Properly fabricated (shape, size, thickness, etc.), low chemical environment, no high heat, proper cleaning/very good care...four to five years on average for the best coatings.
Absolutely. Like...
Type: Posts; User: Robert Martellaro; Keyword(s):
Properly fabricated (shape, size, thickness, etc.), low chemical environment, no high heat, proper cleaning/very good care...four to five years on average for the best coatings.
Absolutely. Like...
Like them both. Dig this.
https://www.optiboard.com/forums/showthread.php/40333-Old-Tunes-on-Youtube?p=461363&viewfull=1#post461363
May be of interest:
...
Persol PO2803
https://glassesradar.com/frank-sheeran-robert-de-niro-glasses-the-irishman
Bit of an odd product placement considering that De Niro's character was a sociopath.
...
Some of these articles are quite technical.
https://app.mafo-optics.com/en/profiles/ac6fdce54d5e/editions
Hope this helps,
Robert Martellaro
Crosby, Stills & Nash - Teach Your Children 1977-82?
https://www.youtube.com/watch?v=2vnYKRacKQc
https://www.azlyrics.com/lyrics/crosbystillsnashyoung/teachyourchildren.html
This may help.
https://www.2020mag.com/ce/design-a-better-visual-experience
From the above,
implying that only low levels, probably no more than 1.50∆ of localized prism can be...
A 24 hour turnaround from seeing wonderfully, to blur and double vision makes me think of three possibilities:
1) The eyeglasses have become mispositioned due to some mishap.
2) An acute...
Dan Hicks and His Hot Licks - Where's the Money 1989
https://www.youtube.com/watch?v=4UBPUEXQj9c
https://www.youtube.com/watch?v=HUgwDLNTix0
Welcome to OB.
Mispositioning will result in oblique astigmatism and power error off-axis, similar to using an incorrect base curve, with the error dependent on the degree of mispositioning, lens...
I wasted double that!
Paul Simon - American Tune 1975
https://www.youtube.com/watch?v=AE3kKUEY5WU
Joe Cocker - Let's Go Get Stoned 1969
https://www.youtube.com/watch?v=BPKyB3T2IwM
Your welcome.
This may be of interest:
https://www.odob.health.nz/wp-content/uploads/2018/10/BVD-Article-Prof-D-Wilson.pdf
Best regards,
Robert Martellaro
Paul Butterfield Blues Band - Driftin' Blues 1967
https://www.youtube.com/watch?v=P5czZzRAxBs
The reference points are the corneal plane, the doctor's (refracted) vertex distance, and the wearer's vertex distance.
Remember CAP = Closer Add Plus.
In the example provided, the fitted lens...
That heat shield sounds like nifty device.
I use painters tape (also used for occlusion and matching fitting heights) with a spot hot air blower.
WRT the lens shape effecting the let-back or...
Howard Tate - "Louisiana 1927" 2008
https://www.youtube.com/watch?v=C1-kfI5FMq0
https://www.youtube.com/watch?v=EjwKrGtDlic
Steve Goodman - Its A Sin To Tell A Lie 1976
Sell your phone, buy a guitar.
https://www.youtube.com/watch?v=RPDxye1AEfc
Juno,
Nothing since Essilor's 20th century Overview.
Someone might have software for a double blended that can be generated on a free-form machine, but watch for an excessively wide blend zone...
https://www.leica-eyecare.com/en/variovid-volterra-silmo-dor-2019/
Try a patent search.
The state of art for unwanted astigmatism is about 1.50 DC per 2.00 D of add power. That may be the...
Jeff Beck Group - Going Down 1972
https://www.youtube.com/watch?v=s5ID15mv0gA
Wear at your own risk.
“Trout did another thing which some people might have considered eccentric: he called mirrors leaks. It amused him to pretend that mirrors were holes between two universes....
Welcome to OB.
These are mostly archaic designs, but it shows us methodology and what to look for in PAL performance.
...
Rory Gallagher - Laundromat 1971
https://www.youtube.com/watch?v=qp8iB9rraYE
Cool. Southern Wisconsin is loaded with medical/research MDs and PHDs with the Medical College in Wauwatosa, and UW Hospitals in Madison.
1) The Comfort2/New Comfort isn't available in Trivex. ...