Unlike screen enlargement software, web browsers only enlarge the text of documents and do not enlarge the menu items, icons, and other images. The largest font is about 18 points, which may not be sufficient for accommodating those with more significant visual impairments. However, Internet Explorer has other features that make it more accessible than Netscape. For instance, in order to use Netscape a user must be able to use mouse, while Internet Explorer provides keyboard alternatives for all mouse moves. Mini-keyboards, expanded keyboards, and ergonomic keyboards are useful for people with carpal tunnel, limited fine motor control, and other hand use limitations.
Most keyboards come with special software that needs to be installed on the computer.
These are devices that fit over regular keyboards and make it easier for a user with limited fine motor control to select the desired key. They are useful for those with low vision. A large track ball in place of or in addition to a mouse can help those with fine motor control impairments. It is also helpful to provide patrons with information about built-in accessibility features of Internet Explorer, including a handout or sign with keyboard stroke alternatives to mouse moves. A variety of track balls are readily available.