Last night my friend beamed a laser into my eye, this laser is class 2a,has 630-680nm wavelenght and max output power is below 1mw and red light, it came to my eye
Coated Collimating Collimator Lens for 630nm 650nm 658nm 660nm 680nm Red Laser Diode M9/P0.5 Frame Glass: Amazon.com: Industrial & Scientific
LDX-2410-630: 630nm 400mW Multimode Laser Diode - Get a price quote from RPMC Lasers, Inc.
Laser diode hi-res stock photography and images - Alamy
Biosensors | Free Full-Text | Optical Light Sources and Wavelengths within the Visible and Near-Infrared Range Using Photoacoustic Effects for Biomedical Applications