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Blindness and Low Vision

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Kristin Nickell

on 9 November 2012

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Transcript of Blindness and Low Vision

Blindness and
Low Vision By Kristin Nickell Definition of Blindness References Causes Accommodations
Low Vision Social Interactions Placement Visual Acuity 20/200 or less


Ability to see 20 degrees or less American foundation for the blind. (2012). Retrieved from http://www.afb.org/default.aspx Definition of Low Vision •May not be able to interpret facial expressions Blindness •Environmental 68% of visually impaired are in regular classroom Vision that when corrected still affects student performance Low Vision Improper functioning in the nervous system, optical system, or muscular system Amblyopia-“lazy eye”
Cataracts
Strabismus- “crossed eyed” 13% resource 12% in separate classroom 6% separate schools How to Identify •Holds book close when reading
•Squint in bright light
•Sits close to the television
•Complains of headache when doing detailed work Evaluation Process Evaluation by Optometrist

Functional Vision Assessment Characteristics Blind Low Vision Peripheral field (bump into things)
Depth perception (cannot distinguish steps)
Tracking or following moving objects Functional Vision
Difficulty seeing fine details
May not be able to see distance Accommodations for Blind • Orientation skills • Direct Instruction • Material in alternate forms • Assistive Technology •Cane Skills
•Sighted Guides
•Laser Beam Cane •Read aloud what is written
•Verbally describe all pictures, graphs, and diagrams
•Give tests orally
http://iris.peabody.vanderbilt.edu/v02_successsight/cr_assess.htm •Large Print Materials
•Braille • Magnifiers
• Monocular
• Video Magnifiers
• Talking Calculators
• Talking Dictionary
• Reading Machines
• Screen Readers
• Portable Note Takers
• Braille Keyboards •Assistive Technology •Alternate Forms Lighting
Preferential seating Large Print Calculators
Zoom Screens
Portable Note Takers
Large Print Keyboards Large Print Books
Enlarged Worksheets http://support.perkins.org/site/PageServer?pagename=Webcasts_Adapting_Environments Videos http://disabilitymovies.com/2010/out-of-sight/ •Difficulty deciphering non-verbal communication •Need to learn turn taking •Learn how to interpret audio clues •Asking for assistance when needed •Proper selection of clothing and makeup Assistive technology for college students who are visually impaired. (2003). College of New
Jersey, Retrieved from http://adaptivetech.tcnj.edu/resheet/blind.htm Disability movies. (2012). Retrieved from http://disabilitymovies.com http://www.tsb.k12tn.net/TSB/Vision/profres/Vision Manual/Visual Impairment.htm Fork in the road vision rehabilitation services. (2012). Retrieved from
http://www.lowvisionsimulators.com/sitecontent/ Heward William, L. (2013). Exceptional children: An introduction to special education. (10 ed.).
New York: Pearson. IRIS Center for Training Enhancements. (n.d.). Classroom assessment (part 1):
Instructional accommodations: Making the Learning Environment Accessible to Students
with Visual Disabilities . Retrieved from website: http://iris.peabody.vanderbilt.edu/v02_successsight/chalcycle.htm Lighthouse international. (2012). Retrieved from http://www.lighthouse.org/about-low-vision-blindness/childrens-vision/pediatric-eye-disorders/ Perkins school for the blind. (n.d.). Retrieved from http://www.perkins.org Sacks, S. Z., Lueck, A. H., Corn, A. L., & Erin, J. N. (n.d.). Supporting the social and emotional
needs of students with low vision to promote academic and social success. Retrieved
from www.cecdvi.org/Postion Papers/Low Vision Part 2.doc Fisher, J., Baker, S., McBee, B., Bell, J., Sanford, L., Brewer, R., Sering, T., & Brown, E. State
of Education, Division of Special Education. (2003). Guideline for identifying children with
disabilities: Visual impairment Tennessee. Retrieved from website:
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