All you wanted to Know about Accessibility

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Demystifying the perceptions & varied views on Accessibility.

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  • Simulation for blindness
  • Simulation for blindness
  • Reference: WHOColor blindness is most commonly a lack of distinction between the colors red and green. It is not generally a lack of seeing all colors (this is extremely rare). It is usually inherited.
  • Reference: WHO
  • http://www.smh.com.au/news/technology/web/rise-of-the-silver-surfer/2008/12/16/1229189620630.htmlhttp://news.suite101.com/article.cfm/silver-surfers-over-50-make-up-53-of-new-uk-internet-users-a256562
  • Need some more information80% of disabled people live in developing countries 10% of the population in poor countries is disabled 1 in every 10 children around the world copes with a disability Only 2–3% of disabled children in poor countries go to school
  • A blind user using refereshablebraille display
  • http://www.disabilityproducts.com/cgi-bin/disabilityproducts.cgi/scan/fi=products/st=db/co=1/sf=additional_categories/se=Dressing%20%26%20Grooming%20Aids/op=rm/nu=0/ml=50/tf=description/to=x.html?mv_session_id=LidHpc2L&mv_pc=84&header=Dressing%20%26%20Grooming%20Aids
  • All you wanted to Know about Accessibility

    1. 1. Manesh Samuel John
    2. 2. Accessibility is for Blind People All You Wanted to Know About Accessibility
    3. 3. Accessibility is for the Disabled All You Wanted to Know About Accessibility
    4. 4. Accessibility is for EVERYONE! RIGHT All You Wanted to Know About Accessibility
    5. 5. So what’s Accessibility?As per the dictionary, Accessibility means:• Convenience• Easy of access• User-friendliness• Easy of understanding• Easy of use Persons with disabilities are the most hit with accessibility issues! All You Wanted to Know About Accessibility
    6. 6. Disabled = Everyone!Its about time we do some reality check on the termdisabled! HEARING MOBILITY Deaf: can’t hear Physical disability: unable to move one or Hard-of-hearing or hearing impaired: more limbs, fingers, or toes can hear only with amplification or can Motor skills impairment: hear in one ear only unable to press one key at a time, unable to press a key without duplicate keystrokes, unable to use a mouse VISION LEARNING Blind: can’t see Dyslexia: difficulty with reading Visually-impaired: can’t read small type or distinguish certain colors Color-blind: can’t distinguish certain colors All You Wanted to Know About Accessibility
    7. 7. Let’s look at some real life examples• People using a wheel chair• Those using a white cane• Those wearing hearing aids• Those using crutches These are the first instances that come to our mind! But what about..• Forgetting glasses at home - finding it complicated to work on the computer• With age, each one of us acquires some sort of disabilities including; • memory loss, • hard-of-hearing, • deteriorating vision , • adversity in climbing stairs, etc In our every day life we all face impairments, activity limitations, and participations! All You Wanted to Know About Accessibility
    8. 8. So the point is ...“Disability is a socially created problem and not an attribute of an individual” All You Wanted to Know About Accessibility
    9. 9. Did You Know1 out of every 5 people in the United States has a learning disability All You Wanted to Know About Accessibility
    10. 10. All You Wanted to Know About Accessibility
    11. 11. All You Wanted to Know About Accessibility
    12. 12. All You Wanted to Know About Accessibility
    13. 13. Normal ProtanopiaDeuteranopia Tritanopia All You Wanted to Know About Accessibility
    14. 14. Did You Know…• Worldwide - 314 million visually impaired, 45 million of them are blind.• Old people, and females are more at risk at every age• 87% of the visually impaired live in developing countries• Reduction in infectious diseases causing blindness, but age-related impairment is increasing• Cataract remains the leading cause of blindness globally, except in the most developed countries.• About 85% of all visual impairment is avoidable globally• 1 in 12 people suffer from some sort of color deficiency All You Wanted to Know About Accessibility
    15. 15. Did You Know One in five have a hearing difficulty or impairment.Source: MS Forrester Report 2004 All You Wanted to Know About Accessibility
    16. 16. Senior Citizens – Silver Surfers• Do not use computers• Unable to use computers• Do not need a computer Changing rapidly! All You Wanted to Know About Accessibility
    17. 17. Who is your target audience? All You Wanted to Know About Accessibility
    18. 18. Is your audience male or female, old or young? All You Wanted to Know About Accessibility
    19. 19. Are your Users Color Blind? All You Wanted to Know About Accessibility
    20. 20. Does user suffer from epilepsy?Your users may suffer from epilepsy - 3 flashes within one second can cause a seizure About 1 in every 200 people have Epilepsy All You Wanted to Know About Accessibility
    21. 21. Why care about accessibility? 750 million peoplein the world are disabled All You Wanted to Know About Accessibility
    22. 22. How do people use the web? All You Wanted to Know About Accessibility
    23. 23. Mouse and Keyboard All You Wanted to Know About Accessibility
    24. 24. Mobile Phone All You Wanted to Know About Accessibility
    25. 25. Assistive Technology All You Wanted to Know About Accessibility
    26. 26. What is Assistive Technology (AT)? AT refers to any "product, device, or equipment, whether acquired commercially, modified or customized, that is used to maintain, increase, or improve the functional capabilities of individuals with disabilities."Source: http://www.section508.gov/docs/AT1998.html All You Wanted to Know About Accessibility
    27. 27. Nail Clipper with Magnifier Assist people with: Limited hand movements Low vision Also works for cutting nails of new born. All You Wanted to Know About Accessibility
    28. 28. Moldable Spoon Liquid Indicator Assist people with: Blindness Low vision Assist people with: Limited hand moment Hand tremors All You Wanted to Know About Accessibility
    29. 29. Long Handle Comb Writing Bird Assist people with: Limited hand movement All You Wanted to Know About Accessibility
    30. 30. Loop Handle Zipper Assist people with: Difficulty in grasping and pulling All You Wanted to Know About Accessibility
    31. 31. Legislations and RegulationsCountry Legislation WCAG ComplianceUSA Rehabilitation Act, Section 504 (USA, 1973) Section 508 Partial Americans with Disabilities Act (ADA) (USA, 1990) –Title II & Title III Amended Section 255 of the Communications Act (USA, 1996) Rehabilitation Act Amendment, Section 508 (USA, 1998) Disability Discrimination Act of 1995 (UK, 1995) PAS78 refers to theUnited Disability Rights Commission (DRC) published a Code of Practice for WCAG GuidelinesKingdom “Rights of Access –Goods, Facilities, Services and Premises” (UK, 2002) DRC Published Code of Practice for Website Accessibility (PAS78) (UK, 2006)Australia Disability Discrimination Act (1992) WCAG 2.0 Level AA WWW Accessibility (Disability) Policy (Australia, 2000)Canada Canadian Human Rights Act (Canada, 1977) WCAG 1.0 P1 and P2 Employment Equity Act (Canada, 1995) Ontarians with Disabilities Act (Ontario, Canada, 2001) Common Look and Feel Standards for the Internet (Canada, 2006)Germany Ordinance on Barrier Free Information Technology or BITV (Germany, BITV has two priorities & 2002) 14 standards, based on the WCAG 1.0 GuidelinesEuropean Unified Web Evaluation Methodology 1.0 (2006) WCAG 2.0Union All You Wanted to Know About Accessibility
    32. 32. Web Accessibility Quick Fixes• Color and Contrast - Provide sufficient color contrast for the foreground and background color combinations. • Color can’t be used as a “sole indicator of meaning”• Font Sizes - Make your default font size reasonably big (at least 10 point) so that very few users have to resort to manual overrides.• Icons and Texts for Better Context• Sensory Characteristics - Do not use size, shape or location to provide any information• Different heading levels should be appropriately used.• Alt text inclusion for images is critical and should be null for spacer images and for images that are included with same anchor tag for a textual link.• Expansion for abbreviations is essential• Keyboard access is very critical, considering that there could be few users who wouldn’t be using mouse at all.• “Skip to Main Content” should be available.• Row and Column headers should be provided for all data tables, <th> tags.• Descriptive and informative page titles• Ensure all hyperlinks use descriptive and meaningful text, avoiding short-hand language like Click here;• Captions must be provided for any multimedia (audio/visual) content• Avoid Flickering - Pages shall be designed to avoid causing the screen to flicker with a frequency greater than2 Hz and lower than 55 Hz. All You Wanted to Know About Accessibility

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