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Path 2 > Special Senses > Flashcards

Special Senses Flashcards

1
Q

What is the name of this condition and what is it?

A

Chalazion which is granulomatous inflammation directed against the meibomian gland.

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2
Q

What are 3 components of corneal edema?

A
  1. Injury to epithelium
  2. Injury to endothelium
  3. Keratitis
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3
Q

What is happening to this eye?

A

diffuse corneal edema

the cornea is not transparent and you cannot see the iris .

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4
Q

What is corneal edema called if it is because of ENDOthelial injury?

A

Corneal Endothelial dystrophy

can be inheritied , old age change, it is bilaterally symmetrical to diffuse opacity, degenreation of unknow cause

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5
Q

What is a virus that causes diffuse corneal edema?

A

Canine Adenovirus 1

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6
Q

What is going on with this dog? What is it a disease of?

A

Cataracts, most common disease of the lens, seen in response to injury of the lens. Opacity is just in the lens you can still see the iris .

Swelling and degeneration of lenticular fibers-> opacity.

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7
Q

What is retinal detachment?

A

Seperation between the neural and pigmented layers

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8
Q

Two types of retinal detachment?

A
  1. Exudative- exudate accumulates in retinal space. Hemorrhage, neoplasm, choroiditis, retinitis
  2. Tractional fibrous adhesions between cilary bodies . Cyclitic membrane usually due to inflammation
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9
Q

What is going on in this picture?

A

Glaucoma -IOP

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10
Q

What is primary glaucoma?

A

Goniodysgenesis- malformation of trabecular meshwork , inheritied in dogs

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11
Q

Causes of secondary glaucoma?

A

Anything that obstructs the pupil or trabecular network, inflammation , lens, luxation. posterior synechia, peripheral anterior syncheia

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12
Q

What is posterior synechia?

A

When the iris sticks to the lens

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13
Q

What is peripheral anterior synechia?

A

Iris sticks to cornea

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14
Q

What is this condition ?

A

Chemosis which is severe conjunctival edema

-hyperemia, swelling, edema, discharge

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15
Q

True or False: Hyperemia indicates conjunctivitis?

A

False not alone it doesnt

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16
Q

3 causes of conjunctivitis in cats?

A

Herpes, Chlamydia, mycoplasma felis

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17
Q

What is the name of this condition ? What breed is most susceptible ?

A

Nodular granulomatous episcleritis, collies

Immune mediated pahtogenesis

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18
Q

What is going on with this eye? What caused this to happen?

A

descemetocele due to proliferation of cornea and desments membraine coming through. Fungal infection in corneal stroma

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19
Q

This is corneal proliferation, however 3 things are happening to this eye what are they?

A

staphyloma

neovascularization

corneal edema

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20
Q

Drying and desiccating keratitis is?

A

Keratoconjnctivitis Sicca- dry eye

21
Q

German shepards are prone to this type of keratitis?

A

Pannus - chronic superficial keratitis only involves cornea

22
Q

Cause of bacterial keratitis in cows?

A

Moraxella Bovis

23
Q

What is going on with this cat?

A

Corneal endothelial dystrophy

24
Q

What is wrong with this eye and what species is this normally seen in?

A

Corneal sequestrum which is seen in cats from an area of necrosis

25
Q

Anterior uveitis?

A

iris and ciliary body

26
Q

Posterior Uveitis?

A

Chroid

27
Q

Chrioretinitis?

A

Chroid and retina

28
Q

Endopthalmitis

A

uvea , retina, vitreous

29
Q

Panopthalmitis

A

cornea and sclera?

30
Q

Mdx is ulcerative keratitis and hypopyon which portion of the eye is effected?

A

Exudate is settling in the anterior chamber so anterior uveitis

31
Q

Iris Bombe in a cat?

A

Pressure at the back of the eye pushes the iris forward

32
Q

What does the term hyphema mean?

A

Blood in the anterior chamber - uvea or retina can result in glaucoma

33
Q

What is the name of this condition and what is the etiology?

A

Cyclopia . synopthalmus

Incomplete separation of orbits during angiogenesis

Ingestion of veratum californicum on day 14 of gestation

34
Q

Name of this condition and etiology in a CALF not Cat :)

A

Microphthalmia and et BVD

35
Q

Define Ankyloblephraon

A

adhesion of the ciliary edges of the eye together

36
Q

Distichia

A

Eyelash arising from abnormal location on the eyelid or grows in an abrnormal direction

37
Q

Coloboma

A

notch like defects of the optic disc, retina and uvea as a result of defective closure of the embyonic fissure of the eye.

Collie eye anomaly

38
Q

What type of neoplasia is this ?

Benign or Malignant?

Glaucoma?

Metasitis high or Low?

A

Feline diffuse iris melanoma

malignant

low metastisis

yes to glaucoma

39
Q

What is the most common metastasis involving the eyes of cats?

A

Uveal lymphoma

40
Q

Intraocular sarcomas are unique to what speices?

A

Cats, cows, common after trauma, malignant, optic nerve

41
Q

What can cause corneal pigmentation in cats?

A

Porphyrins from tear film

response to injury- keatitis

derived from uvea- staphyloma

42
Q

Indications of retinal degeneration and atrophy?

A

Decreased vascularity

Optic disc atrophy

Changes in tapetal reflection

43
Q

Causes of retinal atrophy and degeneration?

A

senile change

inherited metabolic defect of photoreceptors, toxicity, metabolic ,increased IOP, retinal detachment

44
Q

Blepharitis

A

Inflammation of the eyelids

45
Q

Causes of uveitis in horse and cat due to hypersensitivity?

A

Feline idiopathic lymphoplasmacytic uveitis

Equine recurrent uveitis

46
Q

Retinal lesions are usually caused from?

A

Optic nerve hypolasia missing optic nerve

47
Q

Otitis interna consequences?

A

Meningitis

Vestibular disease

Sensory hair cell loss- hearing impairment

48
Q

Stye

A

common name for bacterial infection of hair follicle or meibomian gland

49
Q

Retinitis

A

usually an extension from chroiditis o encephalitis, neurotropic viral infections, visceral larval migrans,

Path 2 (5 decks)

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