ADA 101 – Vision Lights
2010 ADAS 404.2.11 – Vision Lights
Doors, gates, and side lights adjacent to doors or gates, containing one or more glazing panels that permit viewing through the panels shall have the bottom of at least one glazed panel located 43 inches maximum above the finish floor.
EXCEPTION:Vision lights with the lowest part more than 66 inches from the finish floor or ground shall not be required to comply with 404.2.11.
Code according to 2010 ADAS. Check your state’s accessibility laws. Some states such as California, Georgia and Florida have additional requirements and standards