Abstract: Eyeglasses to aid a wearer, especially athletes or participants in sports, to diminish the input from his or her occulo-vestibular reflexes and provide immediate visual feedback concerning alignment while he or she is performing any motor coordinated skill or movement. More particularly, the eyeglasses have one or more substantially straight visible transparent lines on one or both of the eyepieces which appear to be superimposed on the view through the line or lines. Each line is substantially parallel to the horizontal or vertical axis of its eyepiece. This line or lines enable the wearer of the eyeglasses to readily check alignment of the body, head, hands and/or a held object with a viewed object, e.g. a golf ball, a pitched baseball, a bowling pin, a basketball, etc. and aid the wearer to make alignment corrections if necessary.