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The Bausch and Lomb Sight Savers Magna-Page Page Magnifier is a high quality rigid frame page magnifier. Its 2x power Fresnel lens is sturdy and shatterproof. Excellent for reading fine...
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The UltraOptix Handi-Lens Magnifier - Large Pocket Size is a 2x power flexible plastic Fresnel lens magnifier. Great for enlarging print of newspapers, dictionaries, telephone directories, maps and more. To...
A page magnifier can be a good choice for magnifying text or numbers. They come in a variety of sizes. The most common size is 8 inches x 10 inches (about the size of a standard sheet of paper). Smaller wallet sizes and bookmark sizes are also available.
Page magnifiers are made using a Fresnel lens. A Fresnel lens provides magnification via a series of slightly raised concentric circles. This is one of the only ways to produce magnification on a thin, flat sheet, where the lens has no curvature. (With a traditional handheld magnifying glass, the curvature and thickness of the lens is directly related to the magnification power.)
This type of magnifier must be held about 3 to 4 inches above what you are trying to magnify in order to provide magnification. They will not provide any magnification when laid directly on top of your reading material. This is due to the optical properties of magnifiers and the size and shape of the page magnifier.
The magnification is limited to about 2x magnification power. This is attributable to their large, flat size and the use of the Fresnel lens.
Full page magnifiers are great for occasional use if you need just a little extra help seeing small print. They are not generally recommended for low vision conditions such as macular degeneration however.