prior editions, lauded with awards by the Association of American Publishers and the British Medical Association. The updated text reflects diagnostic advances such as optical coherence tomography and features new high-quality images and videos. The text starts with neuro-ophthalmic and funduscopic examinations, visual fields, commonly used ancillary testing methods, and an overview of visual loss. Subsequent chapters detail a wide array of conditions including retinal vascular diseases, optic neuropathies, disc edema, disorders of higher cortical function, abnormal visual perceptions, diplopia, orbital syndromes, cavernous sinus and orbital vascular disorders, nystagmus/other ocular oscillations, and disorders of the eyelid. Final chapters are dedicated to nonorganic neuro-ophthalmic symptoms and signs, diagnosis of headache and facial pain, neurologic and systemic disorders that commonly have neuro-ophthalmologic manifestations, and an approach to management of the visually impaired patient.