2: Uveitis Flashcards
What is the uvea
Middle-layer of the eye
What is the uvea composed of
- Iris
- Ciliary bodies
- Choroid
What are the two types of uveitis
Anterior
Posterior
What is anterior uveitis
Inflammation in iris or ciliary bodies
What is the most common form of uveitis
Anterior uveitis
What causes 50% of uveitis
Idiopathic
What conditions can cause uveitis
- HLAB27 spondyloarthropathies
- RA
- Sarcoidosis
- Behcet’s
- IBD
- SLE
- TB or Syphillis
What is Behcets disease
Autoimmune disease characterised by inflammation arteries or veins
What is the triad that typically presents in Behcets disease
- Anterior uveitis
- Oral ulcers
- Genital ulcers
Is uveitis unilateral or bilateral
Unilateral, but can affect both eyes
What time-frame does uveitis onset
Hours-days
What are 5 symptoms of anterior uveitis
- Occular hyperaemia
- Dull ocular pain
- Decrease visual acuity
- Photophobia
- Mild watering - no stickiness!
Why does photophobia occur in anterior uveitis
Accommodation involves both cilia and iris - hence causing pain
What are 3 differential diagnosis for anterior uveitis
Keratitis
Conjunctivitis
Acute angle-closure glaucoma
What is first line investigation for anterior uveitis
Slit lamp