Does anyone try the TOKAI 1.76 AS lenses ?
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Does anyone try the TOKAI 1.76 AS lenses ?
Does anyone tell me the lens performance between HOYA ID and TRINITY?
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
Hi,
Does anyone know about distance learning in Master of science in Optometry? Where can I access the information of that?
Thank you :)
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...
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?
...
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.
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...
Hi,
Could you please tell me where can i get the 2007 OLA PAL Identifier?
Many thanks
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
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...
: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...
: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...
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.