special senses Flashcards
0
Q
-cusis
A
hearing
1
Q
blephar/o
A
eyelid
2
Q
irid/o
A
iris, colored part of eye
3
Q
kerat/o
A
horny, hard, cornea
4
Q
myring/o
A
tympanic membrane, eardrum
5
Q
ophthalm/o
A
eye, vision
6
Q
-opia
A
VISION CONDITION
7
Q
opt/o
A
eye vision
8
Q
ot/o
A
ear, hearing
9
Q
phak/o
A
lens of eye
10
Q
presby/o
A
old age
11
Q
retin/o
A
retina, net
12
Q
scler/o
A
sclera, white of eye, hard
13
Q
trop/o
A
turn, change
14
Q
tympan/o
A
tympanic membrane, eardrum
15
Q
adnexa of the eyes
A
structures outside the eyeballs
16
Q
lacrimal apparatus
A
consist of the structures that produce, store, and remove tears
17
Q
optic
A
pertaining to the eye
18
Q
ocular
A
pertaining to the eye
19
Q
extra ocular
A
outside the eyeball
20
Q
intra ocular
A
within the eyeball
21
Q
sclera
A
known as the white of the eye, maintains the shape of the eye and protects the delicate inner layers of tissue
22
Q
choroid
A
the opaque middle layer of the eyeball that contains many blood vessels and provides the blood for entire eye
23
Q
retina
A
the sensitive innermost layer that lines the posterior segment of the eye
24
anterior segment
makes up the front one-third of the eyeball
25
aqueous humor (fluid)
fills both anterior chambers with watery fluid. helps eye maintain shape and nourishes the intra ocular structures
26
posterior segment
makes up the remaining two-thirds of the eyeball, is lined with the retina and filled with vitreous humor
27
vitreous humor
is a soft, clear, jelly-like mass that contains millions of fine fibers
28
binocular vision
occurs when the muscles off both eyes work together in coordination to make normal depth perception
29
tarsus
the framework within the upper and lower eyelids that provides the necessary stiffness and shape
30
rods and cones
receive images that have passed through the lens of the eye
31
macula
clearly defined light-sensitive area in the center of the retina that is responsible for sharp central vision
32
fovea centrails
is a pit in the middle of the macula
33
optic disk
is a small region in the eye where the nerve endings of the retina enter the optic nerve
34
optic nerve
transmits these nerve impulses from the retina to the brain
35
uvea
pigmented layer of the eye
36
ciliary body
which is located within the choroid is a set of muscles and suspensory ligaments that adjust the thickness of the lens to refine he focus of light rays on the retina
37
iris
colorful circular structure that surrounds the pupil
38
cornea
the transparent outer surface of the eye covering the iris and pupil
39
pupil
is the black circular opening in the center of the iris that permits light to enter the eye
40
lens
is the clear, flexible, covered structure that focuses images on the retina
41
emmetropia
is the normal relationship between the refractive power of the eye and shape of the eye that enables light rays to focus correctly on the retina
42
Ophthalmologist
A physician who specializes in disease and disorders of the eye
43
Optometrist
Dr of optometry that provides primary eye care including accuracy of vision
44
Ptosis
Drooping of the upper eye lid that is usually due to paralysis
45
Ectropion
The eversion ( turning out wards) of the edge of the eyelid
46
Entropion
In the inversion (turn inwards) of the edge of the eyelid
47
Periorbital edema
Is the swelling of the tissues surrounding the eyes
48
Conjunctivitis
Pinkeye - is the inflammation of the conjunctiva
49
Dacryoadenitis
Inflammation of the lacrimal gland caused by bacterial, viral or fungal infection
50
Xerophthalmia
Dry eye - drying of the eye surface
51
Keratitis
Inflammation of the cornea
52
Scleritis
Inflammation of the sclera - infection, chemical injury or autoimmune
53
Anisocoria
The pupil are unequal in size
54
Photopsia
So the presence of what appears to be flashes of light
55
Miosis
The contraction of the pupil in response to light or drugs
56
Mydriasis
Dilation of the pupil - the opposite of miosis
57
Papilledema
Swelling and inflammation of the optic nerve at the point of entrance into the eye through the optic disk
58
Macular degeneration
Is a gradually progressive condition in which the macula at the center of the retina is damaged loss of central vision but not total blindness
59
Photophobia
Means excessive sensitivity to light result in migraines.
60
Diplopia
Double vision
61
Monochromatism
Color blindness
62
Esotropia
Cross eyes
63
Exotropia
Walleye - outward deviation of one eye. Opposite of Esotropia
64
Hyperopia
Far sidedness - light rays focus beyond the retina
65
Myopia
Nearsightedness - light rays focus in front of the retina
66
Scotoma
Blind spot
67
Tonometry
The measurement of intra ocular pressure
68
Tarsorrhaphy
Suturing together of the upper and lower eyelids to protect eye when the lids are paralyzed and cannot closed
69
Enucleation
Removal of the eyeball leaving the eye muscle intact
70
Radial keratotomy
Surgical procedure to treat myopia
71
Phacoemulsification
The use of ultrasonic vibration to shatter and remove the lens clouded by a cataract
72
Auditory
Sense of hearing
73
Acoustic
Sound or hearing
74
Pinna
Outer ear - pinna catches sound waves and transmit
75
Cerumen
Earwax
76
Middle ear
Transmits sounds across the inner ear
77
Tympanic membrane
Eardrum
78
Mastoid process
The temporal bone containing hollow air space that surrounds the middle ear
79
Auditory ossicles
Three small bones located in the middle ear
80
Malleus
Hammer
81
Incus
Anvil
82
Stapes
Stirrup
83
Eustachian tubes
Narrow tubes that lead from the middle earth the nasal cavity and throat
84
Labyrinth
Structures of the inner ear
85
Cochlea
Snail shaped structure in the inner ear - vibrations to nerve pulses
86
Otomycosis
Swimmers ear
87
Vertigo
Sense of whirling, dizziness and loss of balance
88
Meunière disease
Fluid in the inner ear - vertigo
89
Tinnitus
Ringing, buzzing or roaring
90
Fenestration
The surgical procedure in which a new opening is created on the labyrinth to restore lost hearing
91
Glaucoma
Increased intra ocular pressure that causes damage to retinal nerve fibers and optic nerve
92
Amblyopia
Dimness of vision or partial loss of sight, especially in one eye
93
ametropia
any error of refraction in which images do not focus properly on the retina.
94
astigmatism
a condition in which the eye doe not focus properly because of uneven curvatures of the cornea.
95
cataract
the loss of transparency of the lens of the eye.
96
chalazion
a nodule or cyst usually on the upper eyelid caused by obstruction of a sebaceous gland.
97
hemianopia
blindness in one half of the visual field
98
hordeolum
a pus-filled lesion on the eyelid resulting from an infection of the sebaceous gland.
99
myringotomy
a small surgical incision in the eardrum to relieve pressure from excess pus or fluid, or to create an opening for the placement of ear tubes.
100
nyctalopia
a condition in which an individual with normal daytime vision has difficulty seeing at night.
101
nystagmus
an involuntary, constant rhythmic movement of the eyeball.
102
stapedectomy
the surgical removal of the top portion of the stapes bone and the insertion of a prosthetic device that conducts sound vibrations in the inner ear.
103
strabismus
a disorder in which the eyes point in different directions because the eye muscles are unable to focus together.
