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.
Some people have a condition called heterophoria, which means there is a misalignment of the axis of both eyes. A way to test this is to first use your clinometer to sight an object with both eyes open. Then close the eye not looking at the clinometer scale.Use your one eye to look both at the sight line on the clinometer and the object to line them up. way to test this is to first use your clinometer to sight an object with both eyes open. Then close the eye not looking at the clinometer scale. Use your one eye to look both at the sight line on the clinometer and the object to line them up.