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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
Descement’s Membrane
Basement membrane of corneal endothelial cells Innermost layer of cornea
26
Desemetocele
Exposure of Descemet’s membrane when corneal epithelium and stroma are lost If breached, the eye is perforated
27
Enophthalmos
Recession of the globe deeper into the orbit due to loss of sympathetic tone, loss of periorbital fat, or mass effect
28
Epiphora
Overflow of tears
29
ERG
Electroretinogram Measures electrical potential of photoreceptor cells
30
Exophthalmos
Anterior displacement of the globe from the normal orbital position Globe remains behind eyelids
31
Fibrous tunic
Outer fibrous layer of the eye Sclera and cornea
32
Flare
Protein seen in the aqueous due to vascular leakage in uveitis
33
Foramina
Openings in the bony orbit to allow passage of blood vessels and nerves
34
Fundus
Area seen through the lens Optic nerve, retinal vessels, tapetal and non-tapetal areas
35
Glaucoma
Loss of ganglion cells and optic nerve atrophy Usually due to increased intraocular pressure
36
Globe
Eyeball
37
Gray line
Refers to areas along meibomian gland openings Surgical reference point
38
Hyperemia
Diffuse redness of conjunctiva due to capillary and small vessel congestion
39
Hyphema
RBCs in anterior chamber
40
Hypopyon
Neutrophils in anterior chamber
41
Intraocular pressure
Normally 10-20 mmHg in dogs May be slightly higher in cats and horses
42
Iria
Part of uvea anterior to lens Central opening = pupil Allows light to enter eye Regulates amount of light by dilating or constricting sphincter
43
KPs
Keratic precipitates Aggregates of inflammatory cells - lymphocytes - on corneal endothelium
44
Keratitis
Inflammation of cornea
45
Kerato-
Refers to cornea
46
Keratoconjunctivitis Sicca
KCS Dry eye Insufficient aqueous tear production STT = Schirmer Tear Test <15 mm/min in dogs with clinical signs
47
Lagophthalmos
Lids do not close completely over cornea Prominent eye or neuro deficit
48
Limbus
Junction of cornea and sclera
49
Macroblepharon
Too large eyelid opening for size of globe
50
Meibomian gland
Lipid secreting glands along lid margins
51
Microphthalmia
Congenitally small globe
52
Miosis
Constricted pupil
53
Mydriasis
Dilated pupil
54
Nictitans
Third eyelid (TEL) Nictating membrane (NM)
55
Non-tapetum
Area of choroid inferior to tapetal area Often pigmented
56
Palpebral
Refers to the eyelids
57
Palpebral fissure
Eyelid opening
58
Papillo-
Refers to optic nerve
59
Phace
Refers to lens
60
Phacoemulsification
Surgical breakdown of lens for removal
61
Posterior chamber
From the posterior iris to the anterior face of the lens
62
Posterior segment
Area between the posterior lens capsule and retina Contains vitreous
63
Pre-corneal tear film
3 layers Inner - MUCIN Middle - AQUEOUS Outer - LIPID
64
Inner tear layer
MUCIN secreted by goblet cells Located in palpebral conjunctiva Keeps corneal surface smooth and allows adhesion of aqueous tears to lipophilic cornea
65
Middle tear layer
Aqueous layer secreted by orbital lacrimal gland (superior temporal lid) 70% and gland of nictating membrane (GNM) 30% Located posterior 3rd eyelid
66
Outer tear layer
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
Retina
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
Sclera
Posterior aspect of the fibrous tunic Collagen White of eye
69
Scleritis
Inflammation of sclera
70
Tapetum
Reflective layer of choroid (if present)
71
Uvea
Middle vascular layer of the eye, iris, ciliary body and choroid
72
Uveitis
Inflammation of uvea
73
Anterior uveitis
Inflammation of iris and ciliary body
74
Posterior uveitis
Inflammation of choroid
75
Panuveitis
Inflammation of anterior and poster uvea
76
Vitreal body
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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