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Y3 SPRING > OPHTHO - VOCABULARY > Flashcards

OPHTHO - VOCABULARY Flashcards

1
Q

Adnexa

A

Tissues surrounding the globe = ocular adnexa

(Adnexa = parts of the body adjoining the organ)

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2
Q

Anterior chamber

A

From inside the cornea to the anterior iris

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3
Q

Anterior segment

A

Contains aqueous humor
Includes anterior and posterior chambers
Inside of cornea to lens

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4
Q

Blepharitis

A

Inflammation of eyelids

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5
Q

Blepharo-

A

Refers to eyelids

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6
Q

Blepharospasm

A

Squinting, blinking, involuntary contraction of eyelids (orbicularis m.); indicates pain

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7
Q

Blepharoedema

A

Swelling of eyelids often seen with adverse vaccine reaction or insect bite

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8
Q

Bony orbit

A

5-7 bones forming protective shell around globe
Frontal
Lacrimal
Palatine
Sphenoid
Zygomatic
Maxilla
Temporal
Ethmoid

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9
Q

Buphthalmos

A

Enlargement of the globe due to glaucoma (increased intraocular pressure)

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10
Q

Canthus

A

Where upper and lower lids meet - medial and lateral

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11
Q

Chemosis

A

Swelling/edema of conjunctiva

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12
Q

Choroid

A

Posterior part of uvea
Vascular layer located between sclera and retina

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13
Q

Ciliary body

A

Part of uvea behind iris
Not normally seen on ocular exam
Produces aqueous

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14
Q

Conjunctiva

A

Mucous membrane lining of eyelids and anterior globe to limbus

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15
Q

Palpebral conjunctiva

A

Conjunctival lining of eyelids

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16
Q

Bulbar conjunctiva

A

Covers globe from limbus to fornix

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17
Q

Conjunctival fornix

A

Cul de sac where palpebral and bulbar conjunctiva meet

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18
Q

Conjunctivitis

A

Inflammation of conjunctiva (CS not DX)

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19
Q

Cor-

A

Refers to pupil

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20
Q

Corectopia

A

Abnormal location of pupil

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21
Q

Dyscoria

A

Abnormal shape to pupil

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22
Q

Cornea

A

Anterior 1/3 of fibrous tunic
Refractile and transparent media

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23
Q

Dacryo-

A

Refers to lacrimal system

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24
Q

Dacryocystitis

A

Inflammation of nasolacrimal system

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25
Q

Descement’s Membrane

A

Basement membrane of corneal endothelial cells
Innermost layer of cornea

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26
Q

Desemetocele

A

Exposure of Descemet’s membrane when corneal epithelium and stroma are lost
If breached, the eye is perforated

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27
Q

Enophthalmos

A

Recession of the globe deeper into the orbit due to loss of sympathetic tone, loss of periorbital fat, or mass effect

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28
Q

Epiphora

A

Overflow of tears

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29
Q

ERG

A

Electroretinogram
Measures electrical potential of photoreceptor cells

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30
Q

Exophthalmos

A

Anterior displacement of the globe from the normal orbital position
Globe remains behind eyelids

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31
Q

Fibrous tunic

A

Outer fibrous layer of the eye
Sclera and cornea

32
Q

Flare

A

Protein seen in the aqueous due to vascular leakage in uveitis

33
Q

Foramina

A

Openings in the bony orbit to allow passage of blood vessels and nerves

34
Q

Fundus

A

Area seen through the lens
Optic nerve, retinal vessels, tapetal and non-tapetal areas

35
Q

Glaucoma

A

Loss of ganglion cells and optic nerve atrophy
Usually due to increased intraocular pressure

36
Q

Globe

A

Eyeball

37
Q

Gray line

A

Refers to areas along meibomian gland openings
Surgical reference point

38
Q

Hyperemia

A

Diffuse redness of conjunctiva due to capillary and small vessel congestion

39
Q

Hyphema

A

RBCs in anterior chamber

40
Q

Hypopyon

A

Neutrophils in anterior chamber

41
Q

Intraocular pressure

A

Normally 10-20 mmHg in dogs
May be slightly higher in cats and horses

42
Q

Iria

A

Part of uvea anterior to lens
Central opening = pupil
Allows light to enter eye
Regulates amount of light by dilating or constricting sphincter

43
Q

KPs

A

Keratic precipitates
Aggregates of inflammatory cells - lymphocytes - on corneal endothelium

44
Q

Keratitis

A

Inflammation of cornea

45
Q

Kerato-

A

Refers to cornea

46
Q

Keratoconjunctivitis Sicca

A

KCS
Dry eye
Insufficient aqueous tear production
STT = Schirmer Tear Test
<15 mm/min in dogs with clinical signs

47
Q

Lagophthalmos

A

Lids do not close completely over cornea
Prominent eye or neuro deficit

48
Q

Limbus

A

Junction of cornea and sclera

49
Q

Macroblepharon

A

Too large eyelid opening for size of globe

50
Q

Meibomian gland

A

Lipid secreting glands along lid margins

51
Q

Microphthalmia

A

Congenitally small globe

52
Q

Miosis

A

Constricted pupil

53
Q

Mydriasis

A

Dilated pupil

54
Q

Nictitans

A

Third eyelid (TEL)
Nictating membrane (NM)

55
Q

Non-tapetum

A

Area of choroid inferior to tapetal area
Often pigmented

56
Q

Palpebral

A

Refers to the eyelids

57
Q

Palpebral fissure

A

Eyelid opening

58
Q

Papillo-

A

Refers to optic nerve

59
Q

Phace

A

Refers to lens

60
Q

Phacoemulsification

A

Surgical breakdown of lens for removal

61
Q

Posterior chamber

A

From the posterior iris to the anterior face of the lens

62
Q

Posterior segment

A

Area between the posterior lens capsule and retina
Contains vitreous

63
Q

Pre-corneal tear film

A

3 layers
Inner - MUCIN
Middle - AQUEOUS
Outer - LIPID

64
Q

Inner tear layer

A

MUCIN secreted by goblet cells
Located in palpebral conjunctiva
Keeps corneal surface smooth and allows adhesion of aqueous tears to lipophilic cornea

65
Q

Middle tear layer

A

Aqueous layer secreted by orbital lacrimal gland (superior temporal lid) 70% and gland of nictating membrane (GNM) 30%
Located posterior 3rd eyelid

66
Q

Outer tear layer

A

Lipid layer secreted by meibomian glands located along the eyelid margins with 30-40 openings seen on each lid margin

Holds aqueous tears against eye
Prevents evaporation and spilling of tears

67
Q

Retina

A

Inner nervous layer of eye
Lines posterior segment of eye
Contains ten layers including the outer photoreceptor cells that convert light energy and the inner nerve fiber layer that converges to form the optic nerve

68
Q

Sclera

A

Posterior aspect of the fibrous tunic
Collagen
White of eye

69
Q

Scleritis

A

Inflammation of sclera

70
Q

Tapetum

A

Reflective layer of choroid (if present)

71
Q

Uvea

A

Middle vascular layer of the eye, iris, ciliary body and choroid

72
Q

Uveitis

A

Inflammation of uvea

73
Q

Anterior uveitis

A

Inflammation of iris and ciliary body

74
Q

Posterior uveitis

A

Inflammation of choroid

75
Q

Panuveitis

A

Inflammation of anterior and poster uvea

76
Q

Vitreal body

A

Clear (water/protein) media filling the area from the posterior aspect of the lens to the retina

Y3 SPRING (40 decks)

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