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6. “Don't make the screen flicker” [WCAG 7.1]
Flashing or strobing screen effects can trigger seizures
in people with photosensitive epilepsy. Although
photosensitivity is rare, 1 in 4,000, reactions to light
flashes can have serious consequences.
Unfortunately, the use of a framed layout
drastically hampers accessibility. For example,
sometimes text readers for visually impaired users
cannot find the inside frame that contains the body of
the text. This is because screen reader or self-voicing
browsers navigate only one screen at a time. This
software can tell a visually impaired user the general
content of a frame, but cannot follow multiple events
in multiple frames. When there are no titles included
in the code of individual framed pages, visually
impaired users can easily be confused about the
function and content of each page. [See Ebina and
Miyake, 2001]. Therefore, every page that appears in
7. Use plain, understandable English [WCAG 14.1]
People with cognitive disabilities, poor readers, and
those for whom English is not their primary language,
may be confused by technical language and jargon.
For information about the Plain English Movement
sponsored by ERIC Clearinghouse on Reading and
Communication Skills [Urbana, IL] visit
http://www.ed.gov/databases/ERIC_Digests/ed284273
.html .
7
http://www.ed.gov/databases/ERIC_Digests/ed284273.html
http://www.ed.gov/databases/ERIC_Digests/ed284273.html
http://www.w3.org/TR/REC-html40/struct/tables.html
http://www.w3.org/TR/REC-html40/struct/tables.html
Developments in Business Simulation and Experiential Learning, Volume 30, 2003
a frame should have its own descriptive