My father was a professional photographer for many decades. He always had an assortment of eye glasses without the glass. So just the frames. Whenever the light didn't want to cooperate he would have his subject put on a frame that was close and reflection problem solved. Inexpensive frames are everywhere including the "dollar" stores , good well , etc.
My father was a professional photographer back in the day when he developed and printed his own pictures. Lots more expensive than digital today. He couldn't waste money on pictures with eyeglass glare, so he did the next best thing. He gathered several sizes and styles of eyeglasses (from thrift stores I guess), and took the lens out. That way the subject is wearing the frame only and therefore no glare. Maybe you have an old pair with a different prescription that isn't any good. Problem solved. :-)
One good thing to look at is the lens and camera mount. Red dot indicates EF.. White square indicates EF-S. If the camera has both, then both types will work. Do not try to fit an EF-S onto an EF only because the real element of the lens is further into the camera than an EF and you will damage the lens and or camera. Just match the dot/square.
My father (RIP) used this trick for adults and children alike. He obtained some eyeglass frames and took the lens out. That way people look like they normally (wearing glasses) but the problem of reflection / glare no longer exists.
All great answers but here are a couple things. Make sure your diopter is set correctly for your eyes. If what you see in the viewfinder is not really in focus then the picture will not be either. Take off the lens and point the camera at the sky (not the sun). Adjust the diopter so the focus points are as sharp as they can be. Then remember to shoot (manual focus) the way you set up the diopter. I.E. With or without glasses. One other way which accommodates both glasses or no glasses is to change the focus screen to a split prism screen. I have an older Canon 10D that has a broken secondary mirror and therefore no autofocus. No problem. I grew up shooting manual focus film cameras so I just replaced the stock focus screen with a split prism and problem solved.
Bangee5, not sure which camera uses which, but the easiest way to tell without reading the box or the instructions or possibly damaging the lens or body, is to look at the body just above the lens mount. If there is a red dot, the camera will accept the EF lens.. If there is a white square, the camera will accept the EF-S lens. If both are present, then either work.
Just a note to correct O2Nomad... EF-S lens will not physically fit on the 10D. The clue is on the camera body lens mount. Without forcing a lens, and perhaps ruining the lens and body check for a red dot white square. The red dot means EF mount and the white square means EF-S. The 10D only has a red dot.
All very good responses. Here is another. Use an inexpensive UDB thumbdrive as your export destination. Your computer sees it as a hard drive and you eliminate the extra burming steps.