Low vision aids
Low Vision Aids
Low vision aids (pronunciation: loʊ ˈvɪʒən eɪdz) are devices designed to help people with visual impairments or low vision to perform daily activities more easily and independently.
Etymology
The term "low vision aids" is derived from the English words "low" (meaning "small in amount"), "vision" (from the Latin "visio", meaning "sight"), and "aids" (short for "aide-de-camp", a French term meaning "helper").
Types of Low Vision Aids
There are several types of low vision aids, including:
- Magnifying glasses: These are handheld devices that use a convex lens to enlarge the appearance of objects.
- Telescopic glasses: These are eyeglasses fitted with small telescopes to help with distance vision.
- Reading machines: These are electronic devices that scan printed material and read it aloud or display it in large print.
- Screen magnifiers: These are software programs or physical devices that enlarge the display on a computer or television screen.
- Electronic magnifiers: These are handheld or desktop devices that use a camera and screen to enlarge printed materials or objects.
Related Terms
- Visual impairment
- Low vision
- Magnifying glasses
- Telescopic glasses
- Reading machines
- Screen magnifiers
- Electronic magnifiers
External links
- Medical encyclopedia article on Low vision aids
- Wikipedia's article - Low vision aids
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