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Full Page Magnifier Information: There is no page magnifier that
lays on page that will magnify. A dome agnifier lays flat on page
A Fresnel lens allows for a large-size
lens to be thinner and lightweight compared to a standard convex lens. Perfect for viewing large areas
of print.
Magnification
reduces light transmission. A full page magnifier with light will provide better magnification results.
For best full page magnifier results wear your
glasses
A quality acrylic full page magnifier is
made of acrylic and not PVC and provides magnification that is stronger then your eyeglasses.
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, magnifier page reader or
hands free full page magnifier will be of help. Shop our store for hands free full page magnifier and large full page magnifier with light. 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 magnifier lens This meant that more powerful
and lighter lenses could be used in lighthouses.
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 magnifier 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 magnifier 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. Magnifier 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 magnifier 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 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, | 
