Oh yeah....Bright lights kill me too...Especially fluorescent, and yes, the grocery store is brutal...Sunlight pulls my eyelids down like a magnet.

Do any of you get excessive tearing? The wind blows even the tiniest bit, and my eyes water like mad....

Suev, it's weird that it happens after you take the mestinon...Maybe the mestinon's doing it...I think that a working muscle, or one not very affected by the MG or affected at all, for that matter, might be negatively affected by the mestinon...