What Causes Migraines, Right-sided Facial Pain And Increased Blurry Vision?

Hi I have normal bloods/sugars/urine except for a lipase level of 900. Ultrasound showed normal organs and ducts. I continue to have symptoms of migraine,right sided Hem-facial pain, increased blurred vision and photo sensitivity in R eye. Yesterday I had caramel coloured loose stools then black loose stool this am culminating in quick onset severe upper abdominal pains landing me in the Emergency department of hospital where theabove results where found. Can you tell me why?