Sudden Loss of Vision: Test and Diagnosis

2nd order laboratory parameters – depending on the results of the history, physical examination, etc. – for differential diagnostic workup

• Small blood count
• Inflammatory parameters – CRP (C-reactive protein) or ESR (erythrocyte sedimentation rate).
• Urine status (rapid test for: glucose).
• Fasting blood glucose (fasting glucose), if necessary oral glucose tolerance test (oGTT).