Chapter 11 Test eyes

Flashcards for reviewing key vocabulary terms and concepts.

Astigmatism

Inability to focus due to uneven curvature of the cornea

Choked disk (papilledema)

Swelling & inflammation of optic nerve at the point of entrance into the eye through the optic disk

Diagnosing a scratched cornea fluoresein was applied, causing:

Corneal abrasions appear bright green

Nyctalopia

Night blindness

Ametropia

Any error of refraction in which images do not focus properly on the retina

Sclera

Maintains the shape of the eye and protects the inner tissue layers

Acoustic neuroma

Benign brain tumor that develops adjacent to the cranial nerve running from the brain to the inner ear

Impacted cerumen

Accumulation of earwax that forms a solid mass by adhering to the walls of the external auditory canal

Otoplasty

Procedure to repair injured pinna of ear

Intraocular

Within eyeball

Uveitis

Inflammation of the Uvea

Photopsia

Presence of what appear to be flashes of light

Presbycusis

Gradual loss of sensorineural hearing as body ages

Vitrectomy

Removal of vitreous fluid & replaced with a saline solution

Monaural

Involving one ear

Iris

Controls the amount of light that enters eye

Kerat-

Cornea

Tinnitus

The ringing, buzzing, roaring sound in one or both ears

Eustachian tubes

Narrow tubes leading from middle ear to nasal cavity a throat

Periorbital edema

Allergic reaction causes swelling of tissues around eyes

Mydriatic drops

Focus pupil to remain dilated

Infectious myringitis

Contagious inflammation, painful blisters on eardrum

Hemianopia

Blindness in one-half of the visual field

Baro

Pressure

Canthus

The angle where the upper & lower eyelids meet

Cornea

Anterior

Anterior Chamber

Aqueous Fluid

iris

lens

Vitreous fluid

Sclera

Choroid

Retina

Optic Disk

Optic Nerve

Physician who specializes in diagnosing & treating a full spectrum of diseases/disorders of the eyes

Ophthalmologist

Tarsus

Framework w/i upper & lower eyelids that provide necessary stiffness & shape

Retina

Sensitive innermost layer that lines the posterior segment of the eye

Refraction

Ability of lens to bend light rays to focus on retina

Pupil

Black circular opening, center of eye, permits light to enter

Esotropia

Crossed eyes

Blepharitis

Swelling, Eyelid

Scotoma

Blind spot

Orbitotomy

Surgical incision into the orbit of the eye

Cover test

Diagnostic exam to determine how two eyes work together & is used to assess binocular vision

Cerumen

Earwax

Tympanic Membrane

Eardrum

Auditory Ossicles

Malleus

Organ of Corti

Receives vibrations from the cochlear duct & relay them to the auditory nerve fiber

Air Conduction

Process by which sound waves enter the ear through the pinna & then travel down the external auditory canal until they strike the tympanic membrane

Bin

Two

Extra

Outside

Intra

Within

-Ic

Pertaining to

Scler/o

White of the eye, Hard

Ocul

Eye

Opt/o

Vision

Emmetr

Proper measure

Canth

Corner of the eye

Tars

Edge of the eyelid

-Opia

Vision condition

-Metrist

One who measures

-Ar

Pertaining to

Ophthal

Eye

Ophthalmologist

Physician specializing in eye diseases and disorders

Extraocular

Outside the eyeball

Canthus

Angle where upper and lower eyelids meet

Emmetropia

Normal relationship between the refractive power of the eye and the shape of the eye that enables light rays to focus correctly on the retina

Optic

Pertaining to the eye or sight

Tarso-rrhaphy

Suturing of eyelids

Tono-metry

Measurement of intraocular pressure

Hemi-an-opia

Blindness in one-half of the visual field

Ec-trop-ion

Eversion of eyelid edge

En-tropion

Inversion of eyelid edge

Orbit

Eyeball, bony socket

Blephar

Eyelid

Mio

Smaller

Anis/o

Unequal

Dacrylo

Tear

Cyst

Sac of fluid

Ambly

Dim or dull

Ametr

Out of proportion

-Mileusis

Carving

Vitre

Vitreous humor

Irid

Iris

E-

Out of

-Ory

Pertaining to

Audit

Hearing or sense of hearing

Acous

Hearing or sound

Ptosis

Dropping or sagging

Blepharitis

Swelling of the eyelid

Orbitotomy

Surgical incision into the orbit

Enucleation

Removal of eyeball

Audiologist

Specialist in hearing impairment

Auditory

Pertaining to, sense of hearing

Acoustic

Pertaining to, sound or hearing

Tympano

Tympanic membrane

Myring/o

Tympanic membrane