From ABF software:
ABF Magnifying Tools is a set of useful graphics tools for viewing the screen area in different zooms. Each tool has its own unique behavior and usability. All tools supplement each other and allow designers and people with poor eyesight to work with computers better. The set contains:
Cursor Eye - a following cursor tool that moves near the mouse cursor and magnifies the screen area around it. Lens - a skinnable graphic tool for viewing the screen area in different zooms. Magnifier - a magnifying panel that shows the area around the cursor in different zooms. This set of different tools covers any preferences of various users. ABF Magnifying Tools contains all of the essential magnifying utilities in one package.