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Equine (Poppy) > Ophthalmology > Flashcards

Ophthalmology Flashcards

1
Q

Options for debriding a corneal ulcer (5)

A

Cotton bud
Needle
Back of scalpel
Scissors
Burr

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2
Q

What should NEVER be used to treat a corneal ulcer

A

Steroids

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3
Q

Why should steroids never be used when treating a corneal ulcer? (2 reasons)

A

Predispose to infection
Slow corneal healing

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4
Q

Treatment of a corneal ulcer

A

Debride
Antimicrobials
Flunixin
Atropine?

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5
Q

What corneal pathology is shown in the picture?

A

Corneal ulcer

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6
Q

What corneal pathology is shown in the picture?

A

Scarring

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7
Q

What corneal pathology is shown in the picture?

A

Mineralisation

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8
Q

What corneal pathology is shown in the picture?

A

Oedema

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9
Q

What corneal pathology is shown in the picture?

A

Corneal ulcer and oedema

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10
Q

What corneal pathology is shown in the picture?

A

Corneal abscess/tumour

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11
Q

What corneal pathology is shown in the picture?

A

Severe ulcer and scarring

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12
Q

What corneal pathology is shown in the picture?

A

Abscess

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13
Q

Which uncommon nerve block is this?

A

Lacrimal

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14
Q

Which uncommon nerve block is this?

A

Infratrochlear

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15
Q

Which uncommon nerve block is this?

A

Zygomatic

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16
Q

What does the Seidle test diagnose?

A

Perforation (emergency)

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17
Q

What anterior segment pathology is this?

A

Iris cyst

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18
Q

What anterior segment pathology is this?

A

Synechiae (lens replaced into perforation)

19
Q

What anterior segment pathology is this?

A

Opacity

20
Q

What anterior segment pathology is this?

A

Bulla

21
Q

What anterior segment pathology is this?

A

Melting ulcer

22
Q

What pathology is this?

A

Corneal ulcer

23
Q

What pathology is this?

A

Oedema and tumour

24
Q

What anterior segment pathology is this?

A

Abscess

25
Q

What pathology is this?

A

Anterior lens luxation

26
Q

What pathology is this?

A

Ulceration

27
Q

What pathology is this?

A

Congested vessels

28
Q

What pathology is this?

A

Corneal ulcer about to burst

29
Q

How would you interpret these findings in a comfortable pony that had suffered from a corneal ulcer?

A

Scarring (as the blood vessels are regressing)

30
Q

Is this a normal fundus in a blue eye?

A

Yes, little pigmentation so vessels visible

31
Q

What colour of horse may have a fundus with this appearance?

A

Palamino

32
Q

Is this a normal or abnormal eye ultrasound?

A

Abnormal (precipitates in vitreous, cataract in lens)

33
Q

What pathology is this?

A

Asteroid hyalosis/vitreous floaters (proteinaceous debris, inflammation)

34
Q

What pathology is this?

A

‘Bullet hole’ chorioretinopathy (previous inflammatory response)

35
Q

What can cause this pigment retinopathy?

A

Equine motor neurone disease

36
Q

What does this butterfly scarring lesion around the optic disk indicate?

A

Past uveitis

37
Q

What is this optic disk pathology?

A

Tumour

38
Q

What pathology is this?

A

Retinal detachment

39
Q

What pathology is this?

A

Retinal detachment

40
Q

What pathology is this?

A

Retinal detachment

41
Q

Does retinal detachment affect vision?

A

Yes

42
Q

What ophthalmic disease do fungal hyphae suggest?

A

Fungal keratitis, difficult to treat and manage

43
Q

What are the two types of viral keratitis?

A

Equine (Poppy) (11 decks)

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