noun. 1  a. An old French dance resembling the gavotte, usually in 3/4 or 2/2 time beginning with an upbeat. 2  A movement in ballet in which the dancer transfers body weight quickly from foot to foot, usually on the balls of the feet, in a series of small steps.
Nystagmus is a condition where the eyes make repetitive movements. The eyes can jerk exclusively in one direction, or make back and forth movements. With nystagmus, the eye can look jittery and can affect both eyes or just one eye.
Vision Therapy Vancouver. Hypertropia. Hypertropia, commonly called vertical strabismus, wandering eye or wall-eye, is the visual condition in which a person uses only one eye to look at an object while the other eye turns upward. Hypertropia is one of several types of strabismus, a condition resulting in eye turns or deviating eyes.