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DKB_SATX @ Jan 6th 2008 1:32PM
And YOU don't understand the bifocal thing. The most common vision problem of people as they age (assuming they didn't require vision correction all their lives) is that the stiffening of the lens makes it progressively more difficult to focus on things close to the eye... so you can see what's past the hood of the car just fine, but the small text on a nav system 2 feet away is hard to read.