In the coming Hi-Vision era, a large screen display will be commonly used in the home. When watching such a large display, head movement will increase as well as eye movement. The effect of aging on those movements will also become important as the number of elderly people is increasing. Here, we mainly discuss the effect of aging on peak head and peak eye velocity, and head and eye stability after having focused on the target. Both peak head and eye velocity were maintained in the aged, but their head and eye movement was less stable.