Orbital infections

Question 1

What is dacrocytitis/.

Answer 1

Inflammation and infection of the nasolactimal duct.

Question 2

What is the causative organism of dacrocyrtitis?

Answer 2

Staph aureus.

Question 3

Presentation of dacrocyrstitis?

Answer 3

Pain and swelling over inferior/medial aspect of the eye

Question 4

Management of dacrocystitis?

Answer 4

1) Chloramphenicol
2) Oral antibiotics.

Chronic: surgical correction of tear flow.

Question 5

Orbital cellulitis is a potentially sight threatening infection that develops where?

Answer 5

Behind the orbital septum.

Question 6

How does orbital cellulitis present?

Answer 6

Unilateral swollen red eye which results in difficult opening the eye.

Painful eye movements., Proptosi
Reduced vision.

Question 7

Investigation and management of orbital cellulitis/

Answer 7

CT sinus and orbit.

Urgent admission under ENT and opht

Give Ceftriazone, Flucloxacillin and metronidazole.

Question 8

How does peri-orbital cellulitis differ from orbital cellulitis?

Answer 8

Peri-orbital cellulitis occurs in front of the orbital septum.

In peri-orbital cellulitis there is no proptosi, no reduction and vision and no pain on eye movements.