Hi all,
 read the discussion with interest, astigmatism it seems leaves your 
options limited.  If you can adapt this product:
http://www.televue.com/engine/TV3_page.asp?id=54&Tab=_back
 to your binoculars it should allow you to get better images from your 
binos and to be able to use the full field of view.  They are designed 
for astronomical telescope eyepieces, some of which have particularly 
wide apparent fields of view and these products were developed to 
allow people with astigmatism to to take full advantage of the wide 
field of view.
 The other thing to consider with eyeglasses is to get multi coating on 
the lenses to minimise reflections.  Have not actually tried any of 
these as I still don't use specs at 51, despite being told 6 or 7 
years ago when tested at work that _everyone _over 45 needs glasses.  
I think at the time I tested as very  slightly short sighted and 
annoyed the hell out of the optometrist  when I could read the bottom 
line of the eye chart and the prescribed diopter lens he had me try 
made the chart harder to see.  I've seen a couple of examples where 
people have been told they need glasses but when they spend the $$$ 
the specs make things worse for them, so if it doesn't seem right get 
a second opinion.
regards,
Chris Ross
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