Diagnostic Tests
Learn what to expect from common neuro-ophthalmology diagnostic tests and procedures. Our guides explain how tests are performed, what they measure, and how to prepare.
27 test guides reviewed by board-certified specialists
Related: Conditions these tests diagnose • Clinical findings
Carotid Ultrasound (Doppler)
An ultrasound test to evaluate blood flow in the neck arteries that supply the eyes and brain.
CT Scan (Head/Orbits)
A quick imaging test using X-rays to visualize the brain, orbits, and bony structures.
Fluorescein Angiography
An imaging test using injected dye to evaluate blood flow in the retina and detect leakage or abnormal vessels.
Fundus Photography
Photographs of the back of the eye (retina and optic nerve) to document and monitor eye conditions.
MRI Brain and Orbits
Magnetic resonance imaging of the brain and eye sockets to evaluate the visual pathways, optic nerves, and surrounding structures.
OCT Angiography (OCTA)
Advanced OCT imaging that visualizes blood vessels in the retina and optic nerve without injecting dye.
OCT (Optical Coherence Tomography)
A non-invasive imaging scan that provides detailed cross-sectional images of the retina and optic nerve.