Tvi Magnification Devices For Low Vision
TVi ZOOM WITH ADJUSTABLE
MAGNIFICATION:
The Tvi Zoom is a closed circuit television magnifier for the partially sighted. It uses s small TV camera in an ergonomic, hand held “mouse” and incorporates a zoom lens that allows the level of magnification to be altered. The magnified image is displayed on a standard TV in black and white. The mouse has rollers that facilitate easy scanning of text, and its mobility allows difficult to read items such as medicine, bottles, etc., to be magnified easily.
This device has all the above features but in addition one cannot adjust but has a fixed magnification from X16 on a 14” screen and X24 on a 21” screen.
The
Prisma is a full
color reading magnification CC TV Reading device that offers the user a flexible
way to read books, write and look at photographs and other things that need to
be magnified. It is displayed on a standard television. After use the Prisma can
easily be collapsed and stored in the supplied case. Its features include
Lightweight
and portable
Can the Prisma be used with a computer monitor?
Yes! The Prisma VGA converter is now available as an optional attachment. It is designed to allow the image from your Prisma to be displayed on a computer monitor. The converter operates both with and without a computer. If a computer is attached, you can alternate between the computer's image and the Prisma image by the press of a button.
The Prisma VGA Converter
Who can use the Prisma ?
Prisma is useful to persons suffering from low vision due to retinitis pigmentosa, macula degeneration or other eye problems causing the vision to be substantially lowered needing high magnification at close distances to read, write or view objects/pictures.
Prisma is an ideal low cost device for all ages and can be used:
|
AT SCHOOL/ COLLEGE/ UNIVERSITY: |
For reading of school/college textbooks, and view pictures or magnified images of maps diagrams, graphs, charts, etc. or other study material. |
AT HOME |
To read magazines and view pictures or view photographs of someone you love and is near and dear to you, reading of medicine bottle labels, grocery package or recipe books, telephone/gas bills, letters, telephone diary. |
AT OFFICE |
To read correspondence and write & sign letters, cheques, legal/confidential documents, etc., and helps you to know the contents before you sign on the dotted line. |
AT OLD AGE HOMES |
To read newspapers not only in English but any Indian language and leisure reading - novels, magazines or story books. |
AT LOW VISION CLINICS |
To identify or assess the extent of magnification, distance and the mode (black on white or white on black) in which the low vision patient is comfortable. |
AT LIBRARIES |
For reading in libraries at schools, colleges, universities, low vision centers or welfare organizations.
|
| AT LOW VISION CAMPS IN RURAL AREAS | Since it is portable and can be attached to any home TV, it can be carried to rural areas for field assessments during low vision camps. |
Why Prisma, why not a CC TV?
Prisma is an ideal choice as it is cheaper by almost 50%.
It is light and portable and can be plugged into any standard TV giving you all
the benefits of a CC TV and much more.
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