Hand Held Magnifying Glass Information
Shop our magnifying store for hand held magnifying glass with light, strong
hand held magnifying glass for reading. We stock high power hand held magnifiers for the visually impaired
and handheld magnifying glass for reading with light.
Why you may need a hand held magnifying glass. As you enter middle age your near vision acuity changes and you have trouble seeing small print
This condition is called presbyopia.
A hand held magnifying glass is also helpful for vision impaired eye conditions such as: macular degeneration, glaucoma cataracts.
What you should consider in a hand held magnifying glass with light.
Magnifier glass power and work distance:
- Select a hand held magnifying glass with a power that will allow
you to perform your task at a comfortable distance.
- The higher the power of the hand held magnifying glass the shorter the focal range(work distance).
- The high power hand held magnifier may not be the best magnifier for you.
- For best hand held magnifying glass with light results wear your
Should I choose a hand held magnifying glass with light?
Magnification reduces light
transmission. A hand held magnifying glass will provide a sharper
and clearer image.
lenses. The hand held magnifying glass models we
have selected contain aspheric l;enses to prevent edge distortion.
Ease of use. The hand held magnifiers are ergonomically designed for comfort and for long duration use
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 magnification is the answer.
What type magnifier is best? A hand held magnifying glass is best
for short duration use and a hands free magnifying lamp or hands free magnifier with stand are
best for long duration use.
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
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 magnifier consisting of concentric circles that can be a full page 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.
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
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