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Unit 3 Assessment of Eyes, Ears, and Face
Terms in this set (37)
process by which the lens of the eye adjusts the focal length to focus a clear image on the retina
aqueous-containing space in the eye between the posterior (endothelial) cornea and the anterior iris and pupil
transparent nutrient-containing fluid that fills the anterior and posterior chambers of the eye
red eyes resulting from dilation of the vasculature of the conjunctiva
congestion of blood vessels
blood in the anterior chamber, blood filled iris. this is an emergency w/o intervention pt will go blind.
exterior of the eye
one of the body's organs that can be evaluated externally
Cranial nerves evaluated during eye assessment
III- Oculomotor (Most eye movement)
IV- Trochlear (Moves eye)
VI- Abducens (abducts the eye)
3 layers of the eye ball
Outer- sclera & cornea
Middle- vascular layer- iris & ciliary body
Inner- retina, optic nerve, & visual pathway
Outer layer of eye ball
Sclera and Cornea
Middle layer of eye ball (Vascular layer)
Iris & Ciliary Body
Inner layer of eye ball
Retina, Optic Nerve, & Visual Pathway
Pupils equal, round & reactive to light & accommodation.
an instrument for inspecting the retina and other parts of the eye.
a condition of increased pressure within the eyeball, causing gradual loss of sight.
a degenerative condition affecting the central part of the retina (the macula) and resulting in distortion or loss of central vision. It occurs especially in older adults
rapid involuntary movements of the eyes.
is a scratch to the surface of the cornea of the eye. Symptoms include pain, redness, light sensitivity, and a feeling like a foreign body is in the eye. ... Prevention includes the use of eye protection. Treatment is typically with antibiotic ointment.
inflammation of the conjunctiva of the eye.
Acute otitis media
Inflammation of the middle ear in which there is fluid in the middle ear accompanied by signs or symptoms of ear infection: a bulging eardrum usually accompanied by pain; or a perforated eardrum, often with drainage of purulent material (pus).
Infection of the skin covering the outer ear canal that leads in to the ear drum, usually due to bacteria such as streptococcus, staphylococcus, or pseudomonas. Swimmer's ear is usually caused by excessive water exposure. Infection with a fungus may also occur.
a disorder of the inner ear that causes episodes in which you feel as if you're spinning (vertigo), and you have fluctuating hearing loss with a progressive, ultimately permanent loss of hearing, ringing in the ear (tinnitus), and sometimes a feeling of fullness or pressure in your ear.
ringing or buzzing in the ears.
a sensation of whirling and loss of balance, associated particularly with looking down from a great height, or caused by disease affecting the inner ear or the vestibular nerve;
a condition where the nasal cavity is filled with a significant amount of mucus fluid. The condition, commonly known as a runny nose, occurs relatively frequently.
fluid in the ear
Cone of light absent on tympanic membrane
pull gently up on pinna of ear as you begin to insert into ear canal. when looking into the ear. Alterations of structure show evidence of infection, fluid, and loss of function
Conductive hearing loss
occurs when there is a problem conducting sound waves anywhere along the route through the outer ear, tympanic membrane (eardrum), or middle ear (ossicles). This type of hearing loss may occur in conjunction with sensorineural hearing loss (mixed hearing loss) or alone.
sensorineural hearing loss
Hearing loss caused by damage to the inner ear or the nerve from the ear to the brain.
a quick screening test for hearing. It can detect unilateral (one-sided) conductive hearing loss (middle ear hearing loss) and unilateral sensorineural hearing loss (inner ear hearing loss)
place vibrating tuning fork on top pt's head
The Rinne's test
test used to compare air conduction (AC) of sound with bone conduction (BC) of sound.
place tuning fork over mastoid process. ask pt to tell you when tone stops; note this time in seconds. Then move tuning for to ears opening w/o touching. ask pt to tell you when tone stops; note time in seconds
Normal hearing with Rinne's test
pt hears AC tone twice as long as he hears BC tone (AC > BC)
Conductive hearing loss with Rinne's test
pt hears BC tone as long as or longer than he hears AC tone (BC>AC)
Sensorineural hearing loss with Rinne's test
pt hears AC tone longer than he hears BC tone (AC>BC)
Assessment of the Face
Signs of Pain
Assessment of the eyes
Cranial Nerves III, IV, VI
3 Layers of eye ball
Eye problems, foreign body, glaucoma, infection, macular degeneration, dry eye disease, corneal abrasion, conjunctivitis
Assessment of the ears
Acute otitis media
tympanic membrane (cone of light)
eustachian tube (narrowed)
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