This method should work day or night. It may be somewhat more effective in the dark. [4] X Research source You can use any standard laser pointer here. In general, the stronger the laser, the more powerful the blinding effect.
Do not point the laser into your eye. You might blind yourself![5] X Trustworthy Source US Occupational Safety and Health Administration U. S. government agency responsible for setting and enforcing workplace safety standards Go to source Consider wearing dark glasses to protect your vision, but do not expect them to keep you completely safe.
