Surgical Loupes: Factors That Define Their Differences

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Surgical Loupes Factors That Define Their
Differences
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• A surgical loupe is a magnification device that
  helps you see small objects. Unlike the usual
  surgical microscope, a surgical loupe is worn in
  your head or as a sort of eyeglass. It has no
  handle and it is also easier to use. It can help
  you get rid of eye strain by enlarging small
  objects or tiny subjects when conducting
  precision operations or precision examination.

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Selecting the Right Surgical Loupes

• Although surgical loupes share the same purpose
  and use, they are not made equal. Since there are
  different types of loupes available in the market
  today, you have to know how to pick the right one
  for you. Here are some major factors that will
  help you select the best surgical loupes.

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Magnification
The magnification level is considered as the most
subjective factor that you need to consider when
choosing the right surgical loupes for you. If
you want to see a larger image, try to get a
loupe with higher magnification. But remember
that the higher the magnification is, the smaller
the field of view and the shorter the depth of
field will be.
If you are not yet sure what will work best for
you, settle for 2.5x or 3.0x magnification
factor. This level is applicable for simple
surgical cases. If you need a loupe that you can
use when performing a more complicated or
delicate medical procedure, pick the one with at
least 3.5x to 4.5x magnification factor. You can
use higher magnification surgical loupes when you
are conducting a microsurgery or perhaps when
working with a very small area.
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Working Distance
The working distance is the distance between the
lens of the loupe and the top area of your
subject. In order to get the right working
distance, try to sit down or stand up comfortably
without bending your back or leaning forward too
much and then place one end of the measuring tool
on your eyes and the other end at the top of the
subject as shown below.
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Interpupillary Distance
The interpupillary distance is the distance
between the pupil of your right eye and the pupil
of your left eye. In selecting surgical loupes,
opt for the one that you are comfortable with.
For utmost comfort, you must pick the type of
surgical loupe that perfectly fits your eyes. You
can ask an optometrist for the exact measurement
of your interpupillary distance.
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Depth of Field
The depth of field is directly associated with
the magnification factor and the working distance
of the loupes. It is the amount of depth that
will stay in focus when you look at the subjects
while wearing surgical loupes.
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Field of View
The field of view of the surgical loupe includes
all the things that you can see when you focus
your sight in one direction while wearing the
loupe. When picking the right surgical loupe,
always remember that if the loupe has a longer
working distance, its field of view is also
greater and if the magnification factor is lower,
its field of view is also larger.
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