Had a ct scan for a persistent headache a few months ago. it was normal but since that episode of headaches i occasionally see a flicker of light in my left eye, like a speck of glitter. should i be worried about a brain tumor, even with a normal ct?

Content on HealthTap (including answers) should not be used for medical advice, diagnosis, or treatment, and interactions on HealthTap do not create a doctor-patient relationship. Never disregard or delay professional medical advice in person because of anything on HealthTap. Call your doctor or 911 if you think you may have a medical emergency.