Ads
related to: magnifier for low vision
Search results
Results From The WOW.Com Content Network
Screen magnifiers can be especially helpful for people with low vision, including elderly users. However, in a 2001 paper, Vicki Hanson noted that people with low vision often also have additional disabilities such as tremors. [1]
The display screen is usually LCD or a similar flat-screen technology (although older video magnifiers have used CRT displays), and the device usually includes a lamp to illuminate the source material. Video magnifiers are designed to be mostly used by people with low vision that cannot be helped using a conventional magnifying glass.
The software is intended to help individuals with "early vision loss, computer vision syndrome, and visual impairments such as macular degeneration and glaucoma". [5] ZoomText has dual monitor support and is capable of magnifying the screen up to 60 times; it also allows the user to choose which part of the screen is magnified.
A screen magnifier is software that interfaces with a computer's graphical output to present enlarged screen content. It allows users to enlarge the texts and graphics on their computer screens for easier viewing. Similar to desktop video magnifiers, this technology assists people with low vision.
Such magnifiers can reach up to about 30×, and at these magnifications the aperture of the magnifier becomes very small and it must be placed very close to both the object and the eye. For more convenient use or for magnification beyond about 30×, a microscope is necessary. Fresnel lenses are used as magnifiers, for example for reading ...
Virtual Magnifying Glass is an open-source, screen magnification tool for Microsoft Windows and Linux.. Virtual Magnifying Glass is designed for the visually impaired and others who need to magnify part of the computer display.
Ad
related to: magnifier for low vision