Eye quiz page – The Emergency Medicine Manual

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Eyes

This is a 10 question quiz about eyes.

The questions are randomly drawn from a bank of 52 questions so will be different each time you take it.

1 / 10

1. Fluorescein uptake on the cornea in a multiple punctate uptake pattern suggests

a) UV light exposure (flash burns)

b) Penetrating eye injury

c) Herpes keratitis

d) Corneal foreign body

Fluorescein uptake on the cornea in a multiple punctate uptake pattern suggests UV light exposure (flash burns).

Fluorescein uptake on the cornea in a multiple punctate uptake pattern suggests UV light exposure (flash burns).

2 / 10

2. Visual acuity is expressed as the distance from which the test was performed and the number on the chart for the lowest line the patient can correctly read

a) More than 2/3 of the letters

b) More than half the letters

c) All the letters

d) All the letters except one

Visual acuity is expressed as the distance from which the test was performed and the number on the chart for the lowest line the patient can correctly read most of the letters.

Visual acuity is expressed as the distance from which the test was performed and the number on the chart for the lowest line the patient can correctly read most of the letters.

3 / 10

3. The role of topical anaesthetics in superficial corneal abrasions is best described by which of the following statements.

a) They can be used for an indefinite period for symptom relief

b) They can be used repeatedly for up to 24 hours for symptom relief

c) They should not be used at all for corneal abrasions as they interfere with corneal epithelium growth.

d) They should only be used when initially evaluating the patient

Although repeated doses of topical anaesthetics may impair corneal epithelial growth in animal studies, there is little evidence of this being clinically significant in humans. It is now generally agreed that topical anaesthetics can be used repeatedly for up to 24 hours for symptomatic relief in minor corneal injuries.

Although repeated doses of topical anaesthetics may impair corneal epithelial growth in animal studies, there is little evidence of this being clinically significant in humans. It is now generally agreed that topical anaesthetics can be used repeatedly for up to 24 hours for symptomatic relief in minor corneal injuries.

4 / 10

4. The ocular US shows

a) Vitreous haemorrhage

b) Lens dislocation

c) Intra-ocular ascaris infection

d) Retinal detachment

The US shows a retinal detachment.

The US shows a retinal detachment.

5 / 10

5. A 47 year-old man with long standing insulin dependent diabetes complains of the sudden onset of painless loss of vision in the right eye one day earlier.
You note normal vision on the left and "light perception only" on the right. There is an afferent pupillary defect on the right and an absent red reflex.
Slit lamp examination is normal.
What is the most likely diagnosis?

a) Central retinal vein occlusion

b) Macular retinal detachment

c) Central retinal artery occlusion

d) Vitreous haemorrhage

6 / 10

6. Ocular globe rupture following blunt trauma most commonly occurs at which one of the following sites?

a) Optic disc

b) Corneoscleral junction

c) Central cornea

d) Macula

The most common sites for globe rupture following blunt trauma are the insertion sites of extraocular muscles and the corneoscleral junction.

The most common sites for globe rupture following blunt trauma are the insertion sites of extraocular muscles and the corneoscleral junction.

7 / 10

7. When moving towards the eye at the start of performing fundoscopy it is best to turn the ophthalmoscope dial

a) clockwise to reduce the diopter setting and focus

b) clockwise to increase the diopter setting and focus

c) anti-clockwise to increase the diopter setting and focus

d) anti-clockwise to reduce the diopter setting and focus

When moving towards the eye at the start of performing fundoscopy it is best to turn the ophthalmoscope dial clockwise to reduce the diopter setting and focus.

When moving towards the eye at the start of performing fundoscopy it is best to turn the ophthalmoscope dial clockwise to reduce the diopter setting and focus.

8 / 10

8. Tropicamide is a

a) Cycloplegic

b) Mydriatic agent

c) Miotic agent

d) Carbonic anhydrase inhibitor

Tropicamide is a mydriatic.

Tropicamide is a mydriatic.

9 / 10

9. A 4 year-old boy presents with 5 days of frontal headache, fever, and chills.
The child has marked swelling and redness to the right periorbital area, which started today.
Examination reveals equal and round, reactive pupils, slight proptosis, and pain with extraocular movement.
What condition most commonly leads to this problem?

a) Facial cellulitis

b) Frontal sinusitis

c) Maxillary sinusitis

d) Ethmoid sinusitis

10 / 10

10. Which of the following mydriatic agents has the longest duration of action?

a) Phenylephrine

b) Atropine

c) Tropicamide

d) Homatropine

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The average score is 53%
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