Spectacle Frames
Styles of FrameFull Frame click for examples
This is the most conventional kind of frame, where the lenses are enclosed all
around by a frame. They are the most sturdy of frames, but are more obvious
when they are being worn, although this can be good for people who want to make
a statement with their glasses.
Half-eye Frames click for examples
Normally used for people who need to wear glasses only for reading, the distance
between the lenses is slightly greater than a conventional frame so it
sits lower down the nose than normal, and the top rim is normally flat. This
enables the wearer to see close objects by looking down through the lenses,
then look over the tops of the lenses for looking at things that are further
away.
Semi-Rimless or Supra Frames click for examples
These frames have a metal (or more occasionally plastic) rim around the top
of the lenses, with the lens being held in place by a nylon cord that runs through
a groove around the rest of the lens. Normally the exposed edge of the lenses
is polished so that it is less noticeable. These frames are less noticeable
than a full frame, and because there is less metal used in the manufacture of
the frame, they are also lighter. Because the bottom edge of the lens is exposed,
it is more susceptible to damage, so we recommend the use of polycarbonate lenses
to prevent the lenses from chipping.
Rimless Frames click for examples
With these frames, there is no rim around the lenses, so they are the least
noticeable of all spectacle frames. Because there is very little metal used
in the construction, glasses made like this are the lightest that are available.
The frame is attached to the lenses by small bolts that are passed through holes
drilled in the lenses. This makes the lenses more fragile, so again we recommend
that polycarbonate lenses are used to reduce the chance of any damage occuring.
Modification of the lens shape is also available upon request.
Plastic (Acetate) click for examples
Plastic frames rest directly across the nose rather than relying on nosepads
for support. This increased area spreads the weight of the frame more evenly,
and some people find these frames more comfortable to wear. The use of plastic
as a frame material has become more fashionable over the last few years, featuring
heavily in the ranges of Armani, Jai Kudo and others. These are a world away from the NHS plastic frames of the past.
Nickel \ Monel click for examples
These are the standard alloys that most spectacle frames are made from, with
an electroplated covering over the top. Frames made from these materials are
not as strong as other materials, but should the frames break, they are able
to be welded back together. Just as with cheap jewellery, some people can have
an allergic reaction to these materials, causing red marks to appear where the
frame touches the face, or increased corrosion of the frame along the sides.
Stainless Steel & Titanium
These materials are hypoallergenic, and they benefit from being stronger and
lighter than conventional metals. Frames made from these materials can therefore
be made thinner without compromising strength, which increases the reduction
in the weight of the frames.
Memory Metals
Originally marketted under the brand name Flexon, there are now several
brands of frame available using this technology. Certain areas of the frame
are made from a flexible metal, allowing the frame to return to shape when it
has been twisted or bent. Other portions of the frame are made from more conventional
materials, so the frame can still be adjusted to provide a comfortable fit.