Impaired vision and blindness are common. About 3.4 million people in the US are blind or visually impaired. Vision is usually measured by visual acuity charts, and normal vision is expressed as 20/20 ...

Acuity, Inc. is an industrial technology company, which engages in the provision of lighting and building management solutions and services. It operates through the Acuity Brands Lighting and Lighting ...

Acuity Brands, Inc. provides lighting, lighting controls, building management system, location-aware applications in the United States and internationally. The company operates in two segments, Acuity ...