I have also used Ken's idea of mounting a diopter. Remember on the Nikon diopters, they are marked different than the actual strength because they are not supposed to be used on anything but a Nikon ( :) ) that has already one diopter of correction built in. So the number on the Nikon accessory diopter incorporates the camera's one diopter power into its total indicated strength.
Contact lenses are the best thing that's happned to me.. wearing since when they first came out with the soft lens.. never go back to shooting with glasses ever again.
I tried the aux eyepiece lenses.
It worked fine...but only when I was looking thru the camera.
Other than that, I had to put my glasses on.
What a PIA.
It was just easier to view thru the camera w my glasses on.
But I agree, certain cameras with "small" viewfinder windows are not designed for use with eye glasses.
Contacts or eye surgery that would get me back to 20/20 would be nice. But middle-age eyes can only be helped so much.
Old age eyes are beyond repair..
still contacts are so nice....
But I find my arms are getting shorter every year!
My former eye doc told me that I have too many things to correct to use contacts.
And to make it worse, now I wear tri-focal glasses.
That getting old thing is not so much fun.. they say it;s downhill after 50.. hell you don't hit terminal velocity till you are over 60.. then the ride gets more interesting.
Actually it is 40.
That was when I need to get bifocals.