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1.56 Refractive Index Bifocal Blanks by Mahendra Lakshman is a document available to read on EtoBox.

What is 1.56 Refractive Index Bifocal Blanks about?

The document provides specifications for three types of 1.56 sf bifocal blanks: flat-top, blend, and round, all sharing the same material refractive index of 1.56 and tooling index of 1.530. Each specification includes details on nominal curve, front radius, back radius, and T.C values for various models. The data is presented in a tabular format for easy comparison across the different types of bifocal blanks.

Author

Mahendra Lakshman

Language

EN