On Fri, 29 Dec 2006 19:34:54 -0500, louise <louise@invalid.invalid> wrote:
Louise,
You're leaving out a lot of information- Rx, visual acuities, eye health- so the
best I can do is throw out some educated guesses...
I've been wearing progressives for many years and finally
ended up with the Varilux Comfort because I was able to
adjust to it. However, the poor peripheral vision
performance of the lens has made me look further now that I
have a new prescription.
The peripheral blur is probably due to the astigmatism, not the Varilux Comfort
design.
I am highly astigmatic and the reading section of my lenses
has just been altered to +3.25
Do you mean the "add for reading/near" is +3.25? If so, that implies that there
are some medical problems with your eyes.
At first the reading was at +3 and I was given the Definity
lens. However, I got headaches and the eye doctor re-did
the prescription and moved the reading to 3.25. I could no
longer use the Definity lens.
Increasing the add power will increase off-axis blur, general discomfort, and
decrease the field of vision at all distances. One might decide to keep the add
power in the +2.50 to +2.75 range, especially if you are using separate readers
for extended near tasks.
Now the Shamir Creation is being recommended. I've looked
at the Shamir site and I don't fully understand how to
assess whether the Creation, or another kind, would be
better for me. I understand the central column, but I don't
understand the yellow and green sections that look like
footprints

.
Shamir's Autograph lens might be a better option if the astigmatism is more than
three diopters. These types of designs incorporate atoric surfaces, increasing
the field of clearest vision when there is a considerable amount of astigmatism.
I use the glasses mostly for driving, movies, museums and
only for reading when I'm out in the world. I have a
separate pair of reading glasses for the house and a
separate pair of computer/office glasses.
Well, that makes the choice of a +3.25 add extremely suspect for the everyday
glasses. Make sure you're comfortable reading at 12" if that's the power they
feel is necessary for the readers.
How does the Shamir Creation compare to the Definity? Or
perhaps the better question, given that my lenses are around
$500 and I don't want to make a mistake, how do I figure out
what might be best for me?
Louise
The first thing to consider is reducing the add power. That might be enough to
make any of the lenses that you've mentioned much more wearable. Either way, if
you want an increase in visual refinement and comfort, I'd consider Hoya's ID
and Rodenstock's Impression ILT designs.
Hope this helps,
Robert Martellaro
~~~~~~~~~~~~~~~~~~
Optician/Owner
Roberts Optical
Wauwatosa Wi.
~~~~~~~~~~~~~~~~~~
"An expert is a person who has made all the mistakes that can be made in a very narrow field."
- Niels Bohr