Flies may be annoying, but they sure do make great macro photography subjects. Here we have a close up of a fly adjusting his contact lens.
20 Incredible Eye Macros
Blue Light Harms Fruit Fly Eyes and Brains - Natural Eye Care Blog
Fogged-Up Glasses and Dry Fly Eyes - WSJ
Long Legged Fly Stock Photo - Download Image Now - Fly - Insect
Flies' eyes could enhance robot vision
File:House Fly Eye Closeup (cropped).jpg - Wikipedia
File:Arthropoda montage (eyes).png - Wikipedia
Fly Eyes
Eye of a fly: Researchers reveal secrets of fly vision for rapid