Approach to Visual Loss (core) Flashcards Preview

Hugh's MD2 Intersession 2 > Approach to Visual Loss (core) > Flashcards

Flashcards in Approach to Visual Loss (core) Deck (47)
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1

Which muscles elevate the eyelids?

Levator palprabrae superioris

Muller's

1

What are some causes of cataracts?

Age-related

Drugs - steroids, amiodarone

Trauma

Systemic disease - DM

Occular diseases - uveitis, myopia

2

What is the most common cause of vision loss in diabetic retinopathy?

Diabetic macular oedema

3

What causes vitreous haemorrhage?

Retinal detachment

Proliferative diabetic retinopathy

Trauma

Retinal tear

6

What is the most common cause of visual loss?

Refractory error

6

How do you perform a retinal massage?

Place pressure with finger on orbit firmly (until pain occurs) and release after 5-15s for 15mins

7

How can you treat raised IOP?

Acetazolamide

Prostaglandin

Osmotic - manittol

Lazer the iris

8

What is a cause of acute loss of vision and pain?

Trauma

Acute glaucoma

8

What's a cause of acute glaucoma?

Raised IOP

10

What can you do in a case of central arterial occlusion?

Occular massage

11

Which side of the visual field is the blind spot on?

Temporal

12

What is a scotoma?

A blind spot

13

What is the central visual axis?

Line that transects the lens and meets the fovea

14

How do cataracts present?

Progressive vision loss

Loss of colour acuity

15

What pathological process causes wet macula degeneration?

New angiogenesis

16

What is RBCs in the anterior chamber called?

Hyphema

17

What is the ICE-TEST for? What does it involve?

Myasthenia gravis

Ice the eye and look for improvement of ptosis

18

What is Keratoconus?

Progressive thinning, weakness, and protrusion of the cornea

19

What is papilloedema?

Swelling of the optic disc

20

What are two causes of hyphema?

Trauma

Neovasculisation

21

What is Fuch's Endothelial Dystrophy?

Swelling of the corneal epithelium due to failure of fluid drainage

21

What can cause diffuse intraretinal haemorrhage?

DM

Central retinal vein occlusion

22

How do you treat wet macular degeneration?

VEGF inhibitors

23

What causes central retinal vein occlusion?

Atherosclerosis

Inflammatory disease

Blood dyscrasias

Ophthalmic

25

Do you get a RAPD with a central artery occlusion?

Yes

26

What causes flash of light (photopsia)?

Retinal traction/detachment (transient)

Migraine (longer)

 

27

What is endophthalmitis?

Injury to multiple structures in the eye

28

What is the mechanism of diabetic macular oedema?

Oedema into the retina with lipids left behind

29

What is light saturation?

The appearance of a constant source of light in one eye compared to the other

30

What causes a cherry red spot?

Central retinal artery occlusion