This illusion was new to me.
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This illusion was new to me. Does whichever dot you look at turn more purple?
Pretty neat how clearly this lets you see the reduced sensitivity to blue light in the very centre of your vision.
@Danpiker Aha! It did not work for me on my old 2010-era emachine monitor, but when I dragged it over to my brand-new Asus monitor the effect was immediately noticeable.
Edit to add: On the older monitor, the color of the dots matters a lot more on my angle to the graphic. My first thought was that the top row looked much lighter! But that changed if I lifted myself a bit higher.
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@TrueNorthSpice @itgrrl It can be about your electronics, too. I can see the effect on my new monitor, but not on my old one.
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@Danpiker Oh, wow. It does, and incredibly quickly and intensely, too.
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@crazyeddie @wcbdata I found the effect was visible on one of my dual monitors, a new one, but not on the old one.
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@Danpiker oh that one is cool! I also have never seen this particular one.
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@Danpiker Who installed this eye tracking software on my phone without permission?

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@TrueNorthSpice @itgrrl It can be about your electronics, too. I can see the effect on my new monitor, but not on my old one.
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This illusion was new to me. Does whichever dot you look at turn more purple?
Pretty neat how clearly this lets you see the reduced sensitivity to blue light in the very centre of your vision.
@Danpiker This worked for me. Sometimes two or three dots on the same row would appear purple. If I keep my focus fixed on one dot the others often disappear.
(MacBook Pro monitor.)
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This illusion was new to me. Does whichever dot you look at turn more purple?
Pretty neat how clearly this lets you see the reduced sensitivity to blue light in the very centre of your vision.
@Danpiker I had the same issue as others, of being unable to look Only at one dot. When I stopped trying and just let my vision kind of skate between them though, they All started turning purple, which was cool. (Will mention I have both visual processing junk and non-Blind visual disabilities, but maybe anyone who switched focus often enough would get this?) ... Now I'm trying to figure out how to determine the periodic exposure necessary to maintain purple for all, oh no! ...rolls nerdily off
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This illusion was new to me. Does whichever dot you look at turn more purple?
Pretty neat how clearly this lets you see the reduced sensitivity to blue light in the very centre of your vision.
The longer I look at a particular dot the more the other dots disappear completely into the blue background, although that last remaining dot doesn't turn more purple.
If I look at the whole field I can also see faint green shadow dots that move as I move my eyes, and which also disappear into the background.

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This illusion was new to me. Does whichever dot you look at turn more purple?
Pretty neat how clearly this lets you see the reduced sensitivity to blue light in the very centre of your vision.
@Danpiker works on phone, but not on pc! (night light turned off)
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This illusion was new to me. Does whichever dot you look at turn more purple?
Pretty neat how clearly this lets you see the reduced sensitivity to blue light in the very centre of your vision.
@Danpiker wtf
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This illusion was new to me. Does whichever dot you look at turn more purple?
Pretty neat how clearly this lets you see the reduced sensitivity to blue light in the very centre of your vision.
@Danpiker What is cool that I don't see the effect with my blue-mirrored transition glasses but can see without.
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This illusion was new to me. Does whichever dot you look at turn more purple?
Pretty neat how clearly this lets you see the reduced sensitivity to blue light in the very centre of your vision.
@Danpiker All the dots look purplish to me anyway. Perhaps very very slightly.
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This illusion was new to me. Does whichever dot you look at turn more purple?
Pretty neat how clearly this lets you see the reduced sensitivity to blue light in the very centre of your vision.
@Danpiker Yep, immediately. Do I have a super power?
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@Danpiker For me, the dot that I'm looking at doesn't change, but the remaining dots fade into the background.
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