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Chapter 7

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Chapter 7

  1. 1. Chapter 7:Assistive Technology for Sensory Impairments (Visual Impairments) By: Renee-Lynn L. Sanchez
  2. 2. Presentation Objectives <ul><li>What is a visual impairment </li></ul><ul><li>Conditions that cause visual impairments </li></ul><ul><li>Examples of assistive technology devices for students with visual impairments? </li></ul><ul><li>Assistive Technology Resources for Visual Impairments </li></ul>
  3. 3. Visual impairments <ul><li>Any kind of vision loss </li></ul><ul><li>Can not be fully restored through corrective lenses, surgery, glasses, contacts, medications etc </li></ul><ul><li>Can be congenital or adventitious </li></ul><ul><li>Terms used: Partially sighted, low vision, legally blind, totally blind </li></ul>
  4. 4. Conditions that can causes vision loss <ul><li>Amblyopia </li></ul><ul><li>Cataracts </li></ul><ul><li>Diabetic retinopathy </li></ul><ul><li>Glaucoma </li></ul><ul><li>Macular degeneration </li></ul><ul><li>Trachoma </li></ul>
  5. 5. AT Devices for Students with Visual Impairments <ul><li>Access to Print and Multimedia Materials </li></ul><ul><li>Magnification of Computer Images and Visual Information </li></ul><ul><li>Screen Readers </li></ul><ul><li>Braille Format </li></ul><ul><li>Internet Access </li></ul><ul><li>Supplemental or Supporting Assistive Technology Devices for Visual Impairments </li></ul>
  6. 6. The Braille Book Store http://www.braillebookstore.com/view.php?T=Dr.+Seuss's+ABC's <ul><li>Books for children and adults </li></ul><ul><li>Dr. Seuss's ABC's by Dr. Seuss $13.95 in Grade 2 Text/Braille The Cat in the Hat by Dr. Seuss $14.95 in Grade 2 Text/Braille </li></ul>Alice's Adventures in Wonderland, Audio Book by Darian Entertainment
  7. 7. i.d. mate OMNI & Omni-Directional Scanner http://www.envisionamerica.com/idmate/ <ul><li>- All-in-one&quot; talking bar code scanner. </li></ul><ul><li>It allows an individual to identify items using the product's bar code or UPC </li></ul><ul><li>user can quickly add additional voice recorded information to existing products or to items not found in the database </li></ul><ul><li>2.4 of this database which contains almost 1.79 million items such as medication food, beautify products, cleaning products, etc </li></ul>
  8. 8. Samples of AT devices for the visually impaired/blind <ul><li>Screen reader - software program that works in conjunction with a speech synthesizer to provide verbalization of everything on the screen including menus, text, and punctuation.  </li></ul><ul><li>Screen magnification - software that focuses on a single portion (1/4, 1/9, 1/16, etc.) of the screen and enlarges it to fill the screen.  </li></ul><ul><li>Refreshable braille display - provide tactile output of information presented on the computer screen. Unlike conventional braille, which is permanently embossed onto paper, refreshable braille displays are mechanical in nature and lift small, rounded plastic pins as need to form braille characters. The displays contain 20, 40, or 80 braille cells, after the line is read, the user can &quot;refresh&quot; the display to read the next line.  http://www.afb.org/Section.asp?SectionID=7&TopicID=330&SubTopicID=97&DocumentID=3652 </li></ul>
  9. 9. OTHER AT DEVICES Talking Indoor-Outdoor Thermometer $ 13.95 Braille Salt and Pepper Set $6.96 Full-Page Slate, Letter-Size 25 Lines, 28 Cells--Braille a Whole Page in One Go $ 19.95 Braille Playing Cards, Regular $9.95
  10. 11. Assistive Technology Resources for Visual Impairments <ul><li>American Printing House for the Blind Inc (APH) http://www.aph.org </li></ul><ul><li>The Braille Book Store http://www.braillebookstore.com </li></ul><ul><li>Principles of Assistive Technology for Students with Visual Impairments </li></ul><ul><li>http://www.tsbvi.edu/technology/principles.htm </li></ul>
  11. 12. <ul><li>Kids Health http://kidshealth.org/teen/diseases_conditions/sight/visual_impairment.html </li></ul><ul><li>Assistive Technology Resources for Visual Impairments http://www.afb.org/Section.asp?SectionID=7&TopicID=330&SubTopicID=97&DocumentID=3652 </li></ul>Assistive Technology Resources for Visual Impairments

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