Chapter 6- Sensory System Flashcards
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 (i.e., 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 pupil
scotoma
dark spot in the visual field
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
iridokinesis
the movement of the iris
lacrimation
formation of tears (i.e., 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
dacryolith
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