I'm not an owner of any Leica, but have tried most of them at exhibitions and think the only two Ultravids that would be universally acceptable to glasses wearers are the 7x42 and 8x50. I'm sure Chuck (chill6x6) who owns both would agree.
However, if you have a negative correction (near-sighted) the 16 mm of the 10x42 might just be enough.
John
PS: Chuck beat me to it while I was posting
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