Dr. Sguigna earned his medical degree at UT Southwestern, where he also completed a residency in neurology and gained advanced training through a fellowship in multiple sclerosis. Certified by the American Board of Psychiatry and Neurology, he joined the UT Southwestern faculty in 2020.

The author of numerous articles, Dr. Sguigna’s research interests include the advanced diagnostic imaging of neuro-ophthalmological disorders, as well as unraveling the neuro-retinal circuitry in neuroimmunological diseases. He actively works on better ways to distinguish these disorders using non-invasive technology. He uses specialized testing to gain insight into some of the most disabling symptoms for patients with multiple sclerosis and coordinates clinical trials for better treatment of multiple sclerosis patients.