Eye (for each eye)

    0    Normal

   +1   Cells in vitrous &/or anterior chamber only

  +2    Vision 50%

   +3   Vision 30%

  +4   able to see few feet

  +5   Blind

Skin and mucous membrane

 oral ulcer

   0      No ulcers

  +1    1-3 minor ulcers

  +2    1-3 major ulcers or more than 3 minor ulcers

  +3    More than 3 major ulcers

- Genital ulcers

   0     No ulcers  

   +1  1-3 minor ulcers

   +2  1-3 major ulcers or more than 3 minor ulcers

   +3   More than 3 major ulcers

Frequency (episodes /mouth)

   +1   1-2 episodes

    +2   More than 2 episodes

   +3    Continuous (status aphthaticus)   

   +1   Erythema nodosum

   +1   Papulopustular& acne form

Epididymoorchitis

   +1   Involvement of one side

    +2    Involvement of both side

Vascular involvements

    +1   Unilateral limb DVT&/or SVT

  +2    Bilateral venous thrombosis

   +3    Vein thrombosis requiring bed rest

   +4    Thrombosis of superior /inferior vena cava

   +5    Thrombosis of both SVC&IVC or arterial occlusion

Rheumatological involvements

    +1 Arthritis for each joint

     +1  Arthralgia (irrespective of number of joints involved )

Neurological involvements

    +2   Intracranial hypertension

     +4    Multiple sclerosis – like syndrome

     +5  Pyramidal & / or cerebellar involvement

Sum: