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Full Page Magnifier Information: Lighting: Magnifiers decrease light transmission. A hands free full
page magnifier with light, full page reading magnifier with light or full page lighted magnifier
provides a sharper and clearer image. Reading Distance/Work Distance: A full page magnifier for
reading or magnifying page reader has a focal range of about 4 inches from the reading material. There is no full page
magnifier that lays on page that will magnify. A dome magnifier lays on page. Large full
page magnifiers. After the age of about forty you will experience a problem viewing
small print and tasks involving close detail work. This eye condition is called presbyopia and a full page magnifier with light and stand magnifying page
reader or hands free full page magnifier for reading books will be of help. Shop our store for hands free full page magnifier, large full page magnifier with
light and magnifying page reader Originally invented by Augustine Fresnel. The original Fresnel lenses were used to magnify
the lighthouse beacon light. A Fresnel lens is thinner then a ordinary convex magnifying lens This meant that more powerful
and lighter lenses could be used in lighthouses.
| Need help in reading but
an ordinary magnifier only enlarges a small section of the page. - A hands
free full page magnifier, magnifying page reader or magnifying page reader will magnify a whole
page.
- Make reading
more enjoyable with our optical quality Fresnel page magnifiers and magnifying glass for full
page reading that eliminate eye strain.
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Our large magnifier selection can help those with presbyopia and macular degeneration . Field Of View: The size of the area being magnified when viewing through a magnifying lens. The higher the power of the magnifier
the smaller the field of view.
Diopter: Diopter is a measurement that is used to calculate the power of a magnifying lens. The higher diopter will
provide higher magnification. Diopter is expressed as "D" Power: Power is how large an object or print increases as you look through a lens. Magnifying power is expressed as
"X" Focal Length: Measurement from the center of the lens to
to the object and be in focus . Focal Range: The distance from the magnifying lens to the object being viewed. Fresnel Magnifier: A flat page magnifier consisting of
concentric circles.
Visual impairment (or vision impairment) is a decreased ability to see to a degree that causes problems not fixable by usual means, such
as glasses or medication. Our low vision magnifiers can be of help. Rules
Of Magnification. - The
higher the power of the lens, the closer you must get to the object being viewed and the smaller the field of
view.
- As the power
of a lens increases the diameter of the lens decreases.
- Diopter is a term used to determine the power(magnification}of a lens. The
terms are sometimes confused.
Full Page Magnifier Links The American Foundation for the Blind The National Federation of the Blind Bookshare National Library Service for the Blind and Physically Handicapped Paths To Literacy Classroom National Eye Institute Optometry Cares American Action Fund for Blind Children & Adults MD Support National Eye Health Education Program, | 
