Neuro-Ophthalmology — Flashcards

Flashcard 51: _____ sign is seen in optic nerve hypoplasia

Answer: Double-ring

Flashcard 52: Which type of Anterior Ischemic Optic Neuropathy (AION) is characterized by hyperemic disc edema?

Answer: NAION (Non-arteritic anterior ischemic optic neuropathy)

Extra: NAION presents with hyperemic disc edema. In contrast, AAION (Arteritic anterior ischemic optic neuropathy) typically presents with a chalky white (pale) disc edema and is associated with Giant Cell Arteritis.

Flashcard 53: _____ is an abnormal exaggeration of the rhythmic contraction and dilatation of the pupil, independent of changes in illumination or in fixation of the eyes.

Answer: Hippus

Flashcard 54: Stereopsis is _____ in direct ophthalmoscopy

Answer: absent (present/absent)

Flashcard 55: Anisocoria that increases in bright light and responds to diluted pilocarpine should point you to the diagnosis of _____

Answer: Adie pupil

Flashcard 56: Are pupils involved in Chronic Progressive External Ophthalmoplegia?_____

Answer: No (spared)

Flashcard 57: In _____ optic atrophy, the disc margin is well defined and pale waxy in colour

Answer: Consecutive

Flashcard 58: Arteritic AION is caused by _____

Answer: Giant cell arteritis

Flashcard 59: Marcus Gunn pupil refers to the paradoxical response of pupil to light in presence of a _____

Answer: relative afferent pupillary defect

Flashcard 60: In patients with _____, a reversal of the OKN response may occur.

Answer: congenital motor nystagmus