Crossbow Education coloured monitor overlays can be used to reduce glare by placing it flat against the computer screen. Colours can also be combined to create deeper or mixed tints.
These acetate coloured overlays are ideal for changing the background colour of a web page to make it easier for you to read, and are suitable for those people who have difficulties because of Visual Stress, Dyslexia, Irlen Syndrome or Scotopic Sensitivity Syndrome (SSS).
There are 4 different sizes of tinted monitor overlays which can be cut to fit smaller sizes. They come in 11 different colours.
19″ (300 x 374 x 1 mm)
17″ (269 x 337 x 1 mm)
21.5″ (268 x 476 x 1 mm) widescreen
24″ (299 x 529 x 1 mm) widescreen
How do I measure LCD screen size?
The right way to measure a screen size is diagonally from corner to corner. You could measure from the top left corner to the bottom right, or the top right corner to the bottom left, this is suitable for the 17″ & 19″ monitor overlays, as shown by the image.
The image for the widescreen overlays is used as a guide to show how either 21.5″ or 24″ monitor overlays are measured.
Monitor overlay software programs are also available.
If you are looking for a dyslexia computer screen overlay software to replace these acetate sheets then you can. Overlay software can be installed onto your computer with a variety of different colours available to configure. This also saves having to fix a monitor overlay to your computer screen. Follow this link to see ClaroView and ScreenRuler suite, which is one of the pieces of software available