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Annie,
Please forgive me but I have to pick up one point, which has become a bug bear to me.
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MG has binocular DV and when you close one eye, it goes away.
Mg has binocular Diplopia 99% of the time.
Fatigable Monocular Diplopia is extremely rare, that translates to rarely diagnosed. But the only way that monocular diplopia can be fatigable, is through muscles.
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Before I got sick this spring, I had a long explanation for you about this, but didn't have a chance to post it. This time, it'll have to be shorter.
Monocular double vision (MDV) is NOT fatigable. That's kind of like saying that asthma is fatigable. Weak muscles can affect other disorders but they don't cause them nor do they make them weaker, per se.
Muscles are fatigable in MG. MDV is caused by something other than MG.
You can have binocular DV and MDV at the same time, but they have different causes. BDV goes away when you close one eye because the muscles of each eye are variably weak, thereby focusing the eyes differently. Close one eye, the one eye focuses.
I would normally post articles, but I'm so worn out and busy.
What's more important is that you get some real help. I wish you could go to France to see Dr. Bruno Eymard in France. Parlez-vous francais? He does speak English.
I'm sorry you're getting worse. Please take it easy.
Annie
http://www.myologie.org/ewb_pages/c/...esentation.php
http://www.myologie.org/anglais/ewb_...s_2003_196.php
http://www.congenitalmyasthenicsyndr...dromes2004.pdf
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2725239/