Are optical mice dangerous?

prism

Senior member
Oct 23, 2004
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I've had a Microsoft Blue Optical Mouse for about 3 years, and I was just thinking the other day that whenever I change the batteries in it the optical light always shines at me, and I was wondering if this has any risk of damaging my eyesight if it's a laser or whatnot. Yes, I know I'm paranoid, but better safe than sorry I say :)
 

mercanucaribe

Banned
Oct 20, 2004
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The laser can damage your eye if you actually look at it, but the odds are kind of slim that it will actually go into the tiny hole of your pupil directly. Don't they turn off when you flip them? My mouse has an infrared laser, so I can't tell.
 

prism

Senior member
Oct 23, 2004
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Originally posted by: mercanucaribe
The laser can damage your eye if you actually look at it, but the odds are kind of slim that it will actually go into the tiny hole of your pupil directly. Don't they turn off when you flip them? My mouse has an infrared laser, so I can't tell.

Mine shines its normal brightness for couple seconds after I flip it and then it dims considerably, but if I move it too much it'll go bright again. If it caused damage, would this be something I'd notice instantly?
 

TipsyMcStagger

Senior member
Sep 19, 2003
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Most opticals just have an LED, not an actual laser so I'd say its probably safe.

logitech's new mice to use real lasers, so I don't know about the dangers of those. I have one, i've never seen any red laser like from a laser pointer.
 

mercanucaribe

Banned
Oct 20, 2004
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Originally posted by: Prism
Originally posted by: mercanucaribe
The laser can damage your eye if you actually look at it, but the odds are kind of slim that it will actually go into the tiny hole of your pupil directly. Don't they turn off when you flip them? My mouse has an infrared laser, so I can't tell.

Mine shines its normal brightness for couple seconds after I flip it and then it dims considerably, but if I move it too much it'll go bright again. If it caused damage, would this be something I'd notice instantly?

You'd notice. You'd probably have a dark spot in your eye permanently. If you do have eye damage, don't worry because in the future we'll have eye transplants. You should be worried about getting chemicals in your eyes. For example bleach can cloud your cornea.
 

Howard

Lifer
Oct 14, 1999
47,982
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You now have cancer of the anus.

EDIT: Seriously, the light sources in mice don't produce enough power to damage your eyes.
 

prism

Senior member
Oct 23, 2004
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Originally posted by: Ronstang
Your eyesight is fine but unfortunately you are now sterile.

Awesome, now I don't have to wear condoms when I go to your mom's house.
 

Evadman

Administrator Emeritus<br>Elite Member
Feb 18, 2001
30,990
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Originally posted by: yobarman
I think a shot in the eye every month or two won't blind you.


Just ask my girlfriend.

Win!
 

zanieladie

Diamond Member
Jan 19, 2003
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Glad to know that they probably won't cause any damage. I have an optical mouse that has been shined in my eyes.
 

clickynext

Platinum Member
Dec 24, 2004
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Yeah, the LEDs won't do anything, and since the ones in laser mice aren't even visible I doubt they can do anything.
 

Ronstang

Lifer
Jul 8, 2000
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Originally posted by: Prism
Originally posted by: Ronstang
Your eyesight is fine but unfortunately you are now sterile.

Awesome, now I don't have to wear condoms when I go to your mom's house.


My mom is 67, go for it. I'm sure she will appreciate your 15 seconds of effort.
 

Jeff7

Lifer
Jan 4, 2001
41,596
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Originally posted by: Prism
Originally posted by: mercanucaribe
The laser can damage your eye if you actually look at it, but the odds are kind of slim that it will actually go into the tiny hole of your pupil directly. Don't they turn off when you flip them? My mouse has an infrared laser, so I can't tell.

Mine shines its normal brightness for couple seconds after I flip it and then it dims considerably, but if I move it too much it'll go bright again. If it caused damage, would this be something I'd notice instantly?

If you stare at a laser for a few minutes, then it'll cause permanent damage.

And yes, optical mice have simple red LEDs. You have more to fear from sunlight.
 

eelw

Lifer
Dec 4, 1999
10,192
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Don't worry about the laser mice. They only use a class 1 laser which cannot harm your eyes.