Inflammation in the anterior part of the uvea; the uvea involves the iris, ciliary body and choroid

Aetiology

• Involves inflammation and immune cells in the anterior chamber of the eye
• This is usually caused by an autoimmune process but can be due to infection, trauma, ischaemia or malignancy

Autoimmune

• Reiter's
• Ulcerative colitis
• Ankylosing spondylitis
• Sarcoidosis

Infective

• TB
• Syphilis
• Herpes simplex, herpes zoster

Malignancy

• e.g. leukemia

Other

• Idiopathic
• Traumatic
• Secondary to other eye disorders

Clinical features