Exact prices change frequently, which is why only approximate ranges are listed.
$ - Under $5
$$ - Between $6 and $50
$$$ - Between $51 and $250
$$$$ - Over $250
Harrison, C., & Dey, A. K. (2008, April). Lean and zoom: proximity-aware user interface and content magnification. In Proceedings of the SIGCHI Conference on Human Factors in Computing Systems (pp. 507-510). ACM.
Hoeft, R. M., Buff, W. L., Cook, E., Stanney, K. M., & Wilson, S. (2002, September). Improving Assistive Technologies for the Visually Impaired: Minimizing the Side Effects of Magnification Products. In Proceedings of the Human Factors and Ergonomics Society Annual Meeting (Vol. 46, No. 16, pp. 1482-1485). Sage CA: Los Angeles, CA: SAGE Publications.
Thomas, R., Barker, L., Rubin, G., & Dahlmann‐Noor, A. (2015). Assistive technology for children and young people with low vision. The Cochrane Library.
Written by Harrison McNaughtan, Last Revision May 2018