InformationIf you wear glasses all the time and in particular if the prescription for your
eyes is significantly different between right and left, a pair of clip-on flip-up magnifying glasses may be your best option.
As a rough guide only, you might
try a +1.5 dioptre pair if you don't use separate glasses for reading and distance, or to go with your reading glasses if
you do. In the latter case you might try a 3.5 dioptre pair to go with your distance (only) glasses. Reprinted from Wiki.com
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 clip on magnifiers can help.
What are clip on magnifying glasses and clip on magnifiers?
Clip on magnifying glasses and clip on magnifiers consist of magnifying lenses mounted onto a lens holder that will
clip on to your glasses.
What power clip on magnifiers should
I choose? Shop our store for clip on magnifiers
and clip on magnifying glasses for a power that will allow you to perform your task at a comfortable distance.
The higher the power of the clip on magnifying glasses the shorter the focal range (work
distance) and the smaller the field of view. The very high power clip
on magnifying glasses may not be the best magnifier for you
type magnifier is best? Hand held magnifiers are best for short duration
use and a magnifying lamp or hands free magnifiers such as clip on magnifiers are best for long duration
How does a magnifying glass work?
A magnifying glass 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.
The magnifying glass 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. Wikipedia
large clip on magnifiers selection can help those with presbyopia and macular degeneration.
Field Of View:
of the area being magnified when viewing through a magnifying lens. The higher the power of the clip on magnifier the
smaller the field of view.
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"
is how large an object or print increases as you look through a lens. Magnifying power is expressed as "X"
Measurement from the center of the lens to
to the object and be in focus
The distance from the magnifying lens to the object being viewed.
A flat magnifier consisting of concentric circles that can be a full page reading magnifier.
(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.
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National Eye Health Education Program
- 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.