Like I said, adult PD does not change. So, here's another approach
that may work for you.
At the place you got your last pair of glasses, have them print out
your records. It should show not only your prescription, but also the
PD number. A friend did this at Sears, and all the information was
there, on the printout, and given with no questions.
Just out of curiosity, how are you approaching/asking the doctors and
optometrists? Remember that many of them feel threatened by online
purchasers, so they can react badly. I've never had one deny me the
measurement, but some have quoted me a price. That's where my $5
figure came from...and that's fair, since they'd be doing (minimal)
work in providing me with the measurement.
Maybe it's just a regional thing...the nearest big city to me is Dallas, TX.
As to buying the pupilometer, as was said above, many doctors just do
it with a ruler. So, the added precision of most pupilometers will
probably serve you well. And, you can measure your friends, too!
-- Chuck Knight (gadget nut)
On Wed, Apr 28, 2010 at 11:25 PM, G00G00L <[email protected]> wrote:
> It would be overkill if there are actually optometrists and opticians
> in my area who would be willing to just give me the numbers. Some
> people have gotten pretty nasty just for asking for the magical PD
> numbers. So your point is well accepted, but I'm also curious as to
> whether the some of these gadgets are accurate enough. After all,
> it's my money to spend, right? :)
>
> On Apr 28, 8:26 am, Chuck Knight <[email protected]> wrote:
>> This is just for your own personal use? While I'm a big fan of
>> gadgets, having your own pupilometer is a bit of overkill.
>>
>> Just run to your local WalMart/Sams/CostCo/Sears/Barnes/etc and ask
>> them nicely to measure your PD. Even if they charge you (I've never
>> been charged) you'll come out way ahead.
>>
>> Adult PD does not change...and even if it did, at $5 per measurement
>> you could be measured 18 different times before reaching $90.
>>
>> -- Chuck Knight
>>
>>
>>
>> On Mon, Apr 26, 2010 at 10:56 PM, G00G00L <[email protected]> wrote:
>> > I've tried the ruler method and the holes in the sticky pad as well,
>> > but I'd also like to increase my accuracy. Are there any relatively
>> > cheap pupilometers? My retail rx glasses would have cost me about
>> > $200, so I figure paying up to $100 for something that will get me an
>> > accurate PD will be great since no optician or optometrist I've talked
>> > to so far are lifting a finger to help me out here.
>>
>> > 1. There is a $90 digital one on ebay, but I don't know whether the
>> > cost is worth it. I could get a more futuristic looking one for $140,
>> > but is the price premium worth it?
>>
>> > 2. Orhttp://www.ppm-optics.com/has a pocket pupilometer that seems
>> > like it could work ok, but I don't know how to order it from them.
>>
>> > 3. I ordered a $1.29 from SelectSpecs, but it has yet to arrive.
>>
>> > What are your experiences on inexpensive specially made measuring
>> > devices for PD?
>>
>> > Thank you.
>>
>> > --
>> > Check us out at the oft-updatedhttp://glassyeyes.blogspot.com!
>>
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