In reply to john arran: Monovision does not cause loss of 3D vision. There are multiple cues to depth and disparity between the two eyes is only one of them, often a fairly minor player. You can test this my closing one eye and observing that the world does not become 2D! Lots of people have amblyopia or a squint meaning they never have stereoscopic vision -they can still drive etc fine (that's not to say it won't take a little getting used to).
It's good that you've tried monovision with your glasses. I would advise visiting an optometrist and trying out wearing a contact lens in just one eye as an alternative. This is advantageous as you have less of a difference in image magnification between the two eyes with contacts than with your present system. You also have the option of picking and choosing when you use the lens, which is often good for people with a varied lifestyle who may not need to read much on some days, or read a lot on others.
Laser is an option if you are sure you like the monovision, but as others said it is irreversible so you need to be sure. If you did have the laser and didn't like the monovision, you could have the other eye treated as well, but this would leave you needing distance glasses (but not reading glasses) assuming two successful surgeries. Again, a good long test of monovision contact lenses (or one lens) would be a good idea before considering surgery. You may then even decide just to stick with contacts, as most people adapt to them very well and quickly find they become unaware of the sensation of wearing them.
Hope that helps.