TV-2X Are also called TV-Glasses they are Low Vision Aids to assist with watching television. They are designed to work from a normal TV viewing distance of 9ft-16ft, and with a direct straight on view as the magnification reduces the field of view to 19 degrees. Each eye has adjustable focus +-3 Diopter for great clarity and adjust to individual eye needs. They are not for distant or close viewing, they work best at distance of 9-16ft and when your sitting directly in front of TV because the magnification will reduce the field of view as with any magnified lens, so viewing from the side of the TV is not recommended. Comes with a padded carrying and storage case.