How an optical mouse works and What's inside? - YouTube
Amazon.com: VCOM Wired USB Mouse with 6-Foot Cord & 1200 DPI, Right or Left Hand Use for Work Study Home, 3-Button Ergonomic Optical Mouse Compatible with PC Laptops Desktop Computer Windows Vista
Logitech® B100 Optical USB Mouse - Logitech 910001439 EA - Betty Mills
Pro Fit Optical Mouse with Retractable Cord, USB 2.0, Left/Right Hand Use, Black - Zerbee
Amazon.com: Microsoft Basic Optical Mouse - Black. Comfortable, Right/Left Hand Use, Ergonomic Design, Wired USB Mouse, for PC/Laptop/Desktop : Electronics