Keyboard stickers with enlarged letters and numbers can be purchased through the Canadian National Institute for the Blind. These stickers make it easier for people with low vision to find keys more quickly.
Trackballs can be used as an alternative to a standard computer mouse. Many individuals find it easier to use a trackball to control a cursor than to use a mouse on a mousepad. Trackball mice can be purchased anywhere standard computer mice are available.
Cirque Smart Cat TouchPad is an alternative mouse device that can be used by people with limited gross or fine motor control in place of the standard computer mouse. SmartCat gives users one-touch zooming and increased vertical and horizontal scrolling flexibility. It can also be customized to work buttons that are preset by the user.
To purchase: http://www.cirque.com/
Price: $59.95 U.S.