(TERMS) WORDS TO KNOW CHAPTER 4

Accommodation

Process that the eyes engage

in to make adjustments to see

objects at various distances.

Acoustic

Pertaining to the sense of hearing.

Amblyopia

Dull or reduced vision

lazy eye.

Astigmatism

A misshapen curvature of the

cornea that creates a defect in

the refractive powers of the eye

and the light is not focused on the

retina correctly.

Audiogram

Record of hearing.

Auditory

Pertaining to the sense of hearing.

Blepharitis

Inflammation of the hair follicles

along the edges of the eyelids.

Blepharoptosis

Drooping of the upper eyelids.

Cerumen Earwax secreted in the external

auditory canal.

Ceruminolytic

Any substance that is put into the

external auditory canal to softenear wax.

Chalazion

Small

of the sebaceous gland of the

eyelids.

Corneal

Pertaining to the cornea.

Diplopia

Double vision.

Endolymph

Clear fluid contained within the

inner ear.

Entropion

Turning inward of the margin of

the lower eyelid.

Equilibrium

State of balance.

Esotropia

Condition where one or both eyes

turn inward

crossed eyes

Exotropia

turning outward of one or both eyes

Hemianopia Blindness of half of the visual

field.

Hyperopia

Farsightedness.

Intraocular

Pertaining to within the eye.

Iridotomy

A procedure to create a hole in

the iris.

Keratitis

Inflammation of the cornea.

Keratoplasty

Surgical repair of the cornea.

Labyrinth

The inner ear.

Labyrinthectomy

Surgical excision of the labyrinth.

Lacrimal

Pertaining to the tears.

Macular

Degeneration Severe loss of central vision but

the peripheral vision is preserved.

Mastoiditis

Inflammation of the mastoid bones.

Myopia

Nearsightedness.

Myringectomy

Surgical excision of the tympanic

membrane.

Myringoplasty

Surgical repair of the tympanic

membrane.

Myringotomy

Surgical incision of the tympanic

membrane to remove fluid from

the ear.

Nystagmus

Involuntary

movement of the eyeball.

Ocular

Pertaining to the eye.

Ophthalmoscope

Instrument used to exam the

interior of the eye.

Optic

Pertaining to the eye.

Otalgia

Ear pain.

Otic

Pertaining to the ear.

Otitis

Inflammation of the ear.

Otopharyngeal

Pertaining to the ear and the

pharynx.

Otoplasty

Surgical repair of the ear.

Otopyorrhea

Pus in the ear.

Otoscope

Medical instrument used to examine the ear.

Perilymph

Serum fluid of the inner ear.

Photophobia

Intolerance to light.

Presbycusis

Impairment of hearing that occurs with aging.

Presbyopia

Farsightedness.

Pupillary

Pertaining to the pupil.

Retinitis

Inflammation of the retina.

Retinopathy

Any disease of the retina.

Scleritis

Inflammation of the sclera.

Strabismus

Squinting.

Stye

Inflammation of one or more

sebaceous glands of the eyelid. Also called a hordeolum.

Tinnitus

Sensation of ringing in one or

both ears.

Tympanectomy

Surgical excision of the tympanic

membrane.

Tympanic

Pertaining to the tympanic membrane.

Tympanitis

Inflammation of the eardrum.

Xenophthalmia

Inflamed condition of the eye

caused by a foreign body.

Xerophthalmia

Dryness of the conjunctiva