Tuesday, September 15, 2009

Cheap ergonomic keyboard

Ergonomic keyboard is suitable for people with disabilities who may need specially adapted PC accessories for access technology. We explore options on ergonomic keyboards for people with disabilities. There is no precise design for ergonomic keyboard but most of them have either split or contoured feature. Split ergonomic keyboards seperate the keys into two or three segments allowing the user to type at a different angle than the typical straight keyboard. Some allow a range of rotations and elevations at different angles. Contoured ergonomic keyboard seperate the left and right sides of the keyboard into two concave sections or key wells.

Buying ergonomic keyboard with large keys. This is standard keyboard with keys about 4 times the size of normal ones. It does not have numeric keypad. The large print characters on the keycap improve readability and reduce eye strain which may be suitable for users struggling with vision and dexterity issues. It can also be suitable for those who use their toes to type. Some of the ergonomic keyboards come with different colors for the alphabet, number and function keys to help persons with cognitive or learning difficulties to locate the keys with ease. When choosing ergonomic keyboards for young children, the color coding may help to speed up their recognition of the letters and progress in learning to read.

Enlarged Ergonomic keyboards. The enlarged keyboard is about two times larger than standard ones. These keyboards allow control of both the keyboard and mouse functions. Keycaps are usually not raised like on the standard ergonomic keyboard. When you buy ergonomic keyboard note that some have no keys but are still programmable with overlays that a user slides over the surface to create customized keyboards for different uses. The flexibility of customising the overlays makes this keyboard suitable for people with physical, visual and cognitive difficulties.

You can also buy miniature ergonomic keyboard is ideal for users who find it difficult to reach all the keys of a standard keyboard or those can only type in a small target area. IT has a shorter travel distance and lightweight keys and may be as narrow as the width of a sheet of paper. Users with good dexterity and reduced range of movements will buy mini ergonomic keyboard. They are also suitable for users with significant muscle weakness of the arms and hands.

Buy compact ergonomic keyboard. Compact keyboards are 20%-30% smaller than standard keyboards. The keycaps are slightly lower and closer together and have no numeric keypad. Some of the compact ergonomic keyboards have an integrated trackball on them. Users with limited arm and hand movements should buy compact ergonomic keyboard because it is designed for them.

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