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Vet Science > Ocular System > Flashcards

Ocular System Flashcards

(66 cards)

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1
Q

Combining forms for eye

A

Opthalm/o, ocul/o, opath/o, opti/o

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2
Q

Orbit

A

Socket

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3
Q

Palperba

A

Eyelid (palpebr/o or blephar/o)

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4
Q

Canthus

A

Angle where upper and lower eyelids meet

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5
Q

Conjunctivia

A

Mucus membrane that lined the underside of each eyelid

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6
Q

Nictitating membrane

A

3rd eyelid

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7
Q

Lacrimation

A

Tear secretion

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8
Q

Nasolacrimal duct

A

Passage that drains tears to nose

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9
Q

Eyeball

A

Sphere with multilayered walls

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10
Q

Sclera

A

White part of eye

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11
Q

Opaque

A

Light cannot pass through

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12
Q

Tapetum lucidum

A

Bright colored tissue layer of choroid

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13
Q

Pupil

A

Circle opening in center of iris

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14
Q

Miosis

A

Making the opening smaller (pupil)

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15
Q

Mydriasis

A

Making the opening bigger (pupil)

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16
Q

Lens

A

Clear capsule behind the iris and pupil (phac/o)

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17
Q

Retina

A

Nervous tissue layer of eyes that receives images (film)

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18
Q

Electroretinogram

A

recording electrical activity of retina (test for blindness)

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19
Q

Flourescein stain

A

Die placed on surface of cornea to test for a corneal injury

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20
Q

Menace response

A

Movement to see if eye closes

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21
Q

Ophthalmoscope

A

Instrument used for ophthalmoscopy

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22
Q

Shirmer tear test

A

Diagnostic test using s paper strip, tests for tear production

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23
Q

Slit lamp

A

Test of eye using narrow beam of light

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24
Q

Tonometry

A

Procedure that measures introacular pressure

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25
Anisocoria
Unequal pupil size
26
Anophthalmos
Without development of one or both eyes
27
Blepharitis
Inflammation of eyelid
28
Blepharospasm
Contractions of eyelid
29
Cataract
Cloudiness or opacity of eye lens
30
Cyclopes
Single orbit (mike wazowski)
31
Distichiasis
Double row of lashes
32
Conjunctivitis
Inflammation of conjunctivia
33
Ectropion
Eyelid turning out (common in hounds)
34
Epiphora
Tearing or excess tears
35
Entropion
Eyelid turning in (common in chows and shar pei)
36
Exophthalmos
Abnormal protrusion of eyelid ("bug eyed")
37
Glaucoma
Group of disorders resulting in elevated pressure
38
Hordeolum
Stye
39
Iritis
Inflammation of eyelid (iris)
40
Keratitis
Inflammation of cornea
41
Keratoconjunctivitis
Inflammation of cornea and conjunctivia
42
Keratitis sicca
Not enough test production because the cornea is inflamed ("dry eye" common in poodles)
43
Microphthalmia
Abnormally small eyes
44
Monochromatism
Color blindness cannot distinguish colors
45
Nyctalopia
Difficulty or no sight at night
46
Nystagmus
Constant, involuntary movement of eye (caused by vestibular disease, inner ear infection)
47
Photophobia
Intolerance or fear of light
48
Proptosis
Displacement of eye from orbit
49
Retinal detachment
speration of nervous layer of eye to choroid
50
Sclera injection
Dilation of blood vessels into sclera
51
Strabismus
Eyes not in a parallel manner (they do not move together, or in a cross eyed or wandering eye)
52
Blepharoplasty
Surgical repair of eyelid
53
Enucleation
Removal of eyeball
54
Keratectomy
Surgical removal of part of the cornea
55
Keratotomy
Incision into cornea
56
Tarsorrhaphy
Suturing eyelids together
57
Pinna
External portion of ear that catches sound waves and brings them to external auditory canal
58
Tympanic membrane
Eardrum (depressed external and middle ears)
59
Otoscope
Instrument used for otoscopy
60
Aural hematoma
Collection or mass of blood on outside ear
61
Otitis
Inflammation of ear (externia=outside , media=middle)
62
Vertigo
Sense of dizziness
63
Ablation
Removal of a part (ear ablation=removal of part of the ear canal)
64
Otoplasty
Surgical repair of ear
65
Melbomian glands
Mucus membrane lining the eyelids
66
Limbus
Junction of cornea and sclera of eye

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