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  1. Thread: Axis query.

    by finefocus
    Replies
    23
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    1,161

    A sphere equivalent is a sphere equivalent,...

    A sphere equivalent is a sphere equivalent, whether in +cyl or -cyl. What's the difference?
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    440,278

    critical

    critical
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    apt

    apt
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    copper

    copper
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    717

    Actually, it's the layer of nasty bugs that...

    Actually, it's the layer of nasty bugs that blocks the equally nasty blue light. Only nastiness can combat nastiness.
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    48,937

    Important: Hi Lori Nice to hear from you again - looking...

    Hi Lori

    Nice to hear from you again - looking forward to Coachella. We're having trouble getting people for the Chico clinic, partly because of Butte County's
    reputation for denial. You can't...
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    48,937

    Important: You bet! Come to California! We are happy to have...

    You bet! Come to California! We are happy to have you, believe me.

    Fred
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    48,937

    Important: We are kinda desperate for help for the Chico...

    We are kinda desperate for help for the Chico clinic - OD's, opticians, general volunteers, lab personnel - we need you all. This clinic is in Butte county, an area with a low vax rate, and some of...
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    4,106

    Like with most things, there is a question of...

    Like with most things, there is a question of degree. If I jump into the air, the earth pushes down as I go up, and when I land the earth comes up to meet me in proportion to our respective masses....
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    Aleut

    Aleut
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    938

    Remember that you are in effect producing a...

    Remember that you are in effect producing a mini-lenticular, which will help the looks when viewed from the side, but harm the looks when viewed face on by introducing an obvious ring effect. Ask...
  12. Thread: New 1 On Me

    by finefocus
    Replies
    32
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    2,496

    Luckily I was able to interpret this feeling...

    Luckily I was able to interpret this feeling correctly; loss of essence!
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    993

    Nylon lenses?

    An on-line ad for SunGod sunglasses ( a start-up that makes shades that they say will last forever) promises lenses made of nylon. I assume some reporter got it wrong, they meant nylon frames --- but...
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    This game ran for almost 3000 posts - anyone care...

    This game ran for almost 3000 posts - anyone care to restart it?
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    6,230

    Sheep Koolaid You were right, it's pretty hard...

    Sheep
    Koolaid
    You were right, it's pretty hard to keep politics out of this.
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    45
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    6,230

    But probably not the droplets

    But probably not the droplets
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    I haven't heard the "99.8%" figure before; I...

    I haven't heard the "99.8%" figure before; I assume it is meant to be taken as obviously overstated for effect. 600K dead seem to belie that number. I take it as a good thing that the professionals...
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    All true, but it's what we've got; actually, it's...

    All true, but it's what we've got; actually, it's all we've got
  19. Actually, you would add it; it's just that you're...

    Actually, you would add it; it's just that you're adding a negative to a positive. Subtracting a negative is the same as adding a positive. That's why add/subtract can confuse people.
  20. Subtract from +1.75 --- BUT --- don't say add or...

    Subtract from +1.75 --- BUT --- don't say add or subtract, say combine. Combine two plus numbers, get a bigger number. Combine two minus numbers, get a bigger number (it's minus, but still bigger)....
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    48,937

    Important: Hi Lori Good to hear from you. Coachella has...

    Hi Lori

    Good to hear from you. Coachella has been pushed back a few times (Covid precautions) and is now scheduled for March 2022.
    I'm glad you will be there.

    Fred
  22. Replies
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    48,937

    Important: BUMP ALERT We are finally able to schedule...

    BUMP ALERT

    We are finally able to schedule another clinic, and invite all of you to join us. The clinic will be in Chico California, and will be on November 12-14. It isn't posted on the website...
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    Your intent would, of course, be to help your...

    Your intent would, of course, be to help your patients, and maybe help yourself a little by catching little issues before they become bigger issues. But there are some patients who will think they...
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    I'm not clear if you have a high base curve (+8...

    I'm not clear if you have a high base curve (+8 0r +9) in addition to dihedral angle - maybe you don't need to wrap as much if using a high bc.
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    We have all had customers ask " what is my size?"...

    We have all had customers ask " what is my size?" as though they were buying a shirt or a dress, where there is one right answer. There is no one "right" size for anyone. I wear both a 42 eye P3 and...
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