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Assistive technologies and the education system in India

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vision or who have light perception only, it is desirable to use <strong>the</strong> term ‚bl<strong>in</strong>d‛. In all o<strong>the</strong>rcases of visual defects <strong>the</strong> term ‚visually impaired‛ should preferably be used. For <strong>the</strong> personswhose visual acuity falls between 6/ 18 <strong>and</strong> 6/60 <strong>in</strong> <strong>the</strong> better eye after <strong>the</strong> best possiblecorrection, <strong>the</strong> term ‚low vision‛ should be used. In context of vision defects, a variety of termsviz. totally bl<strong>in</strong>d, stone bl<strong>in</strong>d, bl<strong>in</strong>d, partially bl<strong>in</strong>d, legally bl<strong>in</strong>d, economically bl<strong>in</strong>d, visuallylimited, low vision, partially sighted, visually h<strong>and</strong>icapped, visually impaired etc. are be<strong>in</strong>gused {RamaKrishna T. 2009, Armstrong 2009,http://www.pls.org.uk/ngen_public/default.asp?id=60 }.Underst<strong>and</strong><strong>in</strong>g of visual impairment <strong>in</strong> <strong>India</strong>The most common def<strong>in</strong>ition <strong>and</strong> classification of disability used by <strong>the</strong> Government of <strong>India</strong>for all purposes was determ<strong>in</strong>ed with <strong>the</strong> enactment of <strong>the</strong> Persons with Disabilities (EqualOpportunities, Protection of Rights <strong>and</strong> Full Participation) Act, 1995 (section 2). Disability hasbeen classified <strong>in</strong>to seven classes on <strong>the</strong> basis of medical def<strong>in</strong>ition. These classes <strong>in</strong>clude peoplewith bl<strong>in</strong>dness, low-vision, leprosy (cured), hear<strong>in</strong>g impairment, locomotor disability, mentalretardation <strong>and</strong> mental illness. Out of <strong>the</strong> coverage of each of <strong>the</strong> aforesaid seven groups, <strong>the</strong>Persons with Disabilities (Equal Opportunities, Protection of Rights <strong>and</strong> Full Participation) Act,1995 has given <strong>the</strong> follow<strong>in</strong>g respective def<strong>in</strong>itions to bl<strong>in</strong>dness <strong>and</strong> low-vision:Bl<strong>in</strong>dness refers to a condition where a person suffers from any of <strong>the</strong> follow<strong>in</strong>gconditions namely:‣ Total absence of sight; or‣ Visual acuity not exceed<strong>in</strong>g 6/60 or 20/200 (Snellen test) <strong>in</strong> <strong>the</strong> better eye withcorrect<strong>in</strong>g lenses; or‣ Limitation of <strong>the</strong> field of vision subtend<strong>in</strong>g an angle of 200 or worse.Person with low–vision means a person with impairment of visual function<strong>in</strong>g, evenafter treatment or st<strong>and</strong>ard refractive correction but who uses, or is potentiallycapable of us<strong>in</strong>g, vision for <strong>the</strong> plann<strong>in</strong>g or execution of a task with appropriateassistive device.Thus, bl<strong>in</strong>dness <strong>in</strong> <strong>India</strong> has been classified broadly under two categories: i.e., totalbl<strong>in</strong>dness <strong>and</strong> low-vision. If we analyze <strong>the</strong> above mentioned def<strong>in</strong>itions of <strong>the</strong> concept‘visual impairment’ we can clearly f<strong>in</strong>d some practical problems. Though low vision <strong>and</strong>no-vision have been def<strong>in</strong>ed separately, <strong>the</strong>y broadly come under <strong>the</strong> category ofvisually impaired. A totally visually impaired <strong>in</strong>dividual is quite different from a personhav<strong>in</strong>g low vision.

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