I noticed at chinese restaurants....?

Question

that some cashiers have blue LEDs emitting from them. how dangerous are these to ur eyes. i sat across from a blue LED cashier that kept shining me in the eyes for 90 mins.

Answer 1

It's not dangerous

Answer 2

It's not dangerous at all.

In fact, there are a number of alarm clocks on the market that use blue LEDs instead of red or green.

Answer 3

wow all chinese restaurants have that? cool let me go to one here in texas and check out what you're talking about. then i come back on here and not answer the question you never asked.

Answer 4

Not dangerous at all... In fact, many of the bluetooth earpeices use flashing blue LEDs.