Good lighting, especially natural lighting improves safety by improving visability. especially for those with sight deficiencies. Universal design incorporates principles and specifications that are helpful to all people. For appropriate reach elements should be located between 20'' and 40'' off the floor, and no more than 20'' deep. These include lighting switches, electrical outlets, thermostat, window blind/treatments' controls, appliances, stowage, hardware and drawers. Open floor plans work best for those in wheelchairs. Low-nap carpeting and non-slip smooth floor surfaces prevent tripping and are easier to use a cane, walker and wheelchair on. For elderly with deficient vision it is recommended that flooring with consistent color shades are used and any transitions be clearly identified. Home automation like intercoms, automatic door openers, programmable thermostats, surveillance systems, outdoor motion-detector lighting make life safer and easier. Please refer to
general accessibility for more information.
