I have tried to make this web site as usable as possible but I am not an expert in this field and I have no access to screen readers or other assistive technology to test what I've done. If you have problems with the site please let me know and I'll do my best to improve things. Any suggestions for improvement will be welcome.
If your eyesight is poor you might try increasing the text size your browser uses. Each browser does this differently, all the browsers on the Compatibility page provide the facility.
You should be able to navigate the pages using the keyboard or equivalent.