Title Walsh and Hoyt's clinical neuro-ophthalmology : the essentials / [editors], Neil R. Miller, MD, Professor of Ophthalmology, Neurology, and Neurosurgery, Frank B. Walsh Professor of Neuro-Ophthalmology, Director, Neuro-Ophthalmology and Orbit Units, Wilmer Eye Institute, Johns Hopkins Hospital, Baltimore, Maryland, Prem S. Subramanian, MD, Associate Professor of Neuro-Ophthalmology, Wilmer Eye Institute, Johns Hopkins Hospital, Baltimore, Maryland, Vivek R. Patel, MD, Wilmer Eye Institute, Johns Hopkins Hospital, Baltimore, Maryland.