| POSTAGE SPECIAL: Pay
$8.00 postage for first item ordered.
Free postage on
all your next items. You may mix and match. Your postage will always be $8.00 per order(Domestic orders only). PAYPAL SECURE ORDERING We are verified PayPal sellers. When you place a order
via PayPal Shopping Cart, we receive your order, shipping address and Email address. All your financial information
stays with PayPal and never enters our website. YOU DO NOT HAVE TO BE A MEMBER OF
PAYPAL. YOU MAY PLACE YOUR ORDER AS A GUEST AT CHECKOUT. |
Full Page Magnifier Information: Full Page Magnifier
- Full Page Magnifying Glass - Rules Of Magnification. Magnifiers decrease light transmission. Either provide your own adequate lighting or select a full page magnifier
with light. For best full page
magnifier or full page magnifying glass results wear your glasses. A quality magnifying
page reader is made of acrylic and not PVC and provides magnification that is stronger then your eyeglasses and will
eliminate eyestrain. A Fresnel whole
page magnifier or full page magnifier for reading books consists of a flat plastic lens with concentric grooves on one
surface and a flat surface on the other surface 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 or hands
free full page magnifier for reading books will be of help. 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 full page magnifier 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.
|
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, | 
