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Old 03-11-2011, 07:01 PM #1
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Default Almost hit by a 1W reflection

Just as I was about to finish playing with my DL 1W Spartan, since my rechargeables got empty, I decided to give it another shot.

Bang! I was hit by a reflection from a white surface at a close range of 1 meter.


I wasn't wearing my goggles at the time since I didn't expect any emitting at all or at least a very dim one.

It appears to be that there was a little bit of energy left in the batteries which was enough to generate a burst of a split second laser radiation that blinded me and immediately faded away.

Apparently, these rechargeables (Yellow 750mAh Tenergy) have a characteristic that makes them gain power for a short period after they're weakening. Perhaps some chemist can explain this.

Saw little shadows for a few seconds, but vision seems to be OK now.

Just wanted to share this with you guys and to remind us all of the dangerous toys we're playing with.

I learned my lesson, never operate a 1W at close range without goggles.



Last edited by snoutke; 03-11-2011 at 07:06 PM.
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Old 03-11-2011, 07:18 PM #2
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Default Re: Almost hit by a 1W reflection

That's one reason the FDA requires a delay (among other safety features) after pressing the on button.
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Old 03-11-2011, 07:58 PM #3
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Default Re: Almost hit by a 1W reflection

Your title says "almost hit" but your post says you were hit.

Which is it?
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Old 03-11-2011, 08:09 PM #4
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Default Re: Almost hit by a 1W reflection

Correct.

Since I wasn't actually hit, meaning severely hit, but 'only' got blinded for a split second, I titled it almost.

But it still is a safety incident and therefore I do refer to it seriously.
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Old 03-11-2011, 08:14 PM #5
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Default Re: Almost hit by a 1W reflection

Oooooh.
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Old 03-11-2011, 08:26 PM #6
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Default Re: Almost hit by a 1W reflection

A split second is all it takes with a > Class 3a laser.
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Old 03-11-2011, 08:54 PM #7
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Default Re: Almost hit by a 1W reflection

And that's why I'll keep following my eye's condition in the coming days and if I feel uncomfortable I'll go see an ophthalmologist.
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Old 03-11-2011, 09:39 PM #8
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Default Re: Almost hit by a 1W reflection

I was almost a millionaire once. I only missed by three numbers

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Originally Posted by snoutke View Post
And that's why I'll keep following my eye's condition in the coming days and if I feel uncomfortable I'll go see an ophthalmologist.
By the time your "feel" something, it will be too late to do anything about it

Peace,
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Old 03-12-2011, 03:44 AM #9
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Default Re: Almost hit by a 1W reflection

If you don't mind me asking, what did the beam reflect of ?
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Old 03-12-2011, 03:54 AM #10
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Default Re: Almost hit by a 1W reflection

Quote:
Originally Posted by snoutke View Post
And that's why I'll keep following my eye's condition in the coming days and if I feel uncomfortable I'll go see an ophthalmologist.
Like the person who says "I'll go to the hospital tomorrow if my chest still hurts."

Don't bother, by then it will be too late to do anything.
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Old 03-12-2011, 09:28 AM #11
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Default Re: Almost hit by a 1W reflection

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If you don't mind me asking, what did the beam reflect of ?
A white formica.

And as I said it was a reflection, probably a diffused one, not a direct hit so luckily I didn't really get hurt but still got scared and felt uncomfortable for quite a while.

Mohrenberg and daguin:

I am sharing this to emphasis (again) the danger of these toys and the importance of wearing a protection every time you mess with it.

A person doesn't have to get blind to make a valid statement.

It really was a frightening experience.
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Old 03-12-2011, 12:25 PM #12
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Default Re: Almost hit by a 1W reflection

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Originally Posted by steve001 View Post
That's one reason the FDA requires a delay (among other safety features) after pressing the on button.
a delay after pressing the ON button!

WOW that seams like the most dangerous thing you could have!

think about a gun that fires with a delay, you know someone will look down the barrel and see whats wrong only to get shot in the face

to delay the turning on of a laser after you press the button is dangerous as hell IMO - you expect it to turn on and it doesent, so you investigate only to get blinded - that just seems stupid and thats why I build my own lasers
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Old 03-12-2011, 04:22 PM #13
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Default Re: Almost hit by a 1W reflection

Quote:
Originally Posted by leftkidney View Post
a delay after pressing the ON button!

WOW that seams like the most dangerous thing you could have!
Think for a moment. If the laser the OP has had a delay after pressing the on button he could have reacted and released the button never allowing the laser to operate and avoiding the incident in the first place.
When you are using class 3b or class 4 lasers there's no room for mistakes when your eyes are involved. Damage occurs instantly. That's why all FDA approved lasers must have delays and all lasers of high output should have at least that safety feature.

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think about a gun that fires with a delay, you know someone will look down the barrel and see whats wrong only to get shot in the face
You never look down the barrel of a gun unless you know absolutely it's not loaded.
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Old 03-12-2011, 11:46 PM #14
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Default Re: Almost hit by a 1W reflection

Quote:
Originally Posted by daguin View Post
I was almost a millionaire once. I only missed by three numbers



By the time your "feel" something, it will be too late to do anything about it

Peace,
dave
So.... say I did what he just did and there was eye damage...If I ran straight to the Hospital, what exactly could be done? I'm not aware of anything they could possibly do to stop the damage from becoming permanent.
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Old 03-13-2011, 04:59 AM #15
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Default Re: Almost hit by a 1W reflection

There isn't at this point in time. Some types of laser eye surgery may help but in actual fact it is all but experimental when it comes to this king of injury.
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