It's a great idea and almost like wearing tri-focals, and I liked it for looking straight ahead and for reading, but they caused me problems when riding and driving, especially riding motorcycle. Peripheral vision is essential to staying alive on a bike, but all I was getting was blur. It got better with the next generation of lenses, but still too much for me to try to deal with. At some point they are going to phase out the old style completely and I'm not looking forward to that at all!
Stitchawl
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