Ophthalmology

Question 1

Options for debriding a corneal ulcer (5)

Answer 1

Cotton bud
Needle
Back of scalpel
Scissors
Burr

Question 2

What should NEVER be used to treat a corneal ulcer

Answer 2

Steroids

Question 3

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

Answer 3

Predispose to infection
Slow corneal healing

Question 4

Treatment of a corneal ulcer

Answer 4

Debride
Antimicrobials
Flunixin
Atropine?

Question 5

What corneal pathology is shown in the picture?

Answer 5

Corneal ulcer

Question 6

What corneal pathology is shown in the picture?

Answer 6

Scarring

Question 7

What corneal pathology is shown in the picture?

Answer 7

Mineralisation

Question 8

What corneal pathology is shown in the picture?

Answer 8

Oedema

Question 9

What corneal pathology is shown in the picture?

Answer 9

Corneal ulcer and oedema

Question 10

What corneal pathology is shown in the picture?

Answer 10

Corneal abscess/tumour

Question 11

What corneal pathology is shown in the picture?

Answer 11

Severe ulcer and scarring

Question 12

What corneal pathology is shown in the picture?

Answer 12

Abscess

Question 13

Which uncommon nerve block is this?

Answer 13

Lacrimal

Question 14

Which uncommon nerve block is this?

Answer 14

Infratrochlear

Question 15

Which uncommon nerve block is this?

Answer 15

Zygomatic

Question 16

What does the Seidle test diagnose?

Answer 16

Perforation (emergency)

Question 17

What anterior segment pathology is this?

Answer 17

Iris cyst

Question 18

What anterior segment pathology is this?

Answer 18

Synechiae (lens replaced into perforation)

Question 19

What anterior segment pathology is this?

Answer 19

Opacity

Question 20

What anterior segment pathology is this?

Answer 20

Bulla

Question 21

What anterior segment pathology is this?

Answer 21

Melting ulcer

Question 22

What pathology is this?

Answer 22

Corneal ulcer

Question 23

What pathology is this?

Answer 23

Oedema and tumour

Question 24

What anterior segment pathology is this?

Answer 24

Abscess

Question 25

What pathology is this?

Answer 25

Anterior lens luxation

Question 26

What pathology is this?

Answer 26

Ulceration

Question 27

What pathology is this?

Answer 27

Congested vessels

Question 28

What pathology is this?

Answer 28

Corneal ulcer about to burst

Question 29

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

Answer 29

Scarring (as the blood vessels are regressing)

Question 30

Is this a normal fundus in a blue eye?

Answer 30

Yes, little pigmentation so vessels visible

Question 31

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

Answer 31

Palamino

Question 32

Is this a normal or abnormal eye ultrasound?

Answer 32

Abnormal (precipitates in vitreous, cataract in lens)

Question 33

What pathology is this?

Answer 33

Asteroid hyalosis/vitreous floaters (proteinaceous debris, inflammation)

Question 34

What pathology is this?

Answer 34

'Bullet hole' chorioretinopathy (previous inflammatory response)

Question 35

What can cause this pigment retinopathy?

Answer 35

Equine motor neurone disease

Question 36

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

Answer 36

Past uveitis

Question 37

What is this optic disk pathology?

Answer 37

Tumour

Question 38

What pathology is this?

Answer 38

Retinal detachment

Question 39

What pathology is this?

Answer 39

Retinal detachment

Question 40

What pathology is this?

Answer 40

Retinal detachment

Question 41

Does retinal detachment affect vision?

Answer 41

Yes

Question 42

What ophthalmic disease do fungal hyphae suggest?

Answer 42

Fungal keratitis, difficult to treat and manage

Question 43

What are the two types of viral keratitis?

Answer 43