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The everyday blog of Richard Bartle.

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2:17pm on Thursday, 23rd August, 2012:

Silent Migraines

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About a decade ago, I was driving to a friend's house and suddenly got this zig-zap pattern across my field of vision. It started at the bottom and moved up, lasting about 20 minutes. It was a little alarming, although apparently not as alarming to my wife as the prospect of taking over driving as she refused to do it. Next eye test, I mentioned it to my optician and he said it was a "silent migraine"; apparently lots of people get them and they're relatively harmless. That would indeed appear to be the case if they're scintillating scotoma, but perhaps not if they're an ocular migraine.

Hmm. I can see how if that sort of thing were accompanied by pain and lasted for weeks at a time it could be a little annoying, but I don't get headaches so may have some defence against it. Anyway, a couple of years later I got another, and again a year or so after that. I've averaged perhaps one or two a year of late.

I got my first one this year about 3 weeks ago. It wouldn't bother me, but I got my second one today. That's a little too close for comfort.

Oh well. For those of you wondering what it looks like, here's roughly how it appears to me:

It's actually made up of more like adjacent triangles that zig-zag, but this is close enough. I would have spent more time on it, but I was trying to get my wireless printer to talk to the wireless network for 3 hours and I did it in between multiple failed connection attempts...

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Silent Migraines

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