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.
Cataracts may cause a change of color in one or both of the eyes. Your eyes may begin to look yellowish or even light brown in color. This is caused by clumps of protein in the eyes that can cloud your lens. This will then result in the light having a yellow color to it when it comes into your eye.