hlth 354 ch 6

sensory system

ocul/o, ophthalm/o, opt/o

eye

lacrim/o, dacry/o

tear

-opia, -opsia

vision condition

blephar/o

eyelid

corne/o, kerat/o

cornea

conjunctiv/o

conjunctiva

scler/s

sclera (the white of the eye)

vitre/o

vitreous liquid (also called vitreous humor)

cycl/o

ciliary body

retin/o

retina

ir/o, irid/o

iris

phac/o, phak/o

lens

aur/o, ot/o

ear

acous/o, audi/o

sound, hearing

- acusis

hearing condition

lympn/o, myring/o

eardrum

cerumin/o

ear wax

salping/o

eustachian tube

mastoid/o

mastoid process

labyrinth/o

labyrinth

vestibul/o

vestibule

cochle/o

cochlea

akinetopsia

inability to see objects in motion

ambiopia

double vision

amblyopia

decreased vision; when It occurs in one eye, it is referred to as “lazy eye”

asthenopia

weak vision (ex. eye strain)

diplopia

double vision

hemianopsia

blindness in half the visual field

hyperopia

farsightedness

myopia

nearsightedness

presbyopia

decreased vision caused by old age

scotopia

adjustment of the eye to seeing in darkness

blepharoplegia

paralysis of the eyelid

blepharospasm

involuntary contraction of an eyelid

dacryoadenalgia

pain in the tear GLAND

dacryocystalgia

pain in the tear SAC

dacryohemorrhea

blood in the tears

dacryorrhea

excessive tearing

ophthalmalgia

eye pain

ophthalmoplegia

eye paralysis

xerophthalmia

dry eyes

astigmatism

vision problem caused by the fact that light rays entering the eye aren't focused on a single point in the back of the eye

corneal xerosis

dryness of the cornea

keratalgia

pain in the cornea

cycloplegia

paralysis of the ciliary body

iridalgia

pain in the iris

miosis

abnormal contraction of the pupil

mydriasis

abnormal dilation of the pupil

scotoma

dark spot in the field of vision

hyperacusis

excessively SENSITIVE hearing

hypoacusis

excessively iNSENSITIVE hearing

osteoacusis

hearing through bone

presbycusis

loss of hearing in old age

mastoidalgia

pain in the mastoid

otalgia

ear pain

otodynia

ear pain

otorrhea

discharge from the ear

tinnitus

ringing in the ears

vertigo

sensation of moving through space (while stationary)

ophthalmoscope

instrument for looking at the eye

optomyometer

device used to determine the strength of eye muscles

phacoscope

instrument for looking at the lens

retinoscope

instrument for looking at the retina

retinoscopy

procedure for looking at the retina

tonometer

instrument for measuring tension or pressure in the eye (intraocular pressure)

binocular

pertaining to both eyes

iriokinesis

the movement of the iris

lacrimation

formation of tears (ex. crying)

nasolacrimal

pertaining to the nose and tear system

ophthalmic

pertaining to the eye

ophthalmologist

eye specialist

optic

pertaining to the eye

optokinetic

pertaining to eye movement

optometrist

specialist in measuring the eye

retinal

pertaining to the retina

blepharedema

eyelid swelling

blepharoptosis

drooping eyelid

blepharopyorrhea

discharge of pus from the eyelid

dacryolithiasis

hard formation (stone) in the tear system

dacryopyorrhea

discharge of pus in tears

ectropion

OUTWARD turning of the eyelid, AWAY FROM the eye

entropion

INWARD turning of the eyelid, TOWARD the eye

exophthalmus

protrusion of the eyes out of the eye socket

nystagmus

involuntary back and forth movement of the eyes

strabismus

condition where the eyes deviate when looking at the same object

esotropia

INWARD turning of the eye, TOWARD the nose

exotropia

OUTWARD turning of the eye, AWAY FROM the nose

keratomalacia

abnormal softening of the CORNEA

ptergium

winglike growth of conjunctival tissue extending to the cornea

scleromalacia

abnormal softening of the SCLERA

papilledema

swelling of the optic nerve where it enters the retina

phacomalacia

abnormal SOFTENING of the lens

phacosclerosis

abnormal HARDENING of the lens

audiogram

record produced by an audiometer

audiometer

instrument for measuring hearing

audiometry

procedure for measuring hearing

otoscope

instrument for looking in the ear

otoscope

procedure for examining the ear

pneumaticotoscopy

procedure for examining the ear using air

salpingoscope

instrument for examining the Eustachian tubes