Single Vision Lenses
Single vision lenses function as all purpose glasses for
who have normal accommodation. People who normally wear bifocals or
trifocals can use single vision for distance or near lenses. Single vision
lenses can also function as occupational glasses for certain types of
work. Single vision lenses are available in all lens materials.
These new lenses provide special
visual and cosmetic benefits for stronger corrections and increase edge to
edge clarity. Flatter than conventional lenses, aspheric lenses eliminate the
"bulgy" appearance of strong plus lenses (far-sighted corrections) and
greatly enhance the appearance of finished eyewear. People with strong
nearsighted corrections also benefit from thinner, lighter weight glasses
when their lenses are aspheric. Because aspheric lenses are positioned
closer to the face, there is less eye magnification with farsighted
corrections and less "small eyes" look with nearsighted corrections.
Aspheric lenses are often made of high index materials for the ultimate in
an older style
bifocal form and has limited compatibility with many of today's lens
upgrades. The bifocal portion is made in a variety
of widths to help with various close-up occupations. Flat top bifocals are
made in every type of lens material.
Franklin Style Bifocals
Sometimes used for those who need a wide
field of vision for near work (accountants, for example), Franklin style
bifocals have a distinctive appearance and are thicker because of their
design. They are generally only available in glass, hard resin and
photochromic glass. They are being replaced by wide Flat Top
Trifocals come in a
variety of designs. Flat-top trifocals are the most widely used form. The
added segment provides clear vision at arm's length distance, the area
that is usually bluffed for bifocal wearers. Trifocals are available in
all lens materials.
Progressives (no line
These lenses provide all the
benefits of bifocals but add the feature of continuous clear vision at all
distances, including mid-range distance (arm's length). Progressives have
the cosmetic advantage of appearing to be single vision lenses so they
never reveal the user wears bifocals. Progressives are available in all
lens materials and also made in aspheric form. Because of their many
benefits, they are the lens of choice for bifocal and trifocal
Many occupations impose
demanding visual requirements on those who wear bifocals or trifocals.
Special occupational designs are available to solve these special needs.
If the visual requirements of your job falls into this category, let us
know and we'll explain what will work best for your individual
All sorts of special lens
designs are available for the special needs of sports enthusiasts.
Polycarbonate is usually the material of choice for active
There are a variety of
options for those who use computers. These include special filters and
Polarized Sun Lenses
These are the exciting sunglasses that eliminate reflected glare.
They are especially appropriate for drivers, fisherman, hunters and all
types of outdoors activities.