Difference between optical and non optical aids
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non optical aids:-
these often include (1) tactual aids ( using sense of touch ) . the visually impaired can learn to read and write by using a special touch system called the Braille . this system make use of raised dots on a paper . (2) auditory aids ( using sense of hearing ) include audio cassettes, tape recorders, audio CDs, audio books and electronic devices like computer / calculators / closed circuit television. these , with the help of a software programme , can transfer text files into sound.
optical aids :-
these include lenses and telescopic aids. while suitable lens combinations are used to rectify visual limitations, the telescopic aids can help to view class demonstrations and the blackboard .
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these often include (1) tactual aids ( using sense of touch ) . the visually impaired can learn to read and write by using a special touch system called the Braille . this system make use of raised dots on a paper . (2) auditory aids ( using sense of hearing ) include audio cassettes, tape recorders, audio CDs, audio books and electronic devices like computer / calculators / closed circuit television. these , with the help of a software programme , can transfer text files into sound.
optical aids :-
these include lenses and telescopic aids. while suitable lens combinations are used to rectify visual limitations, the telescopic aids can help to view class demonstrations and the blackboard .
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Answered by
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Optical aids: Optical aids includes lenses and telescopic aids to view class demonstrations, blakboard and the things present around them.
AND....
Non-optical aids: non-optical aids as well as optical aids are used to help visually challenged persons.
The non-optical aids bacikly divided into two parts are:
1. Tactual aids:
tactual aids help to visually challenged persons to develop their sense of touch by using a special touch system called the brail.
2.Auditory aids:
auditory aids help to visually challenged persons to develop their sense of hearing by the recodio audio CDs,audio books etc.
HOPE IT WILL HELP YOU......ALL...
AND....
Non-optical aids: non-optical aids as well as optical aids are used to help visually challenged persons.
The non-optical aids bacikly divided into two parts are:
1. Tactual aids:
tactual aids help to visually challenged persons to develop their sense of touch by using a special touch system called the brail.
2.Auditory aids:
auditory aids help to visually challenged persons to develop their sense of hearing by the recodio audio CDs,audio books etc.
HOPE IT WILL HELP YOU......ALL...
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