Abstract
Closed-circuit television reading machines are now available from several sources, with different models offering a variety of features. Among those criteria to be considered in selecting a device for purchase, the following are suggested as being vitally important: magnification, focus, reversed image, sharpness (brightness), clarity (contrast), movable viewing table, adjustable monitor (distance, height, tilt), portability, accessories, monitor selections, aesthetics, warranty and service, long-term support, and user's manual and instructions.
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