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Old 04-22-2009, 11:12 AM #1
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Default Blind spots?

I was playing with my 80-100mw blueray and got 1-2 very quick flashes on the eye but they were all through fog and it seems I have a blind spot(s), somtimes I can see it somtimes I can't.

I can't right now it seems to disappear and come back somtimes and these arn't the blind spots your born with.

Do think I'm just imagining it and is disappearing and reappearing common with lasers in eyes.


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Old 04-22-2009, 01:41 PM #2
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Default Re: Blind spots?

In any case, I think you better go see an eye doctor.
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Old 04-23-2009, 06:33 AM #3
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Default Re: Blind spots?

Try shinning it in the other eye and see if it looks the same.
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Old 04-23-2009, 09:38 AM #4
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Default Re: Blind spots?

I seem to have such a spot too, but it is looong time ago, i dont think its from a laser

i will check it when i can finaly get a doctor termin...
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Old 04-23-2009, 10:06 AM #5
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Default Re: Blind spots?

Quote:
Originally Posted by Xer0
I seem to have such a spot too, but it is looong time ago, i dont think its from a laser

i will check it when i can finaly get a doctor termin...
I got a appointment with the eye docter next week.

Hope my eyes are ok. :-/
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Old 04-24-2009, 12:23 AM #6
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Default Re: Blind spots?

If you have trouble focusing and such, then it's serious. Blind spots are also bad, but they dissapear after a while because your brain gets used to it.
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Old 04-29-2009, 02:05 PM #7
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Default Re: Blind spots?

No, blind spots do not "disappear" as such, you just stop noticing them.

Blink one eye rapidly, with the other eye open, and then switch eyes. If the light is decent, you will notice that there is a fine web that is briefly visible as your eye blinks; that would be the blood vessels in front of (yes, in front of) the retina. The brain stops paying attention to them very quickly, because they do not change as you look around. Blinking makes them visible for a moment.

The same thing goes for blind spots, whether temporary or not.

A blind spot is stationary with respect to the eye, and as the eye undergoes the natural "image refreshing" operation known as a saccadic movement, the blind spot does not change, so it is ignored in your view of the world, just like those fine blood vessels, or like the huge gap they teach you about when you take driving lessons (except that particular blind spot is blind because there's a huge bit of wiring there instead of "camera" surface).

Blinking and some eye movements can make blind spots visible.

For a similar demonstration, look up at the blue sky for a while, and you will start to see white dots moving around at impressive speed. Those are the white blood vessels moving through your eyes. Wikipedia has a neat article on it, although its title escapes me at the moment. It's probably linked from entoptic phenomena or a similar article.

In any case, after being hit in the eye with a laser, regardless of the duration and intensity, you should seek out a specialist immediately. This is because there are some eye injuries that are only detectable when they are fresh, and some that are treatable only while fresh. And we all hope you will remember goggles the next time... much cheaper than the eye doctor.

P.S.: I hope you made sure nobody else was in the fog with you?
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Old 04-29-2009, 04:27 PM #8
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Default Re: Blind spots?

Quote:
Originally Posted by Blu-Ray_Junkie
Try shinning it in the other eye and see if it looks the same. *
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Old 04-29-2009, 04:34 PM #9
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Default Re: Blind spots?

Does Laser safety, ring a bell? *
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Old 04-29-2009, 06:38 PM #10
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Default Re: Blind spots?

laser safety has arms? :-?
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Old 05-02-2009, 12:05 AM #11
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Default Re: Blind spots?

Got back from the opto turns out I am almost cross eyed and also need reading glasses and that laser burn as the opto called it is a floater, the opto spent an hour and a half inspecting my eye and she is almost sure it's a floater.

But she does know I need reading glasses.

Also told me a floater is a bit of debree floating in your eye blocking out some of your vision and it disappear somtime of you will get used to it.
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Old 05-02-2009, 12:33 AM #12
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Default Re: Blind spots?

Quote:
Originally Posted by suiraM
No, blind spots do not &quot;disappear&quot; as such, you just stop noticing them.
True, depending on severity. I took a shot in the eye from my 300mW red :P I had a very noticeable blind spot for about a week, then it went away. It is still there, however, and I can see it if I actually try to focus on it :P
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Old 05-02-2009, 02:20 AM #13
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Default Re: Blind spots?

ElectroFreak pointed out the &quot;amsler grid&quot; in another post on this board.. Here's a link to it.

That'd be a good starting point if you want a quick diagnosis to see if you're imagining things or not.
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Old 05-02-2009, 02:35 AM #14
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Default Re: Blind spots?

Quote:
Originally Posted by pseudolobster
ElectroFreak pointed out the &quot;amsler grid&quot; in another post on this board.. Here's a link to it.

That'd be a good starting point if you want a quick diagnosis to see if you're imagining things or not.
He knows, he posted on that link as well.
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Old 05-08-2009, 07:14 AM #15
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Default

Quote:
Originally Posted by Eku View Post
Got back from the opto turns out I am almost cross eyed and also need reading glasses and that laser burn as the opto called it is a floater, the opto spent an hour and a half inspecting my eye and she is almost sure it's a floater.

But she does know I need reading glasses.

Also told me a floater is a bit of debree floating in your eye blocking out some of your vision and it disappear somtime of you will get used to it.
Hi Eku,

is the floater due to laser burn? I've got some floaters ever since I can recall, certainly not due to laser. It appears like little darker shadows on everything I can see. I can see light through them but they distort the images.

You can see how it would affect your vision > here <.

Does the optometrist mean your retina is safe?
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