https://whiterup.com/products/perfec...rjmVX9-8QRmdC8

bet it doesn't allow for Astigmatism ...

They do look intriguing. I use and like varifocals but there are times (and
in differing circumstances) where they're not ideal and a single
prescription pair would be better. These might fit that bill.

On 27/08/2019 17:22, Bert Coules wrote:
They do look intriguing.Â* I use and like varifocals but there are times
(and in differing circumstances) where they're not ideal and a single
prescription pair would be better.Â* These might fit that bill.
1.25 and 1.5 from poundland do me....

Not an approach I'd considered, I must admit. The appeal of the ones in the
link of course is that they seem to be continuously variable: I can see that
being useful.

Jim GM4DHJ ... wrote:
https://whiterup.com/products/perfec...rjmVX9-8QRmdC8

Could be interesting. But I can't find any reviews.

In article ,
Bert Coules wrote:
Not an approach I'd considered, I must admit. The appeal of the ones in
the link of course is that they seem to be continuously variable: I can
see that being useful.

A multi element lens is not going to be ideal for specs.

--
*Why do the two "sanction"s (noun and verb) mean opposites?*

Dave Plowman London SW
To e-mail, change noise into sound.

"Mr Pounder Esquire" wrote in message
...
Jim GM4DHJ ... wrote:
https://whiterup.com/products/perfec...rjmVX9-8QRmdC8

Could be interesting. But I can't find any reviews.



wonder what else will be diy soon ....

https://www.ebay.co.uk/p/D-I-Y-Denti...RoCw0UQAvD_BwE

"Jim GM4DHJ ..." wrote in message
...
https://whiterup.com/products/perfec...rjmVX9-8QRmdC8

bet it doesn't allow for Astigmatism ...

bet they aren't very durable either

tim

"Jim GM4DHJ ..." wrote in message
...
On 27/08/2019 17:22, Bert Coules wrote:
They do look intriguing. I use and like varifocals but there are times
(and in differing circumstances) where they're not ideal and a single
prescription pair would be better. These might fit that bill.
1.25 and 1.5 from poundland do me....

not an option for people with short sight

On 27/08/2019 17:22, Bert Coules wrote:
They do look intriguing.Â* I use and like varifocals but there are times
(and in differing circumstances) where they're not ideal and a single
prescription pair would be better.Â* These might fit that bill.

I have varifocals plus a proper set of single prescription lenses set up
for computer use. I add to these clip-ons at +1.5 and +3 diopter for
reading small text and for close-up work.

eg eBay item 172952541377

Being a bit nerdy I would worry not only about astigmatism but other
aberrations in things like this.

On 27/08/2019 17:22, Bert Coules wrote:
They do look intriguing.Â* I use and like varifocals but there are times
(and in differing circumstances) where they're not ideal and a single
prescription pair would be better.Â* These might fit that bill.

IIRC they showed something similar on tomorrows world a long time ago.

They have also been suggested for third world countries too, using cheap
syringes for the fluid.

On 27/08/2019 17:07, Jim GM4DHJ ... wrote:
https://whiterup.com/products/perfec...rjmVX9-8QRmdC8


bet it doesn't allow for Astigmatism ...

They were initially designed for third world countries. I cam across
them 6 or 7 years ago.

On 27/08/2019 21:41, Fredxx wrote:
On 27/08/2019 17:07, Jim GM4DHJ ... wrote:
https://whiterup.com/products/perfec...rjmVX9-8QRmdC8


bet it doesn't allow for Astigmatism ...

They were initially designed for third world countries. I cam across
them 6 or 7 years ago.

I didn't know you had been to Ireland.

--
Adam

On 27/08/2019 20:25, tim... wrote:

not an option for people with short sight

"fully adjustable (-6D to + 3D)"

On 27/08/2019 21:41, Fredxx wrote:
On 27/08/2019 17:07, Jim GM4DHJ ... wrote:
https://whiterup.com/products/perfec...rjmVX9-8QRmdC8


bet it doesn't allow for Astigmatism ...

They were initially designed for third world countries. I cam across
them 6 or 7 years ago.

Yeah, they are nothing new.

Third world countries now have testing/glazing centres though, where
they can get an eye exam and a 'proper' pair of glasses made.

These adjustable ones are handy to replace ready readers I suppose.

dennis@home wrote on 27/08/2019 :
IIRC they showed something similar on tomorrows world a long time ago.

I remember those!


They have also been suggested for third world countries too, using cheap
syringes for the fluid.

Do these use a liquid lens?

R D S was thinking very hard :
These adjustable ones are handy to replace ready readers I suppose.

Seems simpler and much cheaper to just carry a spare pair of readers of
the correct diopter.

On 27/08/2019 20:41, newshound wrote:
On 27/08/2019 17:22, Bert Coules wrote:
They do look intriguing.Â* I use and like varifocals but there are
times (and in differing circumstances) where they're not ideal and a
single prescription pair would be better.Â* These might fit that bill.

