This is a violent crime.
Bright lights cause an iris response that protects the eye and is familiar. Lasers cause temporary spot blindness and are bewildering.
Helicopters are, to my knowledge, the most difficult vehicle that humans pilot. They are fundamentally unstable and operate in an environment in which seemingly benign towers are fatal and there is no means of escape. Have you heard of an ejection seat on a helicopter? How about an escape hatch? Parachute? Floatation device? Airbags? Most failures in a helicopter can be fatal, even simple mechanical ones. You basically hope that you don't hit the ground too fast.
Well, since you asked...
http://www.zvezda-npp.ru/engl/k37.html
"K-37 (РПС К37-800) ejection system for helicopters"