and edematous,
sloughing may be seen, cornea may appear
cloudy/hazy, ulcerations may be evident
, Immediate Care: FLUSH eye with COPIOUS
amounts of fluid
NS preferred
Inner to outer canthus
Prevent contamination of unaffected eye
TYPICAL TREATMENT: Gentamicin ophthalmic
Color Vision Correct Answers test for color vision
involve picking numbers or letter's out of a
complex and colorful picture
the ishihara chart is used for testing and consists
of numbers on the chart
the client is asked to read the number on the chart
each eye is tested separately
sensitive for the diagnosis of red-green blindness
Conductive Hearing Loss Correct Answers any
interruption in transmission of sound from external
auditory meatus to inner ear
most common cause: OBSTRUCTION
Causes: impacted cerumen, edema of the canal
lining, stenosis, neoplasms, perforated tympanic
membrane, disruption/fixation of ossicles of middle
ear
Equal loss of hearing at all frequencies
Benefit from hearing aid
Corneal Abrasion Correct Answers disruption of
superficial epithelium of the cornea
common symptoms: tearing, photophobia