Search:

Hi All- i wanted to say thanks for your help. I passed the exam with a 93. I'm running a high school program teaching students to make glasses, so it really helps me help my students (both in the...

Yes. When i neutralize the lens at the near verification circle the powers are often off from what is stamped. For instance, I just worked with a lens stamped 27, but I read it at +2.50. I understand...

Thank you for the clarification! Can you give me any reason why manufacturers would do that? And how should I know if they are doing that

[QUOTE=Uncle Fester;457118]Sorry but I'm calling it like I see it.

If you don't know why or when you should take powers from the convex side of a lens. [\QUOTE]

Im sorry for the...

Thanks for the replies. Here is my thing - I was told that I should turn the lens around, find the distance power and then the add power and find the difference between the cyl powers. I've always...

I realize this has probably been done many times on this board, but I just joined and cant find it easily. I was trained as an optician 20+ years ago in the Navy. We didn't have PAL's then, so I...