Guide for Lens material

With a Large number of index, it is thinner and lighter,

You need to know what power will have your lenses.

so you can take the most suitable material such as tickness,

weight and price.

What is your prescription?

We recommended power range 

1.50 Index       +/- 1.50 or Less

1.56 Index       +/- 1.75 ~ +/- 3.00

1.60 Index       +/- 3.25 ~ +/- 5.75

1.67 Index       +/- 6.00 ~ +/- 8.75 

1.74 Index       +/- 9.00 or More