Many times we often get questions like "How did you detect I had a tumour in my brain?" or "Why have you rushed me to Emerg for an MRI or CT scan, to rule out an impending stroke?". "How can an Eye Exam detect a Stroke or tumour in the Brain?" One of the screening tests done during an examination by your Optometrist is the CONFRONTATION VISUAL FIELD TEST. Your Optometrist would compare their peripheral visual field with yours. This simple act can detect missing fields that co