Simulations of visual stress
These include illusions of shape, movement and colour in the text,
distortions of the print, loss of clarity, and general visual irritation. These may impede the development of
reading skills and reading fluency. These sample distortions have been described by individuals around the
world. Individuals often experience more than one distortion at a time, and
the speed of movement will vary from person to person.
Note: Depending on the speed of
your computer system, these simulations may move rapidly and/or take a few seconds to
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