We, the optician’s are always having troubles to explain to
customers about different types of lens indexes. There are some displays which can
show to the patient about various thickness according to different index
selection. Most of the time it will work fine. But as you know, thickness will
vary according to the diameter too. And most of us need to have a diameter
chart in hand to check the diameter.
Here, I am giving you a small excel file which will help you
to fine out the minimum required diameter...
This excel sheet has three sections, and the third section
will help you to find the diameter with simple steps
The first section will help you to find the thickness of a
lens according to its index and diameter.
And the second section will help you to have an idea to
compare the thickness difference between CR-39 and other index (it will show in
percentage)
click the above link and got to the menu file>download
Let me have your feedback and suggestions…
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ReplyDeleteThis is actually helps me quite a bit. I never really understood much about lens indexes before. I'll have to ask an ophthalmologist to learn more about my specific glasses, but this helps a bit.
ReplyDelete-Seamus | http://www.brucemoskowitzmd.com
I think that many of us are unfamiliar with lens indexes. I think that most people may feel uncomfortable if their glasses are too thick. Looking like Steve Urkel is currently fashionable among hipsters; however, in the near future it may not be nearly as acceptable. I am just glad that opticians can provide the tools to see the world clearly.
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I didn't know opticians were so vital to picking lenses. It's cool that glasses are so sophisticated. I have a friend who has worn glasses his entire life. I wonder if he has a pretty close relationship with his optician. http://www.gagnonopticians.com/about
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ReplyDeleteThank you so much for sharing this article .I think It is very useful for all users .
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Spectacles are eyeglasses. People wear spectacles because their vision is flawed. Spectacles is an old-fashioned word,
ReplyDeletebut it means something you probably see and maybe even use — every day
Great writing! Thank you for sharing.
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