AS ISO 10322.1:2017 pdf free.Ophthalmic optics - Semi-finished spectacle lens blanks, Part 1: Specifications for single-vision and multifocal lens blanks. Compared with previous editions, this part of ISO 10322 now applies to all types of semi-finished singlevision and multifocal lens blanks. This part of Iso 10322 specifies requirements for the optical and geometrical properties of all semifinished single-vision and multifocal...