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Thank you all for that answer. However, none of you specifically said they commonly actually look at 1 or 2 watt laser beams without safety glasses and still have no vision problems. Please tell me how long you have been looking at laser beams of this power, whether 532nm or 445nm or blue or...

I want to know if safety glasses are needed if you only point a 1 watt 532 nm green laser into the sky? If you are holding the laser and then point it into the sky away from you and you only look at the beam going through the air is there danger of eye damage? how about red or blue 1 or 2 watt...

Hello, I want to know if safety glasses are needed if you only point a 1 watt green laser into the sky? every website talks about direct and indirect exposure but it doesn't specify what type of indirect exposure to the laser light. If you are holding the laser and then point it into the sky...