Design for Disability Access.

Epilepsy - Web Design.

Photo Sensitive Epilepsy. Some people with this form epilepsy can have 
a seizure triggered by certain website displays.

Considerations:

• Avoid the the use of flashing, flickering, or blinking text or  images 
  especially of high intensity and within certain frequency ranges*.

• Avoiding auto refresh pages.

• Avoid the use of moving text or provide the user the ability to stop the motion.

Causes of triggered seizures:

•  flickering or flashing: 4 to 59 flashes per second (Hertz) range. 

• With a peak sensitivity at 20 flashes per second. 

• Strobe light effects. 

• Quick changes from dark to light.

Design for Poor or No  Hand Movement - Design for Sight Impairment - Design for Colour Vision Impairment - Design for Dyslexia - Design for Hearing Impairment - Design for Epilepsy - Design for Cognitive Impairment.  - Tips and Hints  

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