Select a magnifying visor or visor magnifier with a
power that will allow you to perform your task at a comfortable distance. To strong maybe to close. The higher the power of the magnifier visor lens,
the closer you must get to the object being viewed and the smaller the field of view. Attributes Of A Magnifying VisorLight weight: A
magnifying visor that is too heavy will be uncomfortable. Adjustable: The magnifier should be adjustable for a good fit. Padded: Select a magnifier that is padded for head wearing comfort. Lighted: If lighting conditions are poor a magnifying visor with light
is advisable. Wear with
your glasses. All of our visor magnifiers can be worn with glasses. Flip up-Flip Down: Most
of our models will flip up and out of the way.
Coated
lenses: Coated lenses will protect the lenses from scratches, mars and reduce glare. How does a magnifier
work? A magnifier is a lens
through which can be used to make things appear bigger, so you can see them better. It is used in many applications
and manual operations, e.g., for examining postage
stamps . The magnifier
consists of a piece of convex shaped glass or plastic. It has to be held at the right distance between the eye and the
object for the object to be in focus. The magnifier usually comes with a handle. A telescope is a more advanced kind of magnifier and consists of at least two
glass lenses. Source: https://simple.wikipedia.org/wiki/Magnifying_glass     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 magnifier consisting of concentric circles
that can be a full page reading magnifier. 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. . Our large visor magnifier selection
can help those with presbyopia and macular degeneration
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