Specialized reading commands also allow the user to further explore text on a line by line or word by word basis. Screen readers can read ALT text if it is present, informing the visually impaired user about the graphical elements on a page. Frames can also be challenging for screen readers. Screen Readers for Low Vision Users Individuals with low vision need to have onscreen text and images magnified and may benefit from using a screen reader if they require very large magnification. Software programs which magnify the screen are intuitive and easy to use.
Keystrokes allow the user to enlarge or reduce screen magnification on the fly.
Because not all the visual information can be seen at one time once screen content is enlarged, mouse move-ment is used to pan around the screen display. For persons requiring text magnified more than six times its original size, it is recommended that a screen enlarging program which also supports its own screen reading capabilities be used. Most users who browse the Web at high magnification choose to work with graphic images turned off at the browser level because at large magnification images become an unrecognizable collage of pixels. They will need to see the page just as it is, relying heavily on the any graphics present to augment or enhance the information presented in text form. Because ease of use is important for persons with persons with learning disabilities, the most widely used Web reader for LD Web surfer's functions with a very simple tool bar.