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Sensory Disorders
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Phoropter
Simulates different corrective lenses
Ophathalmosope
look through pipil to see the retina and presence of tumors and condition of the optic nerve
Slit Lamp
Beam through the cornea to view the eyes anterior structure to identify abnormal conjunctive cornea iris lens and anterior vitreous
Tonometer
Indirectly measures IOP Intraoccular pressure
Retinal Angiogram
visual of blood vessels in the retina dye is used
ERG = Electoretinogram
records minute electrical impulses given by the retina when light hits it
Otoscopic Exam
Ear exam using light and magnifying lens for the inner ear tympanicmembrane and points beyond the eardrum
Audiometry
pure tone test both conductive and sensory hearing deficits- bone conduction only tests conduction loss
Caloric Test/study
Determines alteration in vestibular acoustic Nerve IV
How is the Caloric test done?
Client seated or supine
Water instilled into external ear canal
affected side tested first
Normal response nystagmus nausea vomiting vertigo feeling of falling
what are contraindications and nursing considerations of Caloric Test?
should not be conducted with a punctured eardrum
should not be conducted with attack of Menieres disease present
-may cause client to vomit keep client NPO or clear liquids
client unsteady gait allowed to lie down until symptoms subside ( usually no more than an hour
Electronystagmography
electrodes are placed near the clients eyes to
-assess for alterations in vestibular system
-caloric test is performed which eye movements are recorded on a graph
What is the MRI used to detect?
Tumors of the VIII cranial nerve (acoustic)
EEG is used for.....
detecting abnormalities of nerve pathways between the VIII cranial nerve and the brain stem
Enucleation
Removal of eye
care of prosthetic eye
Postoperative after eye surgery
Teach client to avoid sneezing
lifting of objects over 10-120 lbs
sudden head movements
prevention of IOP stress of suture line- infection-hemmorrhage
Cochlear implant
surgically implanted device that emits auditory signal stimulating remaining auditory nerve tissue
preoperative and postoperative care for ear surgery
teach client what to expect before and after surgery
client will often awaken during surgery
use strict aseptic technique and gloves to change dressings or instill medications
Nursing diagnosis for person with visual disorder
-risk for imbalanced nutrition
-social isolation
-deficient diversional activity
anxiety fear
risk for injury
Nursing Diagnosis for hearing disorder
Risk for infection
risk for injury
impaired verbal communicaton
chronic low self esteem
pain
blepharitis
inflammation of the eyelid
cleanse eye with mild soap and water
apply warm packs to eye to loosen drainage
trachoma
caused by chamydia trachomatis also conjunctivitits
treat with topical and systemic antibiotics
hordeolum
stye acute inflammation of oil or sweat gland of eyelid
warm compress and topical ointment antibiotic
chalazion
accumulation of lipid material form a chronically obstructed meibomian gland found on eyelid
keratitis
inflammation of conea
caused by bacterial viral fungal infections
causes pain photophobia blurred vision purulent drainage redness of sclera
tx eye drops to dilate pupil
Author
angelies002002
ID
6982
Card Set
Sensory Disorders
Description
Eyes Ears sensory disorders
Updated
2010-02-15T19:24:26Z
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