Hi

I would recommend Aquagoggles.com to anyone looking for
prescription swim googles.  I have owned two pairs and
have been pleased.  A Canadian company makes them and
they go up to 10 diopteras for the really nearsighted
(like me) and they run only about $30.

Ron Perry

-----Original Message-----
From: gccmail-manager@xxxxxxxxxxxxxxx [mailto:gccmail-manager@xxxxxxxxxxxxxxx] On Behalf Of Jim Gross
Sent: Sunday, January 03, 2010 7:55 AM
To: gccmail@xxxxxxxxxx
Cc: vicrush@xxxxxxxxx; vicrush@xxxxxxx
Subject: Re: GCCMail: Prescription eyewear for cycling.

Good points, Victor.  If anyone is thinking about wrap arounds with
corrections that include a progressive lens, I'd recommend getting
some advice from one or more opticians before you buy.  I bought a
pair hoping they would be the ultimate outdoor activity sunglasses.
Not so.  Just as Victor noted, too much peripheral distortion.  I
don't need much of a correction anymore because cataracts hit me early
in life (alas, the life of a geologist).  I have silicone implant
lenses in both eyes that take me to near 20-20.  However, I need a
reading correction.  The progressive reading correction in the wrap
around lens design produces quite a bit of distortion.

Jim

On Jan 2, 2010, at 10:16 PM, Victor Rush wrote:

> Hi All
> I wanted to thank all of you for your advice on prescription
> sunglasses for cyclists. Many of you asked me to give a report on
> what I found.
> My Initial hope was that I could get a great set of wrap around
> glasses like those of you who do not have prescriptions or those
> that have contact lenses (I can't wear contacts).  My hopes were
> dashed when I found out that the highest prescription values that
> you can have for a wrap around is between +3.00 to -6.00 diopters
> for spherical prescription (standard farsighted/myopic vision) and
> +/- 3.00 diopters for cylindrical (astigmatism).  The standard for
> wrap around lenses is about -3.00. The maximum numbers I have given
> you are for Spy+ sunglasses. I require prescriptions of >=-7.00 and
> 2.00 each.
> If your prescription is not that significant (<-6.00 and <+/-2.00
> your options are excellent.  These options are the following:
> 1)	Prescription framed glasses and wrap arounds. These tend to be
> pretty good but they can have significant distortion with items in
> the periphery. The worse your sight and especially your astigmatism
> the worse the peripheral distortion.  You will need to make sure
> that the framed or wrap around lenses can handle the prescription.
> I recommend that you talk with your O.D. to determine which company
> will provide you with the best option.
> 2)	Prescription Inserts.  Inserts sit between the coated lens
> (sunglasses) and your eye. Inserts are the only option for those of
> us who have bad vision and cannot handle contacts.  The problem with
> Inserts is the thickness of the glasses. You will need to spend the
> big bucks for such things as high Index polycarbonate lenses. These
> get expensive!  In addition your peripheral vision will be
> nonexistent since the lenses will only give you good sight in the
> forward direction. Even so the  can be rather annoying.
> Prescription inserts are the only option for those with significant
> myopia or astigmatism.
> Your choice of brands is a personnel preference.  The following
> brands have excellent options for prescription glasses.
> 1)	Rudy Project
> 2)	Bolle
> 3)	Oakley
> 4)	Spy+ (these have the highest diopter ratings of any I have found)
> 5)	Smith Optics
> Cheers, Victor
>
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