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Here
are some of the most common questions about vision and some
of our products. We welcome your own questions about
vision, glasses or contact lenses. E-Mail
us and we will give you a personal reply.
For
informational purposes only. If vision problems persist
please visit a qualified eye care professional.
What
is Nearsightedness?
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Nearsightedness
(myopia) is a vision condition in which near objects are
seen clearly, but distant objects do not come into proper
focus. Nearsightedness is a very common vision condition
that affects nearly 30 percent of Americans. It could
be hereditary, although too much close vision work is another
cause. You may have difficulty seeing distant objects
like a movie or TV screen or chalkboard.
What
is Farsightedness?
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Farsightedness
(hyperopia) is a vision condition in which distant objects
are usually seen clearly, but close ones do not come into
proper focus. Common signs of farsightedness include
difficulty in concentrating and maintaining a clear focus
on near objects, eye strain, fatigue and/or headaches after
close work, aching or burning eyes, irritability or nervousness
after sustained concentration.
What
is Astigmatism?
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Astigmatism
is when the front surface of your eye, the cornea, is slightly
irregular in shape. This irregular shape prevents
light from focusing properly on the back of your eye, the
retina. As a result, your vision may be blurred at
all distances. People with severe astigmatism will
usually have blurred or distorted vision, while those with
mild astigmatism may experience headaches, eye strain, fatigue
or blurred vision at certain distances. Most people
have some degree of astigmatism.
What
are the advantages of thin, light (polycarbonate)
lenses?
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The
main feature of polycarbonate lenses are that they are lightweight,
safer, and thinner than ordinary plastic. Polycarbonate
is a thin, impact resistant lens material and is extremely
lightweight. Polycarbonate is typically prescribed
for patients under the age of 18, monocular (one-eyed) patients,
athletes, and patients whose hobbies or occupation may put
them at risk for eye injury.
Thin
(High Index) lenses vs polycarbonate
lenses?
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High
index lenses can be thinner than polycarbonate due to their
superior ability to bend light (high index). High
index lenses usually offer superior optics as well, but
do not provide the safety and weight advantages of polycarbonate.
What
are the advantages of anti reflective
coatings?
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When
light rays hit the front surface of a lens, two things happen.
- Light
goes to the back of the eye - providing sight
- Light
reflects off the lens surface
In
general, the purpose of the coating is to reduce glare and
improve night vision by passing more light to the back of
the eye. Anti-reflective or "AR" coatings
eliminate nearly all reflections in the lens and allow others
to see your eyes. They are recommended for night driving
problems helping you see better and look better too!
I
have astigmatism...can I wear Contact Lenses?
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Yes!
In most cases contact lens wear is still a viable option.
Regular soft lenses do not correct astigmatism, though they
do correct for farsightedness and nearsightedness.
In order to correct astigmatism, a "toric" lens
is required. The toric contact lens is specially weighted
to rotate to a specific position on the eye, thus correcting
the astigmatism. In addition, rigid gas-permeable
contact lenses are excellent at correcting larger amounts
of astigmatism.
Why
are Progressive or no-line lenses
such a popular choice? Back
to Top
The
lined bifocal has basically two set focal points...one for
distance , one for near (hence the name, bi-focal.
A progressive lens, in addition to having cosmetic advantages,
has a set focus point at distance, a focusing point for
near, and gives a number of intermediated focal points to
expand the range of clear vision over traditional bifocal
lenses. As the eye moves downward with respect to
the lens, the magnification by the lens increases such that
the focusing point becomes progressively closer to the observer
the more the eye is lowered. For more information
on this, visit Varilux®,
the originators of no-line lenses.
How
often should I have my eyes examined
?
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Your
eyes are very important. There are many
sight threatening conditions that have no associated symptoms.
Thus, you may never know if your eye health is in jeopardy
until it may be too late. For example, glaucoma is
one of the many eye diseases that have no symptoms until
the disease is significantly advanced. The adult eye
should be monitored at least every one to two years
to ensure healthy eyes and vision, children should be checked
yearly.
Would
you like to know more about any of these, or do you have
a question about vision, frames, lenses or our optical center?
E-Mail us.
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