Following your eye examination, if the doctor determines
that you need corrective lenses, you will be given a copy of your eyeglass
prescription. This prescription can be used in the optical of your choice
for ordering new eyeglasses. Our staff of professional opticians and trained
to assist you in selecting the frame and les options which will maximize
your visual efficiency, while fulfilling your needs for comfort and style.
Frames
There are a variety of materials which are now used
to produce eyeglass frames. In general, you can categorize these into
two primary classes, plastics and metals. In consultation with an optician,
you will decide which frame material and style best suits your individual
needs and lifestyle. In making your selection, you may wish to consider
some of the following:
Primary Use:
full-time daily, reading only, driving only, sports/safety purposes
Frame Style:
which shape, color and size is most appropriate for my face?
Durability:
work environment, lifestyle, hobbies, hypoallergenic needs
Lens Types
Single vision lenses
will correct for myopia (nearsighted), hyperopia (farsighted), and astigmatism.
Multifocal lenses
will correct for both distances and reading vision. Most people will need
this type of lens by the time they are reaching age 40. A multifocal lens
has a magnifying section built into the prescription to allow for clear
vision when reading.
Bifocals have
a line separating the upper distance prescription from the lower reading
prescription.
Trifocals have
two lines which separate the distance, intermediate, and reading segments
of the prescription.
Progressive addition lenses
have no lines to get int the way, and provide clear uninterrupted
vision at all distances.
Lens Materials
Glass lenses, while
once the standard, now account for no more than 5 to 10% of new prescriptions.
Glass lenses are heavier than other types, and may also shatter upon impact.
Plastic lenses are
approximately half the weight of the glass and provide more impact resistance.
Plastic is the most commonly used lens material today.
Polycarbonate lenses
continue to grow in popularity for their characteristic strength, thinness,
and light weight. They are more impact resistant than glass or plastic,
making them ideal for safety glasses, sports activities, and children’s
glasses. People with strong prescriptions often prefer the thinner, lighter
lenses available in polycarbonate material.
Lens Coatings
Scratch resistant
coatings may be applied to the surface of a lens to protect it from scratches
which may interfere with your vision and scatter light. Scratch resistant
coatings may extend the life of your lenses.
Ultraviolet coatings
are recommended to block the UV light from the sun which may contribute
to cataract formation. This is applied to the lens as clear coating.
Anti-reflective
coatings are used to eliminate the reflections of light which commonly
occur on the surfaces of a lens. Anti-reflective coatings may reduce eye
fatigue caused by light reflection and computer use, and may improve vision
when driving in low light conditions by eliminating glare. This coating
will also provide a more natural looking appearance while wearing your
glasses
Special Designs
Aspheric lenses
are designed to minimize the curved surface of the lens, making it flatter
and lighter, and reducing distorted appearances. Aspheric designs are
most helpful when ordering strong prescriptions.
Photochromic lenses
are designed to darken in sunlight, and lighten when indoors. If you enjoy
outdoor activities, or work outside, a photochromic lens may be an ideal
choice.
Polarized lenses
can be incorporated with a sunglass tint to enhance visual contrast when
driving or outdoors. Polarized lenses are able to filter out the glare
produced when light reflects off surfaces such as water and snow.
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