Fotografi

In this Nov. 11, 2010 file photo, 43-year-old Peter Berg who lost his vision to diabetes in his 20s, works at his office in Chicago. Using software that reads content to him, he can surf websites for work, check Facebook and pay his bills online.

Rep. Jim Langevin, D-R.I., heads to the House floor on Capitol Hill in Washington Monday, July 26, 2010 to preside over the House after an event celebrating the Americans with Disabilities Act.

Matthew McMeekin poses with his mother, Bebe McMeekin at their home in Bethesda, Md. in this Feb. 10, 2014 file photo. Most Americans with intellectual or developmental disabilities remain shut out of the workforce, despite the ADA.

Then President Bill Clinton signs new disabilities legislation at the FDR memorial Dec. 17, 1999 that could allow as many as eight million disabled Americans to go to work without fear of losing their federal health insurance.

Police issue citations for blocking the front of the White House to wheelchair-bound demonstrators who had chained themselves to the White House fence on Pennsylvania Avenue in Washington in this April 27, 2009 file photo.

Dani Moore keeps her service rat, Hiyo Silver on a leash in the public library in Hesperia, Ca. in this 2011 file photo.

President George H.W. Bush meets with disabled community leaders at the White House in Washington, D.C., to discuss the Americans With Disabilities Act on Aug. 11, 1989.