Final Diagnosis:

• Absolute scotoma secondary to an arteriolar occlusion
• Hypercoagulable state or a local factor

Systemic Workup:

6/2000:

• Sedimentation rate: 3mm/h (Normal: 30 or less mm/h)
• Systemic lab workup (glucose, BUN, creatinine, electrolytes, CBC, PT, PTT): Normal

11/2000:

• ANA: Negative
• RPR: Nonreactive
• RF: <20 IU/ml (Normal: <20 IU/ml)
• Cardiolipin AB (IGG, A, M): 1MPL (Ref 0-9)
• Homocysteine: 7.6 umol/L (Ref: <9.0 umol/L)
• Antithrombin 3: 34 mg/dL (Ref: 19-30mg/dL)