Ocular Emergencies Flashcards Preview

Neurology > Ocular Emergencies > Flashcards

Flashcards in Ocular Emergencies Deck (13):
1

Name two true ocular emergencies

1. Chemical Burn of the Cornea
2. Central Retinal Artery Occlusion

2

Describe Acute Glaucoma. Is it an emergency?

Caused by sudden elevation in Intraocular pressure due to blockage of drainage in anterior chamber; Urgent situation

3

How is Acute glaucoma treated?

1. Pressure lowering drops; Pilocarpine
2. Laser peripheral iridotomy

4

What must an eye exam consist of?

Visual acuity and fields, Pupils, EOMS, Intraocular pressure, Lids, conjunctiva, cornea, lens, sclera and retina

5

What does a Tonopen measure?

Intraocular pressure

6

What does a Schiotz Tonometer measure?

Indentation

7

What is Iritis?

Redness around the limbus and clearing toward the fornices

8

How do you assess anterior chamber depth?

Shine light parallel to iris from temporal side.
Deep chamber: Entire iris will glow
Shallow chamber: Crescent shadow on nasal iris

9

Which patients cant have an eyepatch?

1. Patient wears contact lenses
2. Fingernail injury
3. Possible infection

10

Whats are the key features of Central Retinal Artery Occulusion?

1. Painless loss of vision
2. Preceded by transient unilateral vision loss
3. Cherry red spot

11

When is it safe to dilate the pupil?

1. Globe is intact
2. Intraocular pressure is normal
3. Anterior chamber is deep

12

Describe vitreous and retinal hemorrhage

Vitreous: Cloudy view of retina w/ reddish shimerring streaks.
Retinal: Blood in retinal tissue

13

Discuss Macular Edema

Patients complain of wavy and distorted vision; Caused by trauma, diabetes, macular degeneration