Lucy Greco (left), a web-accessibility specialist at the University of California, Berkeley, is blind. She reads most of her documents online, but employs Liza Schlosser-Olroyd as an aide to sort through her paper mail every other month, to make sure Greco hasn’t missed a bill or other important correspondence. Shelby Knowles for KHN hide caption toggle caption Shelby Knowles for KHN Lucy Greco (left), a web-accessibility specialist at the University of California, Berkeley, is blind. She reads most of her documents online, but employs Liza Schlosser-Olroyd as an aide to sort through her paper mail every other month, to make sure Greco hasn’t missed a bill or other important correspondence.…