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  1. Replies
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    29,139

    Does anyone try the TOKAI 1.76 AS lenses ?

    Does anyone try the TOKAI 1.76 AS lenses ?
  2. Thread: HOYA Trinity

    by fistkuen
    Replies
    3
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    9,968

    HOYA Trinity

    Does anyone tell me the lens performance between HOYA ID and TRINITY?
  3. Replies
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    7,604

    Exact reading power

    hi, everyone, how do i know exactly the reading power of PAL with a lensmeter because different lens designs lead to different additional power shown? THX
  4. Replies
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    2,763

    Distance Learning

    Hi,
    Does anyone know about distance learning in Master of science in Optometry? Where can I access the information of that?
    Thank you :)
  5. Replies
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    9,308

    HI, Thank you for your comment, Chris. I...

    HI,

    Thank you for your comment, Chris. I understand that the manufacturing processes are mainly in the mainland, but i was talking about that those designed from big firms are better, just like...
  6. Replies
    2
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    5,599

    Transition PAL

    Hi all,

    There are so many transition PAL in the market, which you suggest is the best one in terms of the design and the changing performance ? Is there 1.74 Pal with transitional function now?
    ...
  7. Replies
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    9,308

    Hi, Up to my knowledgem those PAL designed and...

    Hi,
    Up to my knowledgem those PAL designed and made in China are so much worse than any other brand we know now. Even the Visa or Adaptor play better performance than those from China.
  8. Replies
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    39,903

    Edging problem

    Hi,

    I do edging everyday and sometimes it comes across with some sort of spoke-like scratches at the hard coat layer. The lens manufacturer said it was due to the heat transmitted to the center...
  9. Replies
    20
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    9,308

    Hi, Could you please tell me where can i get the...

    Hi,
    Could you please tell me where can i get the 2007 OLA PAL Identifier?

    Many thanks
  10. Replies
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    28,708

    Model name of seiko pal

    Anyone please let me know. I am confused with the models.

    Seiko Supercede = P-1EM ??
    Seiko Succeed = P-1SY ??
    Seiko Proceed = P-1G or P-1W ??

    Many thanks
  11. Replies
    2
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    3,192

    Queries about verification

    Hi everyone,

    I came across a pair of PAL that the prism reference point showed no vertical prism difference between the right and left lenses. But there showed nearly 2 vertical prism difference...
  12. Replies
    7
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    10,119

    Queries

    :hammer: Hi everyone,

    I came across a pair of PAL that the prism reference point showed no vertical prism difference between the right and left lenses. But there showed nearly 2 vertical prism...
  13. Replies
    5
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    5,308

    Paitents with Narrow P.D.

    :hammer: I got a client who has a p.d. of 56mm, with mild myopia and early presbyopia. She has tried the Seiko P-1SY but failed to adapt the narrow field of view on reading. Can the latest individual...
  14. Thread: Seiko PAL

    by fistkuen
    Replies
    2
    Views
    5,969

    Seiko PAL

    Does anyone heard of Seiko P-1EM PAL? I head that it is the upgraded verion of P-1SY. What's the field of view of both distance and near portions compared between these two designs? Thank you.
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