Uveal Tract

Question 1

What is uveal

Answer 1

is the middle layer of the eye, divided into the anterior uvea (iris, ciliary body) and posterior uvea (choroid).

The uvea is sandwiched between an outer layer (sclera) and an inner layer (retina).

Question 2

Classification of uveitis

Answer 2

1-anterior :anterior chamber is primary
2-Intermediate: vitreous is the primary site includes ( pars planitis ).
3-Posterior: Retina and/or choroid.
4-Panuveitis: all uveal structures are involved.

Question 3

Anterior uveitis

Answer 3

Anterior uveitis is inflammation involving of the anterior uveal tract ( iris and anterior part of the (Ciliary body) (pars plicata ). It’s the most common form of uveitis.

Question 4

Systemic association of anterior uveitis

Answer 4

Idiopathic
Infection
Masquerade
Non- infectious

Question 5

Systemic association of anterior uveitis Idiopathic

Answer 5

No association diseases 50%

Question 6

Systemic association of anterior uveitis Infectious

Answer 6

Varicella zoster
Tuberculosis
Syphilis
Lyme disease
Miscellaneouse systemic viral infection
Masquerade
Neoplastic e.g. lymphoma, melanoma,

Question 7

Systemic association of anterior uveitis Non- infectious

Answer 7

HAL-B27 positive in 20% of AAU Idiopathic arthritis (Juvenile).
Sarcoidosis
Bahcet disease
SLE
MS (multiple sclerosis). Drug-induced

Question 8

Clinical features anterior uveaitis

Answer 8

Symptoms in AAU include rapid onset of unilateral pain, photophabia, redness and
Watery discharge.
Visual acuity depend on severity and presence of complications, its usually mildly reduce in AAU
Ciliary injection its circumcorneal conjunctival hyperaemia with purplish hue colour Due to involved of deeper blood vessels. Typically seen in acute onset of AU.
Cilairy injection is absent is some form of CAU.
Miosis due to pupillary sphincter spasm predisposes to the formation of posterior synechiae.