Teacher shows how reading and bifocal glasses affects light

Pet owner’s playful experiment with laser pointer on black cat

Pet dog chases laser like crazy cat

Woman shines laser at light switch to trick cat into turning off light

Angry pet cat appears to turn eyes into lasers while staring at dog

Woman's face covered in red marks from laser treatment fail

Botched laser treatment leaves Thai man's face pocked with ugly scars

Pet bearded dragon chase laser pointer in living room

Pet bearded dragon chase laser pointer in living room

Serious Persian cat taps paws on floor to catch laser pointer