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Vet Science > Ocular System > Flashcards

Ocular System Flashcards

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
Q

Anisocoria

A

Unequal pupil size

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26
Q

Anophthalmos

A

Without development of one or both eyes

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27
Q

Blepharitis

A

Inflammation of eyelid

28
Q

Blepharospasm

A

Contractions of eyelid

29
Q

Cataract

A

Cloudiness or opacity of eye lens

30
Q

Cyclopes

A

Single orbit (mike wazowski)

31
Q

Distichiasis

A

Double row of lashes

32
Q

Conjunctivitis

A

Inflammation of conjunctivia

33
Q

Ectropion

A

Eyelid turning out (common in hounds)

34
Q

Epiphora

A

Tearing or excess tears

35
Q

Entropion

A

Eyelid turning in (common in chows and shar pei)

36
Q

Exophthalmos

A

Abnormal protrusion of eyelid (“bug eyed”)

37
Q

Glaucoma

A

Group of disorders resulting in elevated pressure

38
Q

Hordeolum

A

Stye

39
Q

Iritis

A

Inflammation of eyelid (iris)

40
Q

Keratitis

A

Inflammation of cornea

41
Q

Keratoconjunctivitis

A

Inflammation of cornea and conjunctivia

42
Q

Keratitis sicca

A

Not enough test production because the cornea is inflamed (“dry eye” common in poodles)

43
Q

Microphthalmia

A

Abnormally small eyes

44
Q

Monochromatism

A

Color blindness cannot distinguish colors

45
Q

Nyctalopia

A

Difficulty or no sight at night

46
Q

Nystagmus

A

Constant, involuntary movement of eye (caused by vestibular disease, inner ear infection)

47
Q

Photophobia

A

Intolerance or fear of light

48
Q

Proptosis

A

Displacement of eye from orbit

49
Q

Retinal detachment

A

speration of nervous layer of eye to choroid

50
Q

Sclera injection

A

Dilation of blood vessels into sclera

51
Q

Strabismus

A

Eyes not in a parallel manner (they do not move together, or in a cross eyed or wandering eye)

52
Q

Blepharoplasty

A

Surgical repair of eyelid

53
Q

Enucleation

A

Removal of eyeball

54
Q

Keratectomy

A

Surgical removal of part of the cornea

55
Q

Keratotomy

A

Incision into cornea

56
Q

Tarsorrhaphy

A

Suturing eyelids together

57
Q

Pinna

A

External portion of ear that catches sound waves and brings them to external auditory canal

58
Q

Tympanic membrane

A

Eardrum (depressed external and middle ears)

59
Q

Otoscope

A

Instrument used for otoscopy

60
Q

Aural hematoma

A

Collection or mass of blood on outside ear

61
Q

Otitis

A

Inflammation of ear (externia=outside , media=middle)

62
Q

Vertigo

A

Sense of dizziness

63
Q

Ablation

A

Removal of a part (ear ablation=removal of part of the ear canal)

64
Q

Otoplasty

A

Surgical repair of ear

65
Q

Melbomian glands

A

Mucus membrane lining the eyelids

66
Q

Limbus

A

Junction of cornea and sclera of eye

Vet Science (7 decks)

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