The Natural History Museum of Los Angeles County Hearing Impairments Hearing-impaired people may be completely deaf, or may have partial loss of hearing. These people may have trouble distinguishing the sounds coming from a computer kiosk and the sounds created by museum visitors walking past. Hearing-impaired individuals are best accommodated by providing graphical or textual alternatives to sound tracks. Mainstream visitors will benefit as well. Text tracks in on-line video can be searched, providing all users with a means to access specific information without having to listen to the entire feature.
Some people suffer from decreased mobility.
This can range from stiffness of fingers due to arthritis to complete paralysis below the neck. Many people with disabilities use adaptive technology, software or hardware that is designed to provide easier access to electronic resources. Designing web sites for such a wide range of people is difficult, however, if web site designers adhere to the basic principles of Accessible Design then the developers of adaptive technologies will create tools to assist this population. Cognitive Disabilities People with cognitive disabilities may have trouble reading. To better serve this population, web designers should avoid lengthy, text only pages.