Weber Ch. 16 - Assessing Eyes

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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


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