Wandering eyes of men only New York must briefly restrain

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Nystagmus \Nys*tag"mus\, n. [NL., fr. Gr. ? drowsiness, fr. ? to nod in sleep, to slumber.] (Med.) A rapid involuntary oscillation of the eyeballs.

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
medical Latin, from Greek nystagmos "nodding, drowsiness," from nystazein "to nod, be sleepy," from PIE *sneud(h)- "to be sleepy."

Wikipedia Word definitions in Wikipedia
Nystagmus is a condition of involuntary (or voluntary, in rare cases) eye movement , acquired in infancy or later in life, that may result in reduced or limited vision . Due to the involuntary movement of the eye, it is often called "dancing eyes". In a ...

WordNet Word definitions in WordNet
n. involuntary movements of the eyeballs; the presence or absence of nystagmus is used to diagnose a variety of neurological and visual disorders

Wiktionary Word definitions in Wiktionary
n. rapid involuntary eye movement, usually lateral