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Wondering if I have Visual Snow

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ksomething		#21	[url]	[-]
Registered User Posts: 5010 03/11/08 2:11 PM	Remove this ad "tiny flashes of light"- does this refer to one of the phenomena in the above pictures (which)? "flickering white objects" - does this refer to one of the phenomena in the above pictures (which)? Come back tomorrow.
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ksomething		#22	[url]	[-]
Registered User Posts: 5010 03/11/08 2:13 PM	Ring scotomass can be associated with visual snow. I'll write you more about this tomorrow (have to go now)
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PeteyImo		#23	[url]	[-]
Registered User Posts: 17 03/11/08 2:18 PM	Flickering white objects is Picture 1, whereas "tiny flashes of light" refers to a different thing where I just see little (mostly light blue) lights appear on my vision, stay there for about 2 seconds then fade away.
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PeteyImo		#24	[url]	[-]
Registered User Posts: 17 03/11/08 2:37 PM	Any possibility picture 1 could simply be this? http://en.wikipedia.org/wiki/Blue_field_entoptic_phenomenon
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ksomething		#25	[url]	[-]
Registered User Posts: 5010 03/12/08 8:01 AM	Did the floaters always have the same shape? Do you see them with both eyes (testing it with one eye covered)?
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ksomething		#26	[url]	[-]
Registered User Posts: 5010 03/12/08 8:09 AM	PeteyImo wrote: Any possibility picture 1 could simply be this? http://en.wikipedia.org/wiki/Blue_field_entoptic_phenomenon Difficult question, I am not sure about that. Please have a look at the table (see http://www.migraine-aura.org/content/e27891/e27265/e42285/e42442/e54887/index_en.html ) where I made a comparison between the blue field entoptic phenomenon and visual snow, you can check the different criteria mentioned there and tell whether your experiences of seeing the phenomenon depicted in pic 1 fits to the characteristics of the former or of the latter.
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ksomething		#27	[url]	[-]
Registered User Posts: 5010 03/12/08 8:10 AM	PeteyImo wrote: ... whereas "tiny flashes of light" refers to a different thing where I just see little (mostly light blue) lights appear on my vision, stay there for about 2 seconds then fade away. Can you illustrate this as well?
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ksomething		#28	[url]	[-]
Registered User Posts: 5010 03/12/08 8:14 AM	Could you do me a favour: The three images showing the contracting ring scotoma depict the visual snow only in the 3rd pic and only in the left half of the visual field, whereas as a persistent visusl symptom you see it from the beginning (pic 1) and in the entire visual field. For their use as "medical illustrations" the current version is misleading, as one thinks, by viewing the set of 3 pictures, that the vs only occurs at the latest stage of the depicted sequence and only in one half-field of vision. So could you add the visual snow in pic 1 and 2 and represent it (as you experience it) in the entire visual field? Thanks in advance!
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ksomething		#29	[url]	[-]
Registered User Posts: 5010 03/12/08 8:28 AM	"Well, the classic aura symptoms I have are: shimmering, pulsating spots over my vision I cannot see out of easily, photophobia, phonophobia, and my speech becomes a little bit slurred... following a migraine, the yellow areas could be anywhere in my vision, will not move and instead will just pulsate and shimmer (e.g. they'll be there for about 3 seconds, then gone for 3, then back again for 3). This generally only lasts for the night following the migraine." You have depicted these shimmering spots which you see during an attack of classic migraine in the set of 2 pictures with the "shimmering thing", right? After such an attack you get a transitory worsening of the visual snow, does this worsening alraedy begin at the time when the "shimmery thing" aura is still visible?
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PeteyImo		#30	[url]	[-]
Registered User Posts: 17 03/12/08 11:20 AM	Remove this ad It is only after the migraine it gets worse, so only after the migraine (e.g. the majority of the head pain has gone, I don't feel sick) has "gone" as such is it worse. This could be however, due to the fact the migraine "status" lasts a little longer (I will not feel fully back to normal until about 48 hours after the migraine has "ended", I will have a general air of malaise and a feel a little bit depressed in this time). I'll get to work on those pictures and have them done before I go off tonight
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ksomething		#31	[url]	[-]
Registered User Posts: 5010 03/12/08 11:42 AM	Did the floaters always have the same shape? Do you see them with both eyes (testing it with one eye covered)?
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ksomething		#32	[url]	[-]
Registered User Posts: 5010 03/12/08 11:43 AM	PeteyImo wrote: I'll get to work on those pictures and have them done before I go off tonight Thanks a lot!
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PeteyImo		#33	[url]	[-]
Registered User Posts: 17 03/14/08 1:15 PM	Sorry about the lateness, couple of things came up to delay it
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ksomething		#34	[url]	[-]
Registered User Posts: 5010 03/14/08 1:15 PM	Hi, did you have time to update the pics? Greetings, K
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PeteyImo		#35	[url]	[-]
Registered User Posts: 17 03/14/08 1:16 PM	the floaters are each specifically in one eye btw - so some I will only see in my left eye, others only in my right.
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ksomething		#36	[url]	[-]
Registered User Posts: 5010 03/14/08 1:24 PM	These are great now! They illustrate 2 of your persistent symptoms, the vs and the (almost) daily recurring contracting ring scotomas. An interesting feature of your observation is that your persistent aura shares the features of 2 types which have been distinguished as repetitive form (i.e. like daily recurring ring scotomas) and continuous form (24/7 vs), and that again shows that probably the 2 types are so close related that they just represent varieties of persistent aura, which is a complication of migraine with aura.
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ksomething		#37	[url]	[-]
Registered User Posts: 5010 03/14/08 1:39 PM	I have added your pics on the "What's new on visual snow" webpage ( http://www.migraine-aura.org/content/e27891/e27265/e42285/e42288/e60771/index_en.html )
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ksomething		#38	[url]	[-]
Registered User Posts: 5010 03/14/08 1:46 PM	If you have time, can you malso make a set of pictures illustrating the effect that you have a worsening of the visual snow intensity after an attack of migraine with aura. Last Edited By: ksomething 03/14/08 2:31 PM. Edited 1 time.
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PeteyImo		#39	[url]	[-]
Registered User Posts: 17 03/14/08 2:24 PM	Well, the vs as in the static does not really worsen after a migraine but the "ring scotoma" becomes shimmering and different shapes as well as occuring more often.
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ksomething		#40	[url]	[-]
Registered User Posts: 5010 03/14/08 2:28 PM	Remove this ad PeteyImo wrote: Well, the vs as in the static does not really worsen after a migraine but the "ring scotoma" becomes shimmering and different shapes as well as occuring more often. I understand. Dou you think you can catch that in an illustration? One could use the first series (1-3) depicting the contracting ring scotomas as it is usually, then - against the same background and basis rate vs - the classic aura - and then another seot of (1-3) which show the "ring scotoma" becomes shimmering and different shapes ? Maybe it's too difficult to show it in a picture, just to ask?
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Wondering if I have Visual Snow