TZS 1548-1: 2012 Ophthalmic optics – Semi-finished spectacle lens blanks – Part 1: Specifications for single-vision and multifocal lens blanks

This measure specifies requirements for the optical and geometrical properties of semi-finished
single-vision and multifocal spectacle lens blanks.

Source of regulation

Tanzania Bureau of Standards (TBS) 

Publication of regulation

TZS 1548-1: 2012 

Date of implementation

06 July 2012 

Direct link to regulation

http://www.tbs.go.tz/standards/index.php/tbs/tzs_1548_part_1_2012 

Regulation file