I have varifocals plus a proper set of single prescription lenses set up
for computer use. I add to these clip-ons at +1.5 and +3 diopter for
reading small text and for close-up work.

eg eBay item 172952541377

Being a bit nerdy I would worry not only about astigmatism but other
aberrations in things like this.

Always blame the varifocals if you fall down some pub steps when ****ed up.

The one thing that I have never really got used to with my varifocals
are the cut and cornered paving slabs in shopping precincts that rise
and fall in height for disabled access to buildings.

--
Adam

tim... wrote:


"Jim GM4DHJ ..." wrote in message
...
https://whiterup.com/products/perfec...rjmVX9-8QRmdC8


bet it doesn't allow for Astigmatism ...

bet they aren't very durable either

tim



What do you for dirt between the lens?

Bert Coules wrote

They do look intriguing. I use and like varifocals but there are times
(and in differing circumstances) where they're not ideal and a single
prescription pair would be better. These might fit that bill.

Yeah, just ordered some.

I normally wear what works best for the computer screen and
now find it hard to read the shelf labels in the supermarket etc.
Be handy to be able to change the prescription on the fly for that.

On Tue, 27 Aug 2019 21:25:13 +0100, "dennis@home"
wrote:

On 27/08/2019 17:22, Bert Coules wrote:
They do look intriguing.* I use and like varifocals but there are times
(and in differing circumstances) where they're not ideal and a single
prescription pair would be better.* These might fit that bill.

IIRC they showed something similar on tomorrows world a long time ago.

They have also been suggested for third world countries too, using cheap
syringes for the fluid.

I think these don't have fluid - in fact I was looking for variable
glasses some time ago, and nobody makes that type. These glasses have
two sliding lenses giving different strengths depending on sideways
separation. However it can't really be done because the horizontal
power will not be the same as the vertical power, resulting in
astigmatism, but seemingly not noticeable judging by the glowing
reviews.
--
Dave W

On Tue, 27 Aug 2019 20:25:04 +0100, "tim..."
wrote:



"Jim GM4DHJ ..." wrote in message
...
https://whiterup.com/products/perfec...rjmVX9-8QRmdC8

bet it doesn't allow for Astigmatism ...

bet they aren't very durable either

tim

One of the reviews said don't use them on the beach because the sand
gets between the lenses.
--
Dave W

"newshound" wrote in message
o.uk...
On 27/08/2019 17:22, Bert Coules wrote:
They do look intriguing. I use and like varifocals but there are times
(and in differing circumstances) where they're not ideal and a single
prescription pair would be better. These might fit that bill.

I have varifocals plus a proper set of single prescription lenses set up
for computer use. I add to these clip-ons at +1.5 and +3 diopter for
reading small text and for close-up work.

eg eBay item 172952541377

Doesnt work.

Being a bit nerdy I would worry not only about astigmatism but other
aberrations in things like this.

I know I dont have any of those from the proper professional eye test

On 28/08/2019 01:13, Dave W wrote:
On Tue, 27 Aug 2019 20:25:04 +0100, "tim..."
wrote:



"Jim GM4DHJ ..." wrote in message
...
https://whiterup.com/products/perfec...rjmVX9-8QRmdC8

bet it doesn't allow for Astigmatism ...

bet they aren't very durable either

tim

One of the reviews said don't use them on the beach because the sand
gets between the lenses.

they are just bloody binoculars...

On 27/08/2019 21:53, Harry Bloomfield wrote:
R D S was thinking very hard :
These adjustable ones are handy to replace ready readers I suppose.

Seems simpler and much cheaper to just carry a spare pair of readers of
the correct diopter.
pound shop readers are great I have them everywhere for convenience....

On 27/08/2019 17:07, Jim GM4DHJ ... wrote:
https://whiterup.com/products/perfec...rjmVX9-8QRmdC8


bet it doesn't allow for Astigmatism ...

and who wants to look like Joe 90


https://www.amazon.co.uk/Joe-90-DVD-.../dp/B00006LSGB

On Wednesday, 28 August 2019 07:10:25 UTC+1, Jim GM4DHJ ... wrote:
and who wants to look like Joe 90

Some people must

https://www.glassesdirect.co.uk/glas...4&aspect=front

Owain

On 27/08/2019 21:51, Harry Bloomfield wrote:
dennis@home wrote on 27/08/2019 :
IIRC they showed something similar on tomorrows world a long time ago.

I remember those!


They have also been suggested for third world countries too, using
cheap syringes for the fluid.

Do these use a liquid lens?


No, they have two rather complex lenses that slide over each other. The
final picture on the website shows how they work. Quite clever, but I'd
have thought there's a lot of distortion.

On 27/08/2019 17:07, Jim GM4DHJ ... wrote:
https://whiterup.com/products/perfec...rjmVX9-8QRmdC8


bet it doesn't allow for Astigmatism ...


Similar available on Amazon but with 0 or 1 star negative reviews

--
mailto : news {at} admac {dot} myzen {dot} co {dot} uk

On 27/08/2019 17:53, Mr Pounder Esquire wrote:
Jim GM4DHJ ... wrote:
https://whiterup.com/products/perfec...rjmVX9-8QRmdC8

Could be interesting. But I can't find any reviews.



