Ch 15 Special Senses Flashcards
1
Q
Adjustment of the eye for various distances so that images fall on the retina of the eye
A
accommodation
2
Q
tissues or structures in the body adjacent to or near a related structure
A
adnexa
3
Q
Being loosely joined or connected together to allow motion between the parts
A
articulating
4
Q
Any fluid or semifluid of the body
A
humor
5
Q
Substance that does not allow the passage of light, not transparent
A
opaque
6
Q
Fluid that very closely resembles spinal fluid but found in the cochlea
A
perilymph
7
Q
Light sensitive pigment in the retinal cones and rods that absorbs light and initiates the visual process
A
photopigment
8
Q
Layer or coat of tissue
A
tunic
9
Q
ambly/o
A
dull, dim
10
Q
core/o
A
pupil
11
Q
cycl/o
A
ciliary body of eye
12
Q
dacry/o
A
tear, lacrimal apparatus
13
Q
dacryocyst/o
A
lacrimal sac
14
Q
glauc/o
A
gray
15
Q
goni/o
A
angle
16
Q
phac/o
A
lens
17
Q
presby/o
A
old age
18
Q
scot/o
A
darkness
19
Q
labyrinth
A
inner ear
20
Q
staped/o
A
stapes
21
Q
-acusia, -cusis
A
hearing
22
Q
-tropia
A
turning
23
Q
Severe congenital deficiency in color perception; also called complete color blindness
A
achromatopsia
24
Q
Small, hard tumor developing on the eyelid, somewhat similar to a sebaceous cyst
A
chalazion
25
Medial movement of the two eyeballs so that thy are both directed at the object being viewed
convergence
26
measurement of refractive error
diopter D
27
eversion, or outward turning, of the edge of the lower eyelid
ectropion
28
state of normal vision
emmetropia
29
inversion or inward turning of the edge of the lower eyelid
entropion
30
abnormal overflow of tears
epiphora
31
Protrusion of one or both eyeballs
exophthalmos
32
Localized, circumscribed, inflammatory swelling of one of the several sebaceous glands of the eyelid, generally caused by a bacterial infection; also called a stye
hordeolum
33
visual distortion of objects
metamorphopsia
34
Impaired vision in dim light; also called night blindness
nyctalopia
35
Involuntary eye movements that appear jerky and may reduce vision or be associated with other, more serious conditions that limit vision
nystagmus
36
Edema and hyperemia of the optic disc usually associated with increased intracranial pressure; also called choked disc
papilledema
37
Loss of accommodation of the crystalline lens associated with the aging process
presbyopia
38
Any disorder of retinal blood vessels
retinopathy
39
Chronic, contagious form of conjunctivitis common in the southwestern US that typically leads to blindness
trachoma
40
area within which objects may be seen when the eye is in a fixed position
visual field
41
Complete deafness
anacusis
42
Blocking of sound waves as they pass through the external and middle ear
conduction impairment
43
Inflammation of the inner ear that usually results from an acute febrile process
labyrinthitis
44
Disorder of the labyrinth that leads to progressive loss of hearing
Meniere disease
45
Condition caused by the destruction of hair cells, the organs responsible for hearing, caused by sounds that are "too long, too loud, or too close"
noise-induced hearing loss
46
infection of the external auditory canal
otitis externa
47
impairment of hearing resulting from old age
presbyacusis
48
Tubes that are inserted through the tympanic membrane, commonly to treat chronic otitis media; also called tympanostomy tubes or ventilation tubes
pressure-equalizing PE tubes
49
Test that uses different water temperatures to assess the vestibular portion of the nerve of the inner ear to determine if nerve damage is the cause of vertigo
caloric stimulation test
50
Method of assessing and recording eye movements by measuring the electrical activity of the extraocular muscles
elctronystagmography ENG
51
Measurement of the blood pressure of the retinal vessels
ophthalmodynamometry
52
Evaluation of intraocular pressure by measuring the resistance of the eyeball to indentation by an applied force
tonometry
53
Exam of the angle of the anterior chamber of the eye to determine ocular motility and rotation and diagnose and manage glaucoma
gonioscopy
54
Evaluation of the refractive errors of the eye by projecting a light into the eyes and determining the movement of reflected light rays
retinoscopy
55
radiographic imaging procedures of the nasolacrimal (tear) glands and ducts
dacryocystography
56
Assesses blood vessels and their leakage in and beneath the retina after injection of fluorescein dye.
fluorescein angiography
57
Exercises intended to improve eye movements or visual tracking that use training glasses, prism glasses, or tinted or colored lenses
orthoptic training
58
Cosmetic surgery that removes fatty tissue above and below the eyes that commonly form as a result of the aging process or excessive exposure to the sun
blepharoplasy
59
Formation of an opening between the anterior chamber and the suprachoroidal space for the draining of aqueous humor in glaucoma
cyclodialysis
60
Removal of the eyeball from the orbit
enucleation
61
Removal of the contents of the eye while leaving the sclera and cornea intact
evisceration
62
Surgical opening of a cavity within the mastoid process
mastoid antrotomy
63
Corrective surgery for a deformed or excessively large or small pinna
otoplasty
64
Method of treating cataracts by using ultrasonic waves to disintegrate a cloudy lens, which is then aspirated and removed
phacoemulsification
65
Incision of the cornea for treatment of nearsightedness or astigmatism
radial keratotomy RK
66
Surgical formation of an opening in the sclera
Sclerostomy
