If 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
Attributes Of Clip On Magnifiers.
Hands free magnifying eyeglasses .
Clips on to most frames and will add magnification to your
Clip on magnifying glasses for cross stitch, sewing, embroidery, beading, needlework.
up when not in use.
Best arts and crafts magnifiers.
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 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 use.
Magnifier glass power and work distance: Select clip on magnifying glasses
that will allow you to perform your task at a comfortable distance.
The higher the power of the clip on magnifiers the shorter the focal range(work distance) and the smaller the
field of view. The high power magnifier may not be the best magnifier for you.
Excellent for small detail tasks or reading small print
Prism lenses eliminates eye fatigue
Allows hands free use.
Clips on to most eyeglasses
up when magnification is not needed and flips down for magnification.
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.
Accredited Gemologists Association
Industrial Diamond Association of America, Inc.
International Watch & Jewelry Guild
Jewelers of America
Jewelry Industry Distributors Association
Women’s Jewelry Association
American Watchmakers-Clockmakers Institute
Knitting, Crochet, and other Needlecrafts
How To Knit
How To Knit Beginners
How To Sew
Basic Sewing Stitches
How to Crosstitch
How To Do Needlework
The American Foundation for the Blind
The National Federation of the Blind
National Library Service for the Blind and Physically Handicapped
Paths To Literacy
National Eye Institute
American Action Fund for Blind Children & Adults
Children's Eye Foundation
Sight for Students
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.