Try listings on Amazon for similar products to find that they all seem
to be crap.

--
mailto : news {at} admac {dot} myzen {dot} co {dot} uk

On 27/08/2019 17:07, Jim GM4DHJ ... wrote:
https://whiterup.com/products/perfec...rjmVX9-8QRmdC8

"THE LAST GLASSES YOU'LL NEED!"

"Buy 2 & Get 3rd One 50% Off!"

--
Max Demian

On 28/08/2019 01:09, Rod Speed wrote:
Bert Coules wrote
They do look intriguing.Â* I use and like varifocals but there are
times (and in differing circumstances) where they're not ideal and a
single prescription pair would be better.Â* These might fit that bill.

Yeah, just ordered some.
I normally wear what works best for the computer screen and
now find it hard to read the shelf labels in the supermarket etc.
Be handy to be able to change the prescription on the fly for that.

Tell us how you get on. Could be fiddly to adjust "on the fly".

--
Max Demian

On Wed, 28 Aug 2019 14:05:11 +1000, cantankerous trolling geezer Rodent
Speed, the auto-contradicting senile sociopath, blabbered, again:

I have varifocals plus a proper set of single prescription lenses set up
for computer use. I add to these clip-ons at +1.5 and +3 diopter for
reading small text and for close-up work.

eg eBay item 172952541377

Doesn¢t work.

Obviously it does, senile auto-contradicting idiot!

--
Archibald Tarquin Blenkinsopp addressing Rot Speed:
"You really are a clueless pillock."
MID:

On Wed, 28 Aug 2019 10:09:52 +1000, cantankerous trolling geezer Rodent
Speed, the auto-contradicting senile sociopath, blabbered, again:


Yeah, just ordered some.

I normally wear what

Nobody gives a ****, lonely senile Ozzie pest! And that's how it was
supposed to be! LOL

--
Website (from 2007) dedicated to the 85-year-old trolling senile
cretin from Oz:
https://www.pcreview.co.uk/threads/r...d-faq.2973853/

"R D S" wrote in message
...
On 27/08/2019 20:25, tim... wrote:

not an option for people with short sight

"fully adjustable (-6D to + 3D)"

I was referring to the "pick them up at the pound store" option

you can only do that for long-sight correction

(and they cost a pound in many shops)

tim

"Rod Speed" wrote in message
...


"newshound" wrote in message
o.uk...
On 27/08/2019 17:22, Bert Coules wrote:
They do look intriguing. I use and like varifocals but there are times
(and in differing circumstances) where they're not ideal and a single
prescription pair would be better. These might fit that bill.

I have varifocals plus a proper set of single prescription lenses set up
for computer use. I add to these clip-ons at +1.5 and +3 diopter for
reading small text and for close-up work.

eg eBay item 172952541377

Doesnt work.

what doesn't work?

"dennis@home" wrote in message
...
On 27/08/2019 17:22, Bert Coules wrote:
They do look intriguing. I use and like varifocals but there are times
(and in differing circumstances) where they're not ideal and a single
prescription pair would be better. These might fit that bill.

IIRC they showed something similar on tomorrows world a long time ago.

my SLR camera from about 1980-something had an adjustable lens on the
viewfinder,

so the technology has been in commercial use for ages

tim

"Max Demian" wrote in message
o.uk...
On 28/08/2019 01:09, Rod Speed wrote:
Bert Coules wrote
They do look intriguing. I use and like varifocals but there are times
(and in differing circumstances) where they're not ideal and a single
prescription pair would be better. These might fit that bill.

Yeah, just ordered some.
I normally wear what works best for the computer screen and
now find it hard to read the shelf labels in the supermarket etc.
Be handy to be able to change the prescription on the fly for that.

Tell us how you get on.

Sure.

Could be fiddly to adjust "on the fly".

Yep, going to be interesting to see.

Even if they are, they will be useful to get new prescription lenses.

I have been using the cheap chinese ones for years now and have been
guessing the prescription change for a while now. Works fine with one
eye but not with the other. Simplest way to do my diy eye test.

But I didnt notice the 6D limit, so maybe not.

On 28/08/2019 08:41, wrote:
On Wednesday, 28 August 2019 07:10:25 UTC+1, Jim GM4DHJ ... wrote:
and who wants to look like Joe 90

Some people must

https://www.glassesdirect.co.uk/glas...4&aspect=front

Owain


that is not the special glasses....

On 28/08/2019 11:08, tim... wrote:


"dennis@home" wrote in message
...
On 27/08/2019 17:22, Bert Coules wrote:
They do look intriguing.Â* I use and like varifocals but there are
times (and in differing circumstances) where they're not ideal and a
single prescription pair would be better.Â* These might fit that bill.

IIRC they showed something similar on tomorrows world a long time ago.

my SLR camera from about 1980-something had an adjustable lens on the
viewfinder,

so the technology has been in commercial use for ages

tim




they all had but its not the same.
even more cameras have correction now.