Fade to Gray: California Tries New Eye Test

The state of California is considering changes to its driving test - specifically, to the eye charts they use to test vision.

Instead of using the familiar scenario - lines of letters that get progressively smaller - they have charts that have letters that are the same size, but the print gets progressively lighter. The letters go from black to gray to light gray.

Officials are trying out the new chart at six DMV offices right now. Robert Siegel talks with Ian Bailey, professor at the UC Berkeley School of Optometry, about what was wrong with the old test.

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