Electronic Low Vision Aids:

Video Magnifiers and CCTVs

Video magnifiers and CCTvs vary in size, but are basically a camera, a screen to view what the camera ‘sees’, and a light source. The size will determine its usefulness for various reading tasks.  While most video magnifiers are hand-held and portable, most CCTV units requires its own space on a desktop. 

Both have some of the same features:

  • More than one magnifying level;
  • True color mode is seeing the colors on the screen as they appear on the page;
  • Inverse mode is the capability to reverse print to white on a black background; and
  • Other color modes, such as yellow print on either a blue or black background, or the reverse which would be blue or black print on a yellow background.

Those are the similarities. Here are the differences: (more…)

Continue ReadingElectronic Low Vision Aids:

Low Vision Aids for the Visually Impaired

The low vision aids can be divided into 3 basic  categories:

  1. Objects modified for use by the visually impaired;
  2. Optical devices; and
  3. Electronic technology.

Browse any of the internet sites, like Amazon or  Independent Living, Aids and you will see a vast array of devices called ‘low vision aids.’   Low vision aids can be anything from bold lined paper to the desktop CCTV (closed circuit television).

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