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    Mable Hillery and Friends - Bye Bye Baby, Goodbye...

    Mable Hillery and Friends - Bye Bye Baby, Goodbye 1966


    https://www.youtube.com/watch?v=HFyqfYBaGqo
  2. The revolution was over decades ago. Evolution is...

    The revolution was over decades ago. Evolution is nearing its end. Marketing is forever.

    Robert
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    Yup, hard times. Ah, a reach-around. ...

    Yup, hard times.

    Ah, a reach-around.

    Insufficient data. If true, toss in a complimentary case of Miller High Life and call it a day.
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    Nice post. I wouldn't be too hard on the...

    Nice post.

    I wouldn't be too hard on the patient, they just followed their surgeon's recommendation, which was not as risky as MF IOLs, but riskier than non-monovision IOLs. And the risk is all...
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    How much mono? One major concern is vertical...

    How much mono? One major concern is vertical prism imbalance at near, approaching or exceeding their fusional reserves. SVNO is usually best here, especially if historically they wore their...
  6. It appears the formulas only apply to flat image...

    It appears the formulas only apply to flat image planes, such as telescope and camera lenses. However, the image plane of the eye is curved, because the eye rotates behind the spectacle lens,...
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    Patsy Cline - Walkin' After Midnight 1957 ...

    Patsy Cline - Walkin' After Midnight 1957


    https://www.youtube.com/watch?v=6-wqjfJb5ic

    Both guitar players were heavy hitters.

    https://en.wikipedia.org/wiki/Hank_Garland ...
  8. I got a fever...and the only prescription is more...

    I got a fever...and the only prescription is more chickens, baby! -Bruce Dickinson
  9. Stars and Stripes Forever (The American version)

    https://www.youtube.com/watch?v=eXeIxtI--uc
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    Desmond Dekker - Israelites 1970 ...

    Desmond Dekker - Israelites 1970


    https://www.youtube.com/watch?v=j93X9A2etn4
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    From the horse's mouth. ...

    From the horse's mouth.

    http://newsroom.vspglobal.com/vsp-global/news-releases/vsp-global-enters-into-definitive-agreement-to-acquire-visionworks
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    The new frame has more B, but the new pupil...

    The new frame has more B, but the new pupil height is lower (2mm AC). This usually signifies a frame that is sitting to high, and consequently too far out from the cornea (vertex distance), with...
  13. Each image might be 10% clearer, but there would...

    Each image might be 10% clearer, but there would still be two images. In some cases, old school semi-finshed PALs work even better, so don't throw away your old vinyl and CDs quite yet.



    Using...
  14. Yes, and that induced VI in the primary gaze is...

    Yes, and that induced VI in the primary gaze is often overlooked, resulting in asthenopia. For example, my older eyes can barely fuse 1 D of VI, 2 D is diplopia. Splitting the VI between near and far...
  15. Hi Jaketull, Verify the unequal adds. Check...

    Hi Jaketull,

    Verify the unequal adds. Check the acuity and/or discuss with the prescriber.

    If the Old Rx has a similar power disparity at ninety, mask the distance zone of the old eyeglasses...
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    Dr Hook & The Medicine Show - Carry Me, Carrie...

    Dr Hook & The Medicine Show - Carry Me, Carrie 1972


    https://www.youtube.com/watch?v=s7Z50V7tadg

    The authorities say that today's cannabis is much stronger than in years past. Don't believe it...
  17. Axis of polarization If there is a marking on...

    Axis of polarization

    If there is a marking on the spectacle lens indication the intended direction of horizontal orientation of polarization, then the actual plan [sic] of transmittance shall be...
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    Sam and Dave - I Take What I Want 1966 ...

    Sam and Dave - I Take What I Want 1966


    https://www.youtube.com/watch?v=sdu9_dMFMwE
  19. Yes, Rodenstock made two versions. Pictured, with...

    Yes, Rodenstock made two versions. Pictured, with instructions, on page 6 and 7 of the David Wilson link above. Prof. Wilson used to post on Optiboard.

    Harry, I hope your having fun and getting...
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    Bob Wills and The Texas Playboys - Take Me Back...

    Bob Wills and The Texas Playboys - Take Me Back To Tulsa 1960


    https://www.youtube.com/watch?v=U-4IAEjIP3k
  21. “In response to poor fitting in the form of tilt...

    “In response to poor fitting in the form of tilt or decentration, lenses with aspheric form surfaces were found to have greater off-axis power errors than best-form lenses with spherical surfaces.” ...
  22. Your welcome. I checked my blue bible...

    Your welcome. I checked my blue bible but the only reference to drop is for segment drop related to segmented multifocals. Surprising because that info is needed for a proper troubleshoot.

    Best...
  23. With segmented bifocals, the drop is the distance...

    With segmented bifocals, the drop is the distance from the 180 line to the top of the seg. I don't know the history of its use with PALs, but it is equal to the distance from the FC to the PRP/180...
  24. Definitely 100% in my area. The last time I saw a...

    Definitely 100% in my area. The last time I saw a vertex distance noted on an Rx (last week I dispensed a -17 PAL and a +14 SuperMod on the same day) was from a local MD about 10 years ago, and that...
  25. Where the change starts, the rate of change, and...

    Where the change starts, the rate of change, and corridor length are all independent of the drop. There are short corridor 4mm drops, and long corridors with 2mm drops.

    Wear the lens (yourself...
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