Week 5

Question 1

Eye trauma classifications

Answer 1

Closed (contusion or lamellar laceration) or open (rupture or laceration - penetrating, perforating, or intraocular foreign body)

Question 2

Closed globe injuries

Answer 2

Blunt trauma to eye with corneal-scleral wall intact

Question 3

Contusion (eye trauma)

Answer 3

Closed injury due to blunt trauma, damage can be present at site or distant

Question 4

Lamellar laceration (eye trauma)

Answer 4

Partial thickness wound caused by sharp object

Question 5

Open injury (eye trauma)

Answer 5

Involves a full thickness wound of cornel-scleral wall

Question 6

Rupture (eye trauma)

Answer 6

Full thickness wound caused by blunt force (observed at weakest point of the globe - not always at site of injury)

Question 7

Laceration (eye trauma)

Answer 7

Full thickness injury wound caused by sharp object at site of impact

Question 8

Penetration (eye trauma)

Answer 8

Single full thickness injury usually caused by sharp object without an exit wound

Question 9

Perforation (eye trauma)

Answer 9

Two full thickness wounds originating from entry and exit of missile