Weber Ch. 16 - Assessing Eyes
A client with 20/200 vision has to be ___ feet away from an object to see it when others can see the same object from ____ feet.
20 200 2nd number indicates what normal eye can see
How far does the client stand away from Snellen Chart
20 feet
A client is considered legally blind when vision in the better eye WITH corrective lenses is ______ or less
20/200
open-angle glaucoma
A condition in which pressure is elevated in the eye because of obstruction of the outflow of aqueous humor.
Which test result should a nurse recognize as indicating normal peripheral vision for a client using the confrontation test?
Client and the examiner see the examiners finger at the same time
______ is a thin mucous membrane that lines the inner eyelid and also covers the sclera
Conjunctiva
Why is it important to ask the client regarding discharge or drainage from the eyes?
Discharge is associated with inflammation or infection
A client is diagnosed with glaucoma. When performing the ophthalmic exam, what changes should the nurse anticipate finding?
Enlarged physiologic cup that occupies more than half of disc's diameter
What part of the eye receives and transmits visual stimuli to the brain for processing?
Retina
exophthalmos
abnormal protrusion of the eyeball
Exophthalmos
abnormal protrusion of the eyeball bulging Symptom of Graves Hyperthyroidism
Scotomas
blind or partially blind areas in the visual field
hemianopia
blindness in one-half of the visual field
Double vision without any head injuries may be a sign of what?
brain tumor
Direct pupillary response
constriction of the pupil when the light is shown in the eye
strabismus
crossed eyes
diplopia
double vision
presbyopia
impaired vision as a result of aging decreased accommodation. Impaired near vision
Glaucoma
increased intraocular pressure results in damage to the retina and optic nerve with loss of vision
Episcleritis
inflammation of the outermost layers of the sclera
ophthalmoscope
instrument used to examine the interior of the eye
esotropia
inward turning of the eye
entropion
inward turning of the rim of the eyelid
A client frequently experiences dry, irritated eyes. These findings are consistent with a problem in what part of the eye?
lacrimal apparatus
The ____________ protects and lubricates the cornea and the conjunctiva by producing and draining tears
lacrimal apparatus
he border between the cornea and the sclera is the _____
limbus
myopia
nearsightedness (impaired far vision)
Blunt-force trauma often results in fracture of the ____
orbit
exotropia
outward turning of the eye
ectropion
outward turning of the rim of the eyelid
macular degeneration
progressive damage to the macula of the retina causes deterioration in the center of the retina, which leads to a gradual loss of central vision
Consensual pupillary response
refers to constriction of both pupils in response to light entering left or right pupil only
intracranial pressure
the amount of pressure inside the skull
lacrimal apparatus
the structures that produce, store, and remove tears
Pterygium
thin tissue growing into the cornea from the conjunctiva, usually caused from sun exposure
(T/F) Seeing semi-clear spots floating across vision is common in people over 40 years old
true
retinal detachment
two layers of the retina separate from each other
arcus senilis
white arc or circle around the limbus of the iris that is common with aging
Pinguecula
yellowish mass on the conjunctiva that may be related to exposure to ultraviolet light, dry climates, and dust