do devices that cause complete and permanent blindness from a powerful flash exist?

[maxyo]

except nuclear weapons.. also not >5mW lasers ..

i'm writing an essay about present and future non lethal weapons..

Edited September 4, 2012 by maxyo

[John Cuthber]

There are lasers that could drill a hole through your head in a single flash.

They could certainly cause blindness.

[Ben Banana]

Non-lethal... ? I'd rather die.

[maxyo]

There are lasers that could drill a hole through your head in a single flash.

They could certainly cause blindness.

 

i'm sorry,i forgot to mention i'm writing an essay to all present and future alternative portable weapon....

those lasers must be lab ones...