Can I Zoom In On My Screen In Mac OS X?
Yes, with Mac OS X Snow Leopard it's easy to zoom in and zoom out in any application.
First, turn on zoom by pressing Option-Command-8 or fn Command-F11.
Then, zoom in by pressing Option-Command-Plus or zoom out with Option-Command-Minus. You can also zoom in by holding Control and dragging two fingers up. Zoom out by holding Control and dragging two fingers down.