HEAL 132 Module 7: Sensory System

ocul/o, ophthalm/o, opt/o

eye

lacrim/o, dacry/o

tear

blephar/o

eyelid

scler/o

sclera

kerat/o, corne/o

cornea

conjunctiv/o

conjunctiva

-opia, -opsia

vision

vitre/o

vitreous humor

cycl/o

ciliary body

retin/o

retina

ir/o, irid/o

iris

phac/o, phak/o

lens

pinna

outer ears

salping/o

ear canal

cerumin/o

earwax

tympan/o, myring/o

tympanic membrane (eardrum)

malleus, incus, and stapes

hammer, anvil, and stirrup

cochle/o

cochlea

vestibul/o

vestibule or entry way

ambiopia, diplopia

double vision

hyperopia

farsightedness

myopia

nearsightedness

presbyopia

decreased vision due to old age

blepharospasm

involuntary contraction of eyelid

dacryorrhea

excessive tearing

xerophthalmia

dry eyes

ophthalmalgia

pain in eye

hyperacusis

excessively sensitive hearing

hypoacusis

excessively insensitive hearing

presbycusis

hearing loss in old age

tinnitus

ringing in the ear

vertigo

sensation of moving through space while stationary

akinetopsia

inability to perceive motion

amblyopia

poor development in one eye because brain favors other eye

asthenopia

weakness or rapid fatigue of the eyes

hemianopsia

blindness in half of visual field in one or both eyes

scotropia

ability to adjust eyes for night vision

blepharoplegia

paralysis of an eyelid

dacryoadenalgia

pain of the lacrimal (tear) gland, located in the outer, upper eyelid

dacryocystalgia

inflammation of the lacrimal (tear) sac, found in the inner corner of the eye

ophthalmoplegia

paralysis of some or all of the muscles of the eye

astigmatism

defect causing rays from a point to fail to meet in a focal point resulting in a blurred and imperfect image

corneal xerosis

dryness of the cornea

keratalgia

pain in the cornea

miosis

excessive smallness or contraction of the pupil of the eye

mydriasis

excessive or prolonged dilatation of the pupil of the eye

iridalgia

pain in the iris of the eye

cycloplegia

paralysis of the ciliary muscle of the eye

scotoma

spot in the visual field in which vision is absent or deficient

mastoidalgia

pain in the mastoid, the bony prominence behind the ear

otorrhea

ear drainage, commonly associated with infections

ophthalmologist

medical doctor that is an eye specialist

optometrist

specialist in measuring the eye

ophthalmoscope

instrument to view the eye

retinoscope

instrument to view the retina

tonometer

device that measures the tension or pressure of the eye

intraocular pressure

pressure of the eye

lacrimation

formation of tears

blepharoptosis

drooping of the eyelid

exophthalmus

protrusion of the eyes out of the eye socket

nystagmus

involuntary back and forth movement of the eyes

strabismus

eyes deviate while looking at the same object

audiologist

hearing specialist

otolaryngologist

ear and throat specialist (ENT)

otoscope

instrument used to view the ear

pneumatic otoscopy

procedure for examining the ear that uses air

audiometer

instrument that measures hearing

audiogram

record produced by an audiometer

ceruminosis

excessive formation of cerumen

cerumen

earwax

otopyorrhea

discharge of pus from the ear

tympanic perforation

tear or hole in tympanic membrane

ophthomyometer

instrument for measuring the strength of eye muscles

phacoscope

ophthalmic instrument used to examine the eye's crystalline lens and examine changes in curvature

retinoscopy

observation of the retina of the eye especially to determine the state of refraction

nasolacrimal

relating to the lacrimal apparatus and nose

ophthalmic, optic

relating to the eye

optokinetic

relating to eye movement

retinal

referring to retina

binocular

using both eyes simultaneously

iridokinesis

visible, agitated motion or vibration of the iris with eye movement

blepharedema

edema of the eyelids

blepharopyrrhea

pus discharge from the eyelid

ectropion

outward-turning eyelids

entropion

inward-turning eyelids

dacryolith

stone or concretion within lacrimal duct

dacryopyorrhea

pus discharge from the tear duct

esotropia

inward-turning eyes

exotropia

outward-turning eyes

papilledema

swelling of both optic discs due to increased ICP

phacomalacia

softening of the eye lens

phacosclerosis

hardening of the eye lens

scleromalacia

softening and thinning of the sclera

keratomalacia

softening of the cornea

pterygium

surfer’s eye (noncancerous growth on conjunctiva)

salpingoscope

device for examining the nasopharynx and the eustachian tube

otoscopy

visual examination of the auditory canal and the eardrum

audiometry

process of measuring the acuity of hearing

tympanometry

measuring how the eardrum and middle ear respond to sound and pressure changes

otoneurologist

doctor who studies ear and brain