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how long do these episodes last?
Since the splotches returned, the condition is ongoing but in flux. Sometimes it lessens then returns to status quo. I have no other noticeable symptoms, but have observed a small - 1/32nd inch diameter - dry spot on my eyelid. I thought it was unrelated.
I'm not certain that this makes complete sense to me, though if it is indeed the case, I'm thankful. Until I was in my young 40's, I did suffer full blown migraines that began with "flashing lights" and then intense headache pain. Nothing like that for close to 20 years. There is no headache pain associated with this.
I should mention that last week because I was in an unusual for me living situation, I had no coffee at all for a full day period. I normally have two 6 oz. cups per day. Could this be a sort of "withdrawal." symptom? BTW, I'm back drinking coffee as of today.