This standard specifies the basic requirements for various trial lenses used to test the refractive defects of the human eye. This standard applies to all kinds of full-aperture and reduced-aperture trial lenses.
GB 17342-2009 Referenced Document
GB/T 10050 Optics and optical insturments.Reference wavelengths*, 2009-09-30 Update
GB/T 2828.1 Inspection procedure by count sampling part 1: Lot by lot inspection sampling plan retrieved by acceptance quality limit (AQL)*, 2013-02-15 